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Fix code transpilation with openpgpjs (#9)

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CrazyMax 2020-05-05 20:58:39 +02:00
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.gitignore vendored
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/.dev
node_modules/
lib
/lib
/node_modules/*
!/node_modules/asn1.js/
!/node_modules/bn.js/
!/node_modules/minimalistic-assert.js/
# Jetbrains
/.idea

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node_modules/asn1.js/.eslintrc.js generated vendored Normal file
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module.exports = {
'env': {
'browser': false,
'commonjs': true,
'es6': true,
'node': true
},
'extends': 'eslint:recommended',
'rules': {
'indent': [
'error',
2
],
'linebreak-style': [
'error',
'unix'
],
'quotes': [
'error',
'single'
],
'semi': [
'error',
'always'
]
}
};

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MIT License
Copyright (c) 2017 Fedor Indutny
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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# ASN1.js
ASN.1 DER Encoder/Decoder and DSL.
## Example
Define model:
```javascript
var asn = require('asn1.js');
var Human = asn.define('Human', function() {
this.seq().obj(
this.key('firstName').octstr(),
this.key('lastName').octstr(),
this.key('age').int(),
this.key('gender').enum({ 0: 'male', 1: 'female' }),
this.key('bio').seqof(Bio)
);
});
var Bio = asn.define('Bio', function() {
this.seq().obj(
this.key('time').gentime(),
this.key('description').octstr()
);
});
```
Encode data:
```javascript
var output = Human.encode({
firstName: 'Thomas',
lastName: 'Anderson',
age: 28,
gender: 'male',
bio: [
{
time: +new Date('31 March 1999'),
description: 'freedom of mind'
}
]
}, 'der');
```
Decode data:
```javascript
var human = Human.decode(output, 'der');
console.log(human);
/*
{ firstName: <Buffer 54 68 6f 6d 61 73>,
lastName: <Buffer 41 6e 64 65 72 73 6f 6e>,
age: 28,
gender: 'male',
bio:
[ { time: 922820400000,
description: <Buffer 66 72 65 65 64 6f 6d 20 6f 66 20 6d 69 6e 64> } ] }
*/
```
### Partial decode
Its possible to parse data without stopping on first error. In order to do it,
you should call:
```javascript
var human = Human.decode(output, 'der', { partial: true });
console.log(human);
/*
{ result: { ... },
errors: [ ... ] }
*/
```
#### LICENSE
This software is licensed under the MIT License.
Copyright Fedor Indutny, 2017.
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to permit
persons to whom the Software is furnished to do so, subject to the
following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
USE OR OTHER DEALINGS IN THE SOFTWARE.

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node_modules/asn1.js/lib/asn1.js generated vendored Normal file
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'use strict';
const asn1 = exports;
asn1.bignum = require('bn.js');
asn1.define = require('./asn1/api').define;
asn1.base = require('./asn1/base');
asn1.constants = require('./asn1/constants');
asn1.decoders = require('./asn1/decoders');
asn1.encoders = require('./asn1/encoders');

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node_modules/asn1.js/lib/asn1/api.js generated vendored Normal file
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'use strict';
const encoders = require('./encoders');
const decoders = require('./decoders');
const inherits = require('inherits');
const api = exports;
api.define = function define(name, body) {
return new Entity(name, body);
};
function Entity(name, body) {
this.name = name;
this.body = body;
this.decoders = {};
this.encoders = {};
}
Entity.prototype._createNamed = function createNamed(Base) {
const name = this.name;
function Generated(entity) {
this._initNamed(entity, name);
}
inherits(Generated, Base);
Generated.prototype._initNamed = function _initNamed(entity, name) {
Base.call(this, entity, name);
};
return new Generated(this);
};
Entity.prototype._getDecoder = function _getDecoder(enc) {
enc = enc || 'der';
// Lazily create decoder
if (!this.decoders.hasOwnProperty(enc))
this.decoders[enc] = this._createNamed(decoders[enc]);
return this.decoders[enc];
};
Entity.prototype.decode = function decode(data, enc, options) {
return this._getDecoder(enc).decode(data, options);
};
Entity.prototype._getEncoder = function _getEncoder(enc) {
enc = enc || 'der';
// Lazily create encoder
if (!this.encoders.hasOwnProperty(enc))
this.encoders[enc] = this._createNamed(encoders[enc]);
return this.encoders[enc];
};
Entity.prototype.encode = function encode(data, enc, /* internal */ reporter) {
return this._getEncoder(enc).encode(data, reporter);
};

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'use strict';
const inherits = require('inherits');
const Reporter = require('../base/reporter').Reporter;
const Buffer = require('safer-buffer').Buffer;
function DecoderBuffer(base, options) {
Reporter.call(this, options);
if (!Buffer.isBuffer(base)) {
this.error('Input not Buffer');
return;
}
this.base = base;
this.offset = 0;
this.length = base.length;
}
inherits(DecoderBuffer, Reporter);
exports.DecoderBuffer = DecoderBuffer;
DecoderBuffer.isDecoderBuffer = function isDecoderBuffer(data) {
if (data instanceof DecoderBuffer) {
return true;
}
// Or accept compatible API
const isCompatible = typeof data === 'object' &&
Buffer.isBuffer(data.base) &&
data.constructor.name === 'DecoderBuffer' &&
typeof data.offset === 'number' &&
typeof data.length === 'number' &&
typeof data.save === 'function' &&
typeof data.restore === 'function' &&
typeof data.isEmpty === 'function' &&
typeof data.readUInt8 === 'function' &&
typeof data.skip === 'function' &&
typeof data.raw === 'function';
return isCompatible;
};
DecoderBuffer.prototype.save = function save() {
return { offset: this.offset, reporter: Reporter.prototype.save.call(this) };
};
DecoderBuffer.prototype.restore = function restore(save) {
// Return skipped data
const res = new DecoderBuffer(this.base);
res.offset = save.offset;
res.length = this.offset;
this.offset = save.offset;
Reporter.prototype.restore.call(this, save.reporter);
return res;
};
DecoderBuffer.prototype.isEmpty = function isEmpty() {
return this.offset === this.length;
};
DecoderBuffer.prototype.readUInt8 = function readUInt8(fail) {
if (this.offset + 1 <= this.length)
return this.base.readUInt8(this.offset++, true);
else
return this.error(fail || 'DecoderBuffer overrun');
};
DecoderBuffer.prototype.skip = function skip(bytes, fail) {
if (!(this.offset + bytes <= this.length))
return this.error(fail || 'DecoderBuffer overrun');
const res = new DecoderBuffer(this.base);
// Share reporter state
res._reporterState = this._reporterState;
res.offset = this.offset;
res.length = this.offset + bytes;
this.offset += bytes;
return res;
};
DecoderBuffer.prototype.raw = function raw(save) {
return this.base.slice(save ? save.offset : this.offset, this.length);
};
function EncoderBuffer(value, reporter) {
if (Array.isArray(value)) {
this.length = 0;
this.value = value.map(function(item) {
if (!EncoderBuffer.isEncoderBuffer(item))
item = new EncoderBuffer(item, reporter);
this.length += item.length;
return item;
}, this);
} else if (typeof value === 'number') {
if (!(0 <= value && value <= 0xff))
return reporter.error('non-byte EncoderBuffer value');
this.value = value;
this.length = 1;
} else if (typeof value === 'string') {
this.value = value;
this.length = Buffer.byteLength(value);
} else if (Buffer.isBuffer(value)) {
this.value = value;
this.length = value.length;
} else {
return reporter.error('Unsupported type: ' + typeof value);
}
}
exports.EncoderBuffer = EncoderBuffer;
EncoderBuffer.isEncoderBuffer = function isEncoderBuffer(data) {
if (data instanceof EncoderBuffer) {
return true;
}
// Or accept compatible API
const isCompatible = typeof data === 'object' &&
data.constructor.name === 'EncoderBuffer' &&
typeof data.length === 'number' &&
typeof data.join === 'function';
return isCompatible;
};
EncoderBuffer.prototype.join = function join(out, offset) {
if (!out)
out = Buffer.alloc(this.length);
if (!offset)
offset = 0;
if (this.length === 0)
return out;
if (Array.isArray(this.value)) {
this.value.forEach(function(item) {
item.join(out, offset);
offset += item.length;
});
} else {
if (typeof this.value === 'number')
out[offset] = this.value;
else if (typeof this.value === 'string')
out.write(this.value, offset);
else if (Buffer.isBuffer(this.value))
this.value.copy(out, offset);
offset += this.length;
}
return out;
};

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'use strict';
const base = exports;
base.Reporter = require('./reporter').Reporter;
base.DecoderBuffer = require('./buffer').DecoderBuffer;
base.EncoderBuffer = require('./buffer').EncoderBuffer;
base.Node = require('./node');

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'use strict';
const Reporter = require('../base/reporter').Reporter;
const EncoderBuffer = require('../base/buffer').EncoderBuffer;
const DecoderBuffer = require('../base/buffer').DecoderBuffer;
const assert = require('minimalistic-assert');
// Supported tags
const tags = [
'seq', 'seqof', 'set', 'setof', 'objid', 'bool',
'gentime', 'utctime', 'null_', 'enum', 'int', 'objDesc',
'bitstr', 'bmpstr', 'charstr', 'genstr', 'graphstr', 'ia5str', 'iso646str',
'numstr', 'octstr', 'printstr', 't61str', 'unistr', 'utf8str', 'videostr'
];
// Public methods list
const methods = [
'key', 'obj', 'use', 'optional', 'explicit', 'implicit', 'def', 'choice',
'any', 'contains'
].concat(tags);
// Overrided methods list
const overrided = [
'_peekTag', '_decodeTag', '_use',
'_decodeStr', '_decodeObjid', '_decodeTime',
'_decodeNull', '_decodeInt', '_decodeBool', '_decodeList',
'_encodeComposite', '_encodeStr', '_encodeObjid', '_encodeTime',
'_encodeNull', '_encodeInt', '_encodeBool'
];
function Node(enc, parent, name) {
const state = {};
this._baseState = state;
state.name = name;
state.enc = enc;
state.parent = parent || null;
state.children = null;
// State
state.tag = null;
state.args = null;
state.reverseArgs = null;
state.choice = null;
state.optional = false;
state.any = false;
state.obj = false;
state.use = null;
state.useDecoder = null;
state.key = null;
state['default'] = null;
state.explicit = null;
state.implicit = null;
state.contains = null;
// Should create new instance on each method
if (!state.parent) {
state.children = [];
this._wrap();
}
}
module.exports = Node;
const stateProps = [
'enc', 'parent', 'children', 'tag', 'args', 'reverseArgs', 'choice',
'optional', 'any', 'obj', 'use', 'alteredUse', 'key', 'default', 'explicit',
'implicit', 'contains'
];
Node.prototype.clone = function clone() {
const state = this._baseState;
const cstate = {};
stateProps.forEach(function(prop) {
cstate[prop] = state[prop];
});
const res = new this.constructor(cstate.parent);
res._baseState = cstate;
return res;
};
Node.prototype._wrap = function wrap() {
const state = this._baseState;
methods.forEach(function(method) {
this[method] = function _wrappedMethod() {
const clone = new this.constructor(this);
state.children.push(clone);
return clone[method].apply(clone, arguments);
};
}, this);
};
Node.prototype._init = function init(body) {
const state = this._baseState;
assert(state.parent === null);
body.call(this);
// Filter children
state.children = state.children.filter(function(child) {
return child._baseState.parent === this;
}, this);
assert.equal(state.children.length, 1, 'Root node can have only one child');
};
Node.prototype._useArgs = function useArgs(args) {
const state = this._baseState;
// Filter children and args
const children = args.filter(function(arg) {
return arg instanceof this.constructor;
}, this);
args = args.filter(function(arg) {
return !(arg instanceof this.constructor);
}, this);
if (children.length !== 0) {
assert(state.children === null);
state.children = children;
// Replace parent to maintain backward link
children.forEach(function(child) {
child._baseState.parent = this;
}, this);
}
if (args.length !== 0) {
assert(state.args === null);
state.args = args;
state.reverseArgs = args.map(function(arg) {
if (typeof arg !== 'object' || arg.constructor !== Object)
return arg;
const res = {};
Object.keys(arg).forEach(function(key) {
if (key == (key | 0))
key |= 0;
const value = arg[key];
res[value] = key;
});
return res;
});
}
};
//
// Overrided methods
//
overrided.forEach(function(method) {
Node.prototype[method] = function _overrided() {
const state = this._baseState;
throw new Error(method + ' not implemented for encoding: ' + state.enc);
};
});
//
// Public methods
//
tags.forEach(function(tag) {
Node.prototype[tag] = function _tagMethod() {
const state = this._baseState;
const args = Array.prototype.slice.call(arguments);
assert(state.tag === null);
state.tag = tag;
this._useArgs(args);
return this;
};
});
Node.prototype.use = function use(item) {
assert(item);
const state = this._baseState;
assert(state.use === null);
state.use = item;
return this;
};
Node.prototype.optional = function optional() {
const state = this._baseState;
state.optional = true;
return this;
};
Node.prototype.def = function def(val) {
const state = this._baseState;
assert(state['default'] === null);
state['default'] = val;
state.optional = true;
return this;
};
Node.prototype.explicit = function explicit(num) {
const state = this._baseState;
assert(state.explicit === null && state.implicit === null);
state.explicit = num;
return this;
};
Node.prototype.implicit = function implicit(num) {
const state = this._baseState;
assert(state.explicit === null && state.implicit === null);
state.implicit = num;
return this;
};
Node.prototype.obj = function obj() {
const state = this._baseState;
const args = Array.prototype.slice.call(arguments);
state.obj = true;
if (args.length !== 0)
this._useArgs(args);
return this;
};
Node.prototype.key = function key(newKey) {
const state = this._baseState;
assert(state.key === null);
state.key = newKey;
return this;
};
Node.prototype.any = function any() {
const state = this._baseState;
state.any = true;
return this;
};
Node.prototype.choice = function choice(obj) {
const state = this._baseState;
assert(state.choice === null);
state.choice = obj;
this._useArgs(Object.keys(obj).map(function(key) {
return obj[key];
}));
return this;
};
Node.prototype.contains = function contains(item) {
const state = this._baseState;
assert(state.use === null);
state.contains = item;
return this;
};
//
// Decoding
//
Node.prototype._decode = function decode(input, options) {
const state = this._baseState;
// Decode root node
if (state.parent === null)
return input.wrapResult(state.children[0]._decode(input, options));
let result = state['default'];
let present = true;
let prevKey = null;
if (state.key !== null)
prevKey = input.enterKey(state.key);
// Check if tag is there
if (state.optional) {
let tag = null;
if (state.explicit !== null)
tag = state.explicit;
else if (state.implicit !== null)
tag = state.implicit;
else if (state.tag !== null)
tag = state.tag;
if (tag === null && !state.any) {
// Trial and Error
const save = input.save();
try {
if (state.choice === null)
this._decodeGeneric(state.tag, input, options);
else
this._decodeChoice(input, options);
present = true;
} catch (e) {
present = false;
}
input.restore(save);
} else {
present = this._peekTag(input, tag, state.any);
if (input.isError(present))
return present;
}
}
// Push object on stack
let prevObj;
if (state.obj && present)
prevObj = input.enterObject();
if (present) {
// Unwrap explicit values
if (state.explicit !== null) {
const explicit = this._decodeTag(input, state.explicit);
if (input.isError(explicit))
return explicit;
input = explicit;
}
const start = input.offset;
// Unwrap implicit and normal values
if (state.use === null && state.choice === null) {
let save;
if (state.any)
save = input.save();
const body = this._decodeTag(
input,
state.implicit !== null ? state.implicit : state.tag,
state.any
);
if (input.isError(body))
return body;
if (state.any)
result = input.raw(save);
else
input = body;
}
if (options && options.track && state.tag !== null)
options.track(input.path(), start, input.length, 'tagged');
if (options && options.track && state.tag !== null)
options.track(input.path(), input.offset, input.length, 'content');
// Select proper method for tag
if (state.any) {
// no-op
} else if (state.choice === null) {
result = this._decodeGeneric(state.tag, input, options);
} else {
result = this._decodeChoice(input, options);
}
if (input.isError(result))
return result;
// Decode children
if (!state.any && state.choice === null && state.children !== null) {
state.children.forEach(function decodeChildren(child) {
// NOTE: We are ignoring errors here, to let parser continue with other
// parts of encoded data
child._decode(input, options);
});
}
// Decode contained/encoded by schema, only in bit or octet strings
if (state.contains && (state.tag === 'octstr' || state.tag === 'bitstr')) {
const data = new DecoderBuffer(result);
result = this._getUse(state.contains, input._reporterState.obj)
._decode(data, options);
}
}
// Pop object
if (state.obj && present)
result = input.leaveObject(prevObj);
// Set key
if (state.key !== null && (result !== null || present === true))
input.leaveKey(prevKey, state.key, result);
else if (prevKey !== null)
input.exitKey(prevKey);
return result;
};
Node.prototype._decodeGeneric = function decodeGeneric(tag, input, options) {
const state = this._baseState;
if (tag === 'seq' || tag === 'set')
return null;
if (tag === 'seqof' || tag === 'setof')
return this._decodeList(input, tag, state.args[0], options);
else if (/str$/.test(tag))
return this._decodeStr(input, tag, options);
else if (tag === 'objid' && state.args)
return this._decodeObjid(input, state.args[0], state.args[1], options);
else if (tag === 'objid')
return this._decodeObjid(input, null, null, options);
else if (tag === 'gentime' || tag === 'utctime')
return this._decodeTime(input, tag, options);
else if (tag === 'null_')
return this._decodeNull(input, options);
else if (tag === 'bool')
return this._decodeBool(input, options);
else if (tag === 'objDesc')
return this._decodeStr(input, tag, options);
else if (tag === 'int' || tag === 'enum')
return this._decodeInt(input, state.args && state.args[0], options);
if (state.use !== null) {
return this._getUse(state.use, input._reporterState.obj)
._decode(input, options);
} else {
return input.error('unknown tag: ' + tag);
}
};
Node.prototype._getUse = function _getUse(entity, obj) {
const state = this._baseState;
// Create altered use decoder if implicit is set
state.useDecoder = this._use(entity, obj);
assert(state.useDecoder._baseState.parent === null);
state.useDecoder = state.useDecoder._baseState.children[0];
if (state.implicit !== state.useDecoder._baseState.implicit) {
state.useDecoder = state.useDecoder.clone();
state.useDecoder._baseState.implicit = state.implicit;
}
return state.useDecoder;
};
Node.prototype._decodeChoice = function decodeChoice(input, options) {
const state = this._baseState;
let result = null;
let match = false;
Object.keys(state.choice).some(function(key) {
const save = input.save();
const node = state.choice[key];
try {
const value = node._decode(input, options);
if (input.isError(value))
return false;
result = { type: key, value: value };
match = true;
} catch (e) {
input.restore(save);
return false;
}
return true;
}, this);
if (!match)
return input.error('Choice not matched');
return result;
};
//
// Encoding
//
Node.prototype._createEncoderBuffer = function createEncoderBuffer(data) {
return new EncoderBuffer(data, this.reporter);
};
Node.prototype._encode = function encode(data, reporter, parent) {
const state = this._baseState;
if (state['default'] !== null && state['default'] === data)
return;
const result = this._encodeValue(data, reporter, parent);
if (result === undefined)
return;
if (this._skipDefault(result, reporter, parent))
return;
return result;
};
Node.prototype._encodeValue = function encode(data, reporter, parent) {
const state = this._baseState;
// Decode root node
if (state.parent === null)
return state.children[0]._encode(data, reporter || new Reporter());
let result = null;
// Set reporter to share it with a child class
this.reporter = reporter;
// Check if data is there
if (state.optional && data === undefined) {
if (state['default'] !== null)
data = state['default'];
else
return;
}
// Encode children first
let content = null;
let primitive = false;
if (state.any) {
// Anything that was given is translated to buffer
result = this._createEncoderBuffer(data);
} else if (state.choice) {
result = this._encodeChoice(data, reporter);
} else if (state.contains) {
content = this._getUse(state.contains, parent)._encode(data, reporter);
primitive = true;
} else if (state.children) {
content = state.children.map(function(child) {
if (child._baseState.tag === 'null_')
return child._encode(null, reporter, data);
if (child._baseState.key === null)
return reporter.error('Child should have a key');
const prevKey = reporter.enterKey(child._baseState.key);
if (typeof data !== 'object')
return reporter.error('Child expected, but input is not object');
const res = child._encode(data[child._baseState.key], reporter, data);
reporter.leaveKey(prevKey);
return res;
}, this).filter(function(child) {
return child;
});
content = this._createEncoderBuffer(content);
} else {
if (state.tag === 'seqof' || state.tag === 'setof') {
// TODO(indutny): this should be thrown on DSL level
if (!(state.args && state.args.length === 1))
return reporter.error('Too many args for : ' + state.tag);
if (!Array.isArray(data))
return reporter.error('seqof/setof, but data is not Array');
const child = this.clone();
child._baseState.implicit = null;
content = this._createEncoderBuffer(data.map(function(item) {
const state = this._baseState;
return this._getUse(state.args[0], data)._encode(item, reporter);
}, child));
} else if (state.use !== null) {
result = this._getUse(state.use, parent)._encode(data, reporter);
} else {
content = this._encodePrimitive(state.tag, data);
primitive = true;
}
}
// Encode data itself
if (!state.any && state.choice === null) {
const tag = state.implicit !== null ? state.implicit : state.tag;
const cls = state.implicit === null ? 'universal' : 'context';
if (tag === null) {
if (state.use === null)
reporter.error('Tag could be omitted only for .use()');
} else {
if (state.use === null)
result = this._encodeComposite(tag, primitive, cls, content);
}
}
// Wrap in explicit
if (state.explicit !== null)
result = this._encodeComposite(state.explicit, false, 'context', result);
return result;
};
Node.prototype._encodeChoice = function encodeChoice(data, reporter) {
const state = this._baseState;
const node = state.choice[data.type];
if (!node) {
assert(
false,
data.type + ' not found in ' +
JSON.stringify(Object.keys(state.choice)));
}
return node._encode(data.value, reporter);
};
Node.prototype._encodePrimitive = function encodePrimitive(tag, data) {
const state = this._baseState;
if (/str$/.test(tag))
return this._encodeStr(data, tag);
else if (tag === 'objid' && state.args)
return this._encodeObjid(data, state.reverseArgs[0], state.args[1]);
else if (tag === 'objid')
return this._encodeObjid(data, null, null);
else if (tag === 'gentime' || tag === 'utctime')
return this._encodeTime(data, tag);
else if (tag === 'null_')
return this._encodeNull();
else if (tag === 'int' || tag === 'enum')
return this._encodeInt(data, state.args && state.reverseArgs[0]);
else if (tag === 'bool')
return this._encodeBool(data);
else if (tag === 'objDesc')
return this._encodeStr(data, tag);
else
throw new Error('Unsupported tag: ' + tag);
};
Node.prototype._isNumstr = function isNumstr(str) {
return /^[0-9 ]*$/.test(str);
};
Node.prototype._isPrintstr = function isPrintstr(str) {
return /^[A-Za-z0-9 '()+,-./:=?]*$/.test(str);
};

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'use strict';
const inherits = require('inherits');
function Reporter(options) {
this._reporterState = {
obj: null,
path: [],
options: options || {},
errors: []
};
}
exports.Reporter = Reporter;
Reporter.prototype.isError = function isError(obj) {
return obj instanceof ReporterError;
};
Reporter.prototype.save = function save() {
const state = this._reporterState;
return { obj: state.obj, pathLen: state.path.length };
};
Reporter.prototype.restore = function restore(data) {
const state = this._reporterState;
state.obj = data.obj;
state.path = state.path.slice(0, data.pathLen);
};
Reporter.prototype.enterKey = function enterKey(key) {
return this._reporterState.path.push(key);
};
Reporter.prototype.exitKey = function exitKey(index) {
const state = this._reporterState;
state.path = state.path.slice(0, index - 1);
};
Reporter.prototype.leaveKey = function leaveKey(index, key, value) {
const state = this._reporterState;
this.exitKey(index);
if (state.obj !== null)
state.obj[key] = value;
};
Reporter.prototype.path = function path() {
return this._reporterState.path.join('/');
};
Reporter.prototype.enterObject = function enterObject() {
const state = this._reporterState;
const prev = state.obj;
state.obj = {};
return prev;
};
Reporter.prototype.leaveObject = function leaveObject(prev) {
const state = this._reporterState;
const now = state.obj;
state.obj = prev;
return now;
};
Reporter.prototype.error = function error(msg) {
let err;
const state = this._reporterState;
const inherited = msg instanceof ReporterError;
if (inherited) {
err = msg;
} else {
err = new ReporterError(state.path.map(function(elem) {
return '[' + JSON.stringify(elem) + ']';
}).join(''), msg.message || msg, msg.stack);
}
if (!state.options.partial)
throw err;
if (!inherited)
state.errors.push(err);
return err;
};
Reporter.prototype.wrapResult = function wrapResult(result) {
const state = this._reporterState;
if (!state.options.partial)
return result;
return {
result: this.isError(result) ? null : result,
errors: state.errors
};
};
function ReporterError(path, msg) {
this.path = path;
this.rethrow(msg);
}
inherits(ReporterError, Error);
ReporterError.prototype.rethrow = function rethrow(msg) {
this.message = msg + ' at: ' + (this.path || '(shallow)');
if (Error.captureStackTrace)
Error.captureStackTrace(this, ReporterError);
if (!this.stack) {
try {
// IE only adds stack when thrown
throw new Error(this.message);
} catch (e) {
this.stack = e.stack;
}
}
return this;
};

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node_modules/asn1.js/lib/asn1/constants/der.js generated vendored Normal file
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'use strict';
// Helper
function reverse(map) {
const res = {};
Object.keys(map).forEach(function(key) {
// Convert key to integer if it is stringified
if ((key | 0) == key)
key = key | 0;
const value = map[key];
res[value] = key;
});
return res;
}
exports.tagClass = {
0: 'universal',
1: 'application',
2: 'context',
3: 'private'
};
exports.tagClassByName = reverse(exports.tagClass);
exports.tag = {
0x00: 'end',
0x01: 'bool',
0x02: 'int',
0x03: 'bitstr',
0x04: 'octstr',
0x05: 'null_',
0x06: 'objid',
0x07: 'objDesc',
0x08: 'external',
0x09: 'real',
0x0a: 'enum',
0x0b: 'embed',
0x0c: 'utf8str',
0x0d: 'relativeOid',
0x10: 'seq',
0x11: 'set',
0x12: 'numstr',
0x13: 'printstr',
0x14: 't61str',
0x15: 'videostr',
0x16: 'ia5str',
0x17: 'utctime',
0x18: 'gentime',
0x19: 'graphstr',
0x1a: 'iso646str',
0x1b: 'genstr',
0x1c: 'unistr',
0x1d: 'charstr',
0x1e: 'bmpstr'
};
exports.tagByName = reverse(exports.tag);

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'use strict';
const constants = exports;
// Helper
constants._reverse = function reverse(map) {
const res = {};
Object.keys(map).forEach(function(key) {
// Convert key to integer if it is stringified
if ((key | 0) == key)
key = key | 0;
const value = map[key];
res[value] = key;
});
return res;
};
constants.der = require('./der');

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node_modules/asn1.js/lib/asn1/decoders/der.js generated vendored Normal file
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'use strict';
const inherits = require('inherits');
const bignum = require('bn.js');
const DecoderBuffer = require('../base/buffer').DecoderBuffer;
const Node = require('../base/node');
// Import DER constants
const der = require('../constants/der');
function DERDecoder(entity) {
this.enc = 'der';
this.name = entity.name;
this.entity = entity;
// Construct base tree
this.tree = new DERNode();
this.tree._init(entity.body);
}
module.exports = DERDecoder;
DERDecoder.prototype.decode = function decode(data, options) {
if (!DecoderBuffer.isDecoderBuffer(data)) {
data = new DecoderBuffer(data, options);
}
return this.tree._decode(data, options);
};
// Tree methods
function DERNode(parent) {
Node.call(this, 'der', parent);
}
inherits(DERNode, Node);
DERNode.prototype._peekTag = function peekTag(buffer, tag, any) {
if (buffer.isEmpty())
return false;
const state = buffer.save();
const decodedTag = derDecodeTag(buffer, 'Failed to peek tag: "' + tag + '"');
if (buffer.isError(decodedTag))
return decodedTag;
buffer.restore(state);
return decodedTag.tag === tag || decodedTag.tagStr === tag ||
(decodedTag.tagStr + 'of') === tag || any;
};
DERNode.prototype._decodeTag = function decodeTag(buffer, tag, any) {
const decodedTag = derDecodeTag(buffer,
'Failed to decode tag of "' + tag + '"');
if (buffer.isError(decodedTag))
return decodedTag;
let len = derDecodeLen(buffer,
decodedTag.primitive,
'Failed to get length of "' + tag + '"');
// Failure
if (buffer.isError(len))
return len;
if (!any &&
decodedTag.tag !== tag &&
decodedTag.tagStr !== tag &&
decodedTag.tagStr + 'of' !== tag) {
return buffer.error('Failed to match tag: "' + tag + '"');
}
if (decodedTag.primitive || len !== null)
return buffer.skip(len, 'Failed to match body of: "' + tag + '"');
// Indefinite length... find END tag
const state = buffer.save();
const res = this._skipUntilEnd(
buffer,
'Failed to skip indefinite length body: "' + this.tag + '"');
if (buffer.isError(res))
return res;
len = buffer.offset - state.offset;
buffer.restore(state);
return buffer.skip(len, 'Failed to match body of: "' + tag + '"');
};
DERNode.prototype._skipUntilEnd = function skipUntilEnd(buffer, fail) {
for (;;) {
const tag = derDecodeTag(buffer, fail);
if (buffer.isError(tag))
return tag;
const len = derDecodeLen(buffer, tag.primitive, fail);
if (buffer.isError(len))
return len;
let res;
if (tag.primitive || len !== null)
res = buffer.skip(len);
else
res = this._skipUntilEnd(buffer, fail);
// Failure
if (buffer.isError(res))
return res;
if (tag.tagStr === 'end')
break;
}
};
DERNode.prototype._decodeList = function decodeList(buffer, tag, decoder,
options) {
const result = [];
while (!buffer.isEmpty()) {
const possibleEnd = this._peekTag(buffer, 'end');
if (buffer.isError(possibleEnd))
return possibleEnd;
const res = decoder.decode(buffer, 'der', options);
if (buffer.isError(res) && possibleEnd)
break;
result.push(res);
}
return result;
};
DERNode.prototype._decodeStr = function decodeStr(buffer, tag) {
if (tag === 'bitstr') {
const unused = buffer.readUInt8();
if (buffer.isError(unused))
return unused;
return { unused: unused, data: buffer.raw() };
} else if (tag === 'bmpstr') {
const raw = buffer.raw();
if (raw.length % 2 === 1)
return buffer.error('Decoding of string type: bmpstr length mismatch');
let str = '';
for (let i = 0; i < raw.length / 2; i++) {
str += String.fromCharCode(raw.readUInt16BE(i * 2));
}
return str;
} else if (tag === 'numstr') {
const numstr = buffer.raw().toString('ascii');
if (!this._isNumstr(numstr)) {
return buffer.error('Decoding of string type: ' +
'numstr unsupported characters');
}
return numstr;
} else if (tag === 'octstr') {
return buffer.raw();
} else if (tag === 'objDesc') {
return buffer.raw();
} else if (tag === 'printstr') {
const printstr = buffer.raw().toString('ascii');
if (!this._isPrintstr(printstr)) {
return buffer.error('Decoding of string type: ' +
'printstr unsupported characters');
}
return printstr;
} else if (/str$/.test(tag)) {
return buffer.raw().toString();
} else {
return buffer.error('Decoding of string type: ' + tag + ' unsupported');
}
};
DERNode.prototype._decodeObjid = function decodeObjid(buffer, values, relative) {
let result;
const identifiers = [];
let ident = 0;
let subident = 0;
while (!buffer.isEmpty()) {
subident = buffer.readUInt8();
ident <<= 7;
ident |= subident & 0x7f;
if ((subident & 0x80) === 0) {
identifiers.push(ident);
ident = 0;
}
}
if (subident & 0x80)
identifiers.push(ident);
const first = (identifiers[0] / 40) | 0;
const second = identifiers[0] % 40;
if (relative)
result = identifiers;
else
result = [first, second].concat(identifiers.slice(1));
if (values) {
let tmp = values[result.join(' ')];
if (tmp === undefined)
tmp = values[result.join('.')];
if (tmp !== undefined)
result = tmp;
}
return result;
};
DERNode.prototype._decodeTime = function decodeTime(buffer, tag) {
const str = buffer.raw().toString();
let year;
let mon;
let day;
let hour;
let min;
let sec;
if (tag === 'gentime') {
year = str.slice(0, 4) | 0;
mon = str.slice(4, 6) | 0;
day = str.slice(6, 8) | 0;
hour = str.slice(8, 10) | 0;
min = str.slice(10, 12) | 0;
sec = str.slice(12, 14) | 0;
} else if (tag === 'utctime') {
year = str.slice(0, 2) | 0;
mon = str.slice(2, 4) | 0;
day = str.slice(4, 6) | 0;
hour = str.slice(6, 8) | 0;
min = str.slice(8, 10) | 0;
sec = str.slice(10, 12) | 0;
if (year < 70)
year = 2000 + year;
else
year = 1900 + year;
} else {
return buffer.error('Decoding ' + tag + ' time is not supported yet');
}
return Date.UTC(year, mon - 1, day, hour, min, sec, 0);
};
DERNode.prototype._decodeNull = function decodeNull() {
return null;
};
DERNode.prototype._decodeBool = function decodeBool(buffer) {
const res = buffer.readUInt8();
if (buffer.isError(res))
return res;
else
return res !== 0;
};
DERNode.prototype._decodeInt = function decodeInt(buffer, values) {
// Bigint, return as it is (assume big endian)
const raw = buffer.raw();
let res = new bignum(raw);
if (values)
res = values[res.toString(10)] || res;
return res;
};
DERNode.prototype._use = function use(entity, obj) {
if (typeof entity === 'function')
entity = entity(obj);
return entity._getDecoder('der').tree;
};
// Utility methods
function derDecodeTag(buf, fail) {
let tag = buf.readUInt8(fail);
if (buf.isError(tag))
return tag;
const cls = der.tagClass[tag >> 6];
const primitive = (tag & 0x20) === 0;
// Multi-octet tag - load
if ((tag & 0x1f) === 0x1f) {
let oct = tag;
tag = 0;
while ((oct & 0x80) === 0x80) {
oct = buf.readUInt8(fail);
if (buf.isError(oct))
return oct;
tag <<= 7;
tag |= oct & 0x7f;
}
} else {
tag &= 0x1f;
}
const tagStr = der.tag[tag];
return {
cls: cls,
primitive: primitive,
tag: tag,
tagStr: tagStr
};
}
function derDecodeLen(buf, primitive, fail) {
let len = buf.readUInt8(fail);
if (buf.isError(len))
return len;
// Indefinite form
if (!primitive && len === 0x80)
return null;
// Definite form
if ((len & 0x80) === 0) {
// Short form
return len;
}
// Long form
const num = len & 0x7f;
if (num > 4)
return buf.error('length octect is too long');
len = 0;
for (let i = 0; i < num; i++) {
len <<= 8;
const j = buf.readUInt8(fail);
if (buf.isError(j))
return j;
len |= j;
}
return len;
}

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node_modules/asn1.js/lib/asn1/decoders/index.js generated vendored Normal file
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'use strict';
const decoders = exports;
decoders.der = require('./der');
decoders.pem = require('./pem');

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node_modules/asn1.js/lib/asn1/decoders/pem.js generated vendored Normal file
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'use strict';
const inherits = require('inherits');
const Buffer = require('safer-buffer').Buffer;
const DERDecoder = require('./der');
function PEMDecoder(entity) {
DERDecoder.call(this, entity);
this.enc = 'pem';
}
inherits(PEMDecoder, DERDecoder);
module.exports = PEMDecoder;
PEMDecoder.prototype.decode = function decode(data, options) {
const lines = data.toString().split(/[\r\n]+/g);
const label = options.label.toUpperCase();
const re = /^-----(BEGIN|END) ([^-]+)-----$/;
let start = -1;
let end = -1;
for (let i = 0; i < lines.length; i++) {
const match = lines[i].match(re);
if (match === null)
continue;
if (match[2] !== label)
continue;
if (start === -1) {
if (match[1] !== 'BEGIN')
break;
start = i;
} else {
if (match[1] !== 'END')
break;
end = i;
break;
}
}
if (start === -1 || end === -1)
throw new Error('PEM section not found for: ' + label);
const base64 = lines.slice(start + 1, end).join('');
// Remove excessive symbols
base64.replace(/[^a-z0-9+/=]+/gi, '');
const input = Buffer.from(base64, 'base64');
return DERDecoder.prototype.decode.call(this, input, options);
};

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node_modules/asn1.js/lib/asn1/encoders/der.js generated vendored Normal file
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'use strict';
const inherits = require('inherits');
const Buffer = require('safer-buffer').Buffer;
const Node = require('../base/node');
// Import DER constants
const der = require('../constants/der');
function DEREncoder(entity) {
this.enc = 'der';
this.name = entity.name;
this.entity = entity;
// Construct base tree
this.tree = new DERNode();
this.tree._init(entity.body);
}
module.exports = DEREncoder;
DEREncoder.prototype.encode = function encode(data, reporter) {
return this.tree._encode(data, reporter).join();
};
// Tree methods
function DERNode(parent) {
Node.call(this, 'der', parent);
}
inherits(DERNode, Node);
DERNode.prototype._encodeComposite = function encodeComposite(tag,
primitive,
cls,
content) {
const encodedTag = encodeTag(tag, primitive, cls, this.reporter);
// Short form
if (content.length < 0x80) {
const header = Buffer.alloc(2);
header[0] = encodedTag;
header[1] = content.length;
return this._createEncoderBuffer([ header, content ]);
}
// Long form
// Count octets required to store length
let lenOctets = 1;
for (let i = content.length; i >= 0x100; i >>= 8)
lenOctets++;
const header = Buffer.alloc(1 + 1 + lenOctets);
header[0] = encodedTag;
header[1] = 0x80 | lenOctets;
for (let i = 1 + lenOctets, j = content.length; j > 0; i--, j >>= 8)
header[i] = j & 0xff;
return this._createEncoderBuffer([ header, content ]);
};
DERNode.prototype._encodeStr = function encodeStr(str, tag) {
if (tag === 'bitstr') {
return this._createEncoderBuffer([ str.unused | 0, str.data ]);
} else if (tag === 'bmpstr') {
const buf = Buffer.alloc(str.length * 2);
for (let i = 0; i < str.length; i++) {
buf.writeUInt16BE(str.charCodeAt(i), i * 2);
}
return this._createEncoderBuffer(buf);
} else if (tag === 'numstr') {
if (!this._isNumstr(str)) {
return this.reporter.error('Encoding of string type: numstr supports ' +
'only digits and space');
}
return this._createEncoderBuffer(str);
} else if (tag === 'printstr') {
if (!this._isPrintstr(str)) {
return this.reporter.error('Encoding of string type: printstr supports ' +
'only latin upper and lower case letters, ' +
'digits, space, apostrophe, left and rigth ' +
'parenthesis, plus sign, comma, hyphen, ' +
'dot, slash, colon, equal sign, ' +
'question mark');
}
return this._createEncoderBuffer(str);
} else if (/str$/.test(tag)) {
return this._createEncoderBuffer(str);
} else if (tag === 'objDesc') {
return this._createEncoderBuffer(str);
} else {
return this.reporter.error('Encoding of string type: ' + tag +
' unsupported');
}
};
DERNode.prototype._encodeObjid = function encodeObjid(id, values, relative) {
if (typeof id === 'string') {
if (!values)
return this.reporter.error('string objid given, but no values map found');
if (!values.hasOwnProperty(id))
return this.reporter.error('objid not found in values map');
id = values[id].split(/[\s.]+/g);
for (let i = 0; i < id.length; i++)
id[i] |= 0;
} else if (Array.isArray(id)) {
id = id.slice();
for (let i = 0; i < id.length; i++)
id[i] |= 0;
}
if (!Array.isArray(id)) {
return this.reporter.error('objid() should be either array or string, ' +
'got: ' + JSON.stringify(id));
}
if (!relative) {
if (id[1] >= 40)
return this.reporter.error('Second objid identifier OOB');
id.splice(0, 2, id[0] * 40 + id[1]);
}
// Count number of octets
let size = 0;
for (let i = 0; i < id.length; i++) {
let ident = id[i];
for (size++; ident >= 0x80; ident >>= 7)
size++;
}
const objid = Buffer.alloc(size);
let offset = objid.length - 1;
for (let i = id.length - 1; i >= 0; i--) {
let ident = id[i];
objid[offset--] = ident & 0x7f;
while ((ident >>= 7) > 0)
objid[offset--] = 0x80 | (ident & 0x7f);
}
return this._createEncoderBuffer(objid);
};
function two(num) {
if (num < 10)
return '0' + num;
else
return num;
}
DERNode.prototype._encodeTime = function encodeTime(time, tag) {
let str;
const date = new Date(time);
if (tag === 'gentime') {
str = [
two(date.getUTCFullYear()),
two(date.getUTCMonth() + 1),
two(date.getUTCDate()),
two(date.getUTCHours()),
two(date.getUTCMinutes()),
two(date.getUTCSeconds()),
'Z'
].join('');
} else if (tag === 'utctime') {
str = [
two(date.getUTCFullYear() % 100),
two(date.getUTCMonth() + 1),
two(date.getUTCDate()),
two(date.getUTCHours()),
two(date.getUTCMinutes()),
two(date.getUTCSeconds()),
'Z'
].join('');
} else {
this.reporter.error('Encoding ' + tag + ' time is not supported yet');
}
return this._encodeStr(str, 'octstr');
};
DERNode.prototype._encodeNull = function encodeNull() {
return this._createEncoderBuffer('');
};
DERNode.prototype._encodeInt = function encodeInt(num, values) {
if (typeof num === 'string') {
if (!values)
return this.reporter.error('String int or enum given, but no values map');
if (!values.hasOwnProperty(num)) {
return this.reporter.error('Values map doesn\'t contain: ' +
JSON.stringify(num));
}
num = values[num];
}
// Bignum, assume big endian
if (typeof num !== 'number' && !Buffer.isBuffer(num)) {
const numArray = num.toArray();
if (!num.sign && numArray[0] & 0x80) {
numArray.unshift(0);
}
num = Buffer.from(numArray);
}
if (Buffer.isBuffer(num)) {
let size = num.length;
if (num.length === 0)
size++;
const out = Buffer.alloc(size);
num.copy(out);
if (num.length === 0)
out[0] = 0;
return this._createEncoderBuffer(out);
}
if (num < 0x80)
return this._createEncoderBuffer(num);
if (num < 0x100)
return this._createEncoderBuffer([0, num]);
let size = 1;
for (let i = num; i >= 0x100; i >>= 8)
size++;
const out = new Array(size);
for (let i = out.length - 1; i >= 0; i--) {
out[i] = num & 0xff;
num >>= 8;
}
if(out[0] & 0x80) {
out.unshift(0);
}
return this._createEncoderBuffer(Buffer.from(out));
};
DERNode.prototype._encodeBool = function encodeBool(value) {
return this._createEncoderBuffer(value ? 0xff : 0);
};
DERNode.prototype._use = function use(entity, obj) {
if (typeof entity === 'function')
entity = entity(obj);
return entity._getEncoder('der').tree;
};
DERNode.prototype._skipDefault = function skipDefault(dataBuffer, reporter, parent) {
const state = this._baseState;
let i;
if (state['default'] === null)
return false;
const data = dataBuffer.join();
if (state.defaultBuffer === undefined)
state.defaultBuffer = this._encodeValue(state['default'], reporter, parent).join();
if (data.length !== state.defaultBuffer.length)
return false;
for (i=0; i < data.length; i++)
if (data[i] !== state.defaultBuffer[i])
return false;
return true;
};
// Utility methods
function encodeTag(tag, primitive, cls, reporter) {
let res;
if (tag === 'seqof')
tag = 'seq';
else if (tag === 'setof')
tag = 'set';
if (der.tagByName.hasOwnProperty(tag))
res = der.tagByName[tag];
else if (typeof tag === 'number' && (tag | 0) === tag)
res = tag;
else
return reporter.error('Unknown tag: ' + tag);
if (res >= 0x1f)
return reporter.error('Multi-octet tag encoding unsupported');
if (!primitive)
res |= 0x20;
res |= (der.tagClassByName[cls || 'universal'] << 6);
return res;
}

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'use strict';
const encoders = exports;
encoders.der = require('./der');
encoders.pem = require('./pem');

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'use strict';
const inherits = require('inherits');
const DEREncoder = require('./der');
function PEMEncoder(entity) {
DEREncoder.call(this, entity);
this.enc = 'pem';
}
inherits(PEMEncoder, DEREncoder);
module.exports = PEMEncoder;
PEMEncoder.prototype.encode = function encode(data, options) {
const buf = DEREncoder.prototype.encode.call(this, data);
const p = buf.toString('base64');
const out = [ '-----BEGIN ' + options.label + '-----' ];
for (let i = 0; i < p.length; i += 64)
out.push(p.slice(i, i + 64));
out.push('-----END ' + options.label + '-----');
return out.join('\n');
};

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{
"_args": [
[
"asn1.js@5.3.0",
"X:\\dev\\neard\\www\\github\\ghaction\\ghaction-import-gpg"
]
],
"_from": "asn1.js@5.3.0",
"_id": "asn1.js@5.3.0",
"_inBundle": false,
"_integrity": "sha512-WHnQJFcOrIWT1RLOkFFBQkFVvyt9BPOOrH+Dp152Zk4R993rSzXUGPmkybIcUFhHE2d/iHH+nCaOWVCDbO8fgA==",
"_location": "/asn1.js",
"_phantomChildren": {},
"_requested": {
"type": "version",
"registry": true,
"raw": "asn1.js@5.3.0",
"name": "asn1.js",
"escapedName": "asn1.js",
"rawSpec": "5.3.0",
"saveSpec": null,
"fetchSpec": "5.3.0"
},
"_requiredBy": [
"/openpgp"
],
"_resolved": "https://registry.npmjs.org/asn1.js/-/asn1.js-5.3.0.tgz",
"_spec": "5.3.0",
"_where": "X:\\dev\\neard\\www\\github\\ghaction\\ghaction-import-gpg",
"author": {
"name": "Fedor Indutny"
},
"bugs": {
"url": "https://github.com/indutny/asn1.js/issues"
},
"dependencies": {
"bn.js": "^4.0.0",
"inherits": "^2.0.1",
"minimalistic-assert": "^1.0.0",
"safer-buffer": "^2.1.0"
},
"description": "ASN.1 encoder and decoder",
"devDependencies": {
"eslint": "^4.10.0",
"mocha": "^7.0.0"
},
"homepage": "https://github.com/indutny/asn1.js",
"keywords": [
"asn.1",
"der"
],
"license": "MIT",
"main": "lib/asn1.js",
"name": "asn1.js",
"repository": {
"type": "git",
"url": "git+ssh://git@github.com/indutny/asn1.js.git"
},
"scripts": {
"lint": "eslint --fix lib/*.js lib/**/*.js lib/**/**/*.js && npm run lint-2560 && npm run lint-5280",
"lint-2560": "eslint --fix rfc/2560/*.js rfc/2560/test/*.js",
"lint-5280": "eslint --fix rfc/5280/*.js rfc/5280/test/*.js",
"test": "mocha --reporter spec test/*-test.js && cd rfc/2560 && npm i && npm test && cd ../../rfc/5280 && npm i && npm test && cd ../../ && npm run lint"
},
"version": "5.3.0"
}

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benchmarks/
coverage/
test/
node_modules/
npm-debug.log
1.js
logo.png
.travis.yml

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# <img src="./logo.png" alt="bn.js" width="160" height="160" />
> BigNum in pure javascript
[![Build Status](https://secure.travis-ci.org/indutny/bn.js.png)](http://travis-ci.org/indutny/bn.js)
## Install
`npm install --save bn.js`
## Usage
```js
const BN = require('bn.js');
var a = new BN('dead', 16);
var b = new BN('101010', 2);
var res = a.add(b);
console.log(res.toString(10)); // 57047
```
**Note**: decimals are not supported in this library.
## Notation
### Prefixes
There are several prefixes to instructions that affect the way the work. Here
is the list of them in the order of appearance in the function name:
* `i` - perform operation in-place, storing the result in the host object (on
which the method was invoked). Might be used to avoid number allocation costs
* `u` - unsigned, ignore the sign of operands when performing operation, or
always return positive value. Second case applies to reduction operations
like `mod()`. In such cases if the result will be negative - modulo will be
added to the result to make it positive
### Postfixes
The only available postfix at the moment is:
* `n` - which means that the argument of the function must be a plain JavaScript
Number. Decimals are not supported.
### Examples
* `a.iadd(b)` - perform addition on `a` and `b`, storing the result in `a`
* `a.umod(b)` - reduce `a` modulo `b`, returning positive value
* `a.iushln(13)` - shift bits of `a` left by 13
## Instructions
Prefixes/postfixes are put in parens at the of the line. `endian` - could be
either `le` (little-endian) or `be` (big-endian).
### Utilities
* `a.clone()` - clone number
* `a.toString(base, length)` - convert to base-string and pad with zeroes
* `a.toNumber()` - convert to Javascript Number (limited to 53 bits)
* `a.toJSON()` - convert to JSON compatible hex string (alias of `toString(16)`)
* `a.toArray(endian, length)` - convert to byte `Array`, and optionally zero
pad to length, throwing if already exceeding
* `a.toArrayLike(type, endian, length)` - convert to an instance of `type`,
which must behave like an `Array`
* `a.toBuffer(endian, length)` - convert to Node.js Buffer (if available). For
compatibility with browserify and similar tools, use this instead:
`a.toArrayLike(Buffer, endian, length)`
* `a.bitLength()` - get number of bits occupied
* `a.zeroBits()` - return number of less-significant consequent zero bits
(example: `1010000` has 4 zero bits)
* `a.byteLength()` - return number of bytes occupied
* `a.isNeg()` - true if the number is negative
* `a.isEven()` - no comments
* `a.isOdd()` - no comments
* `a.isZero()` - no comments
* `a.cmp(b)` - compare numbers and return `-1` (a `<` b), `0` (a `==` b), or `1` (a `>` b)
depending on the comparison result (`ucmp`, `cmpn`)
* `a.lt(b)` - `a` less than `b` (`n`)
* `a.lte(b)` - `a` less than or equals `b` (`n`)
* `a.gt(b)` - `a` greater than `b` (`n`)
* `a.gte(b)` - `a` greater than or equals `b` (`n`)
* `a.eq(b)` - `a` equals `b` (`n`)
* `a.toTwos(width)` - convert to two's complement representation, where `width` is bit width
* `a.fromTwos(width)` - convert from two's complement representation, where `width` is the bit width
* `BN.isBN(object)` - returns true if the supplied `object` is a BN.js instance
### Arithmetics
* `a.neg()` - negate sign (`i`)
* `a.abs()` - absolute value (`i`)
* `a.add(b)` - addition (`i`, `n`, `in`)
* `a.sub(b)` - subtraction (`i`, `n`, `in`)
* `a.mul(b)` - multiply (`i`, `n`, `in`)
* `a.sqr()` - square (`i`)
* `a.pow(b)` - raise `a` to the power of `b`
* `a.div(b)` - divide (`divn`, `idivn`)
* `a.mod(b)` - reduct (`u`, `n`) (but no `umodn`)
* `a.divRound(b)` - rounded division
### Bit operations
* `a.or(b)` - or (`i`, `u`, `iu`)
* `a.and(b)` - and (`i`, `u`, `iu`, `andln`) (NOTE: `andln` is going to be replaced
with `andn` in future)
* `a.xor(b)` - xor (`i`, `u`, `iu`)
* `a.setn(b)` - set specified bit to `1`
* `a.shln(b)` - shift left (`i`, `u`, `iu`)
* `a.shrn(b)` - shift right (`i`, `u`, `iu`)
* `a.testn(b)` - test if specified bit is set
* `a.maskn(b)` - clear bits with indexes higher or equal to `b` (`i`)
* `a.bincn(b)` - add `1 << b` to the number
* `a.notn(w)` - not (for the width specified by `w`) (`i`)
### Reduction
* `a.gcd(b)` - GCD
* `a.egcd(b)` - Extended GCD results (`{ a: ..., b: ..., gcd: ... }`)
* `a.invm(b)` - inverse `a` modulo `b`
## Fast reduction
When doing lots of reductions using the same modulo, it might be beneficial to
use some tricks: like [Montgomery multiplication][0], or using special algorithm
for [Mersenne Prime][1].
### Reduction context
To enable this tricks one should create a reduction context:
```js
var red = BN.red(num);
```
where `num` is just a BN instance.
Or:
```js
var red = BN.red(primeName);
```
Where `primeName` is either of these [Mersenne Primes][1]:
* `'k256'`
* `'p224'`
* `'p192'`
* `'p25519'`
Or:
```js
var red = BN.mont(num);
```
To reduce numbers with [Montgomery trick][0]. `.mont()` is generally faster than
`.red(num)`, but slower than `BN.red(primeName)`.
### Converting numbers
Before performing anything in reduction context - numbers should be converted
to it. Usually, this means that one should:
* Convert inputs to reducted ones
* Operate on them in reduction context
* Convert outputs back from the reduction context
Here is how one may convert numbers to `red`:
```js
var redA = a.toRed(red);
```
Where `red` is a reduction context created using instructions above
Here is how to convert them back:
```js
var a = redA.fromRed();
```
### Red instructions
Most of the instructions from the very start of this readme have their
counterparts in red context:
* `a.redAdd(b)`, `a.redIAdd(b)`
* `a.redSub(b)`, `a.redISub(b)`
* `a.redShl(num)`
* `a.redMul(b)`, `a.redIMul(b)`
* `a.redSqr()`, `a.redISqr()`
* `a.redSqrt()` - square root modulo reduction context's prime
* `a.redInvm()` - modular inverse of the number
* `a.redNeg()`
* `a.redPow(b)` - modular exponentiation
## LICENSE
This software is licensed under the MIT License.
Copyright Fedor Indutny, 2015.
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to permit
persons to whom the Software is furnished to do so, subject to the
following conditions:
The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
USE OR OTHER DEALINGS IN THE SOFTWARE.
[0]: https://en.wikipedia.org/wiki/Montgomery_modular_multiplication
[1]: https://en.wikipedia.org/wiki/Mersenne_prime

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{
"_args": [
[
"bn.js@4.11.8",
"X:\\dev\\neard\\www\\github\\ghaction\\ghaction-import-gpg"
]
],
"_from": "bn.js@4.11.8",
"_id": "bn.js@4.11.8",
"_inBundle": false,
"_integrity": "sha512-ItfYfPLkWHUjckQCk8xC+LwxgK8NYcXywGigJgSwOP8Y2iyWT4f2vsZnoOXTTbo+o5yXmIUJ4gn5538SO5S3gA==",
"_location": "/bn.js",
"_phantomChildren": {},
"_requested": {
"type": "version",
"registry": true,
"raw": "bn.js@4.11.8",
"name": "bn.js",
"escapedName": "bn.js",
"rawSpec": "4.11.8",
"saveSpec": null,
"fetchSpec": "4.11.8"
},
"_requiredBy": [
"/asn1.js"
],
"_resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.8.tgz",
"_spec": "4.11.8",
"_where": "X:\\dev\\neard\\www\\github\\ghaction\\ghaction-import-gpg",
"author": {
"name": "Fedor Indutny",
"email": "fedor@indutny.com"
},
"browser": {
"buffer": false
},
"bugs": {
"url": "https://github.com/indutny/bn.js/issues"
},
"description": "Big number implementation in pure javascript",
"devDependencies": {
"istanbul": "^0.3.5",
"mocha": "^2.1.0",
"semistandard": "^7.0.4"
},
"homepage": "https://github.com/indutny/bn.js",
"keywords": [
"BN",
"BigNum",
"Big number",
"Modulo",
"Montgomery"
],
"license": "MIT",
"main": "lib/bn.js",
"name": "bn.js",
"repository": {
"type": "git",
"url": "git+ssh://git@github.com/indutny/bn.js.git"
},
"scripts": {
"lint": "semistandard",
"test": "npm run lint && npm run unit",
"unit": "mocha --reporter=spec test/*-test.js"
},
"version": "4.11.8"
}

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'use strict';
// NOTE: This could be potentionally used to generate loop-less multiplications
function genCombMulTo (alen, blen) {
var len = alen + blen - 1;
var src = [
'var a = self.words;',
'var b = num.words;',
'var o = out.words;',
'var c = 0;',
'var lo;',
'var mid;',
'var hi;'
];
for (var i = 0; i < alen; i++) {
src.push('var a' + i + ' = a[' + i + '] | 0;');
src.push('var al' + i + ' = a' + i + ' & 0x1fff;');
src.push('var ah' + i + ' = a' + i + ' >>> 13;');
}
for (i = 0; i < blen; i++) {
src.push('var b' + i + ' = b[' + i + '] | 0;');
src.push('var bl' + i + ' = b' + i + ' & 0x1fff;');
src.push('var bh' + i + ' = b' + i + ' >>> 13;');
}
src.push('');
src.push('out.negative = self.negative ^ num.negative;');
src.push('out.length = ' + len + ';');
for (var k = 0; k < len; k++) {
var minJ = Math.max(0, k - alen + 1);
var maxJ = Math.min(k, blen - 1);
src.push('\/* k = ' + k + ' *\/');
src.push('var w' + k + ' = c;');
src.push('c = 0;');
for (var j = minJ; j <= maxJ; j++) {
i = k - j;
src.push('lo = Math.imul(al' + i + ', bl' + j + ');');
src.push('mid = Math.imul(al' + i + ', bh' + j + ');');
src.push('mid = (mid + Math.imul(ah' + i + ', bl' + j + ')) | 0;');
src.push('hi = Math.imul(ah' + i + ', bh' + j + ');');
src.push('w' + k + ' = (w' + k + ' + lo) | 0;');
src.push('w' + k + ' = (w' + k + ' + ((mid & 0x1fff) << 13)) | 0;');
src.push('c = (c + hi) | 0;');
src.push('c = (c + (mid >>> 13)) | 0;');
src.push('c = (c + (w' + k + ' >>> 26)) | 0;');
src.push('w' + k + ' &= 0x3ffffff;');
}
}
// Store in separate step for better memory access
for (k = 0; k < len; k++) {
src.push('o[' + k + '] = w' + k + ';');
}
src.push('if (c !== 0) {',
' o[' + k + '] = c;',
' out.length++;',
'}',
'return out;');
return src.join('\n');
}
console.log(genCombMulTo(10, 10));

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'use strict';
function genCombMulTo (alen, blen) {
var len = alen + blen - 1;
var src = [
'var a = self.words;',
'var b = num.words;',
'var o = out.words;',
'var c = 0;',
'var lo;',
'var mid;',
'var hi;'
];
for (var i = 0; i < alen; i++) {
src.push('var a' + i + ' = a[' + i + '] | 0;');
src.push('var al' + i + ' = a' + i + ' & 0x1fff;');
src.push('var ah' + i + ' = a' + i + ' >>> 13;');
}
for (i = 0; i < blen; i++) {
src.push('var b' + i + ' = b[' + i + '] | 0;');
src.push('var bl' + i + ' = b' + i + ' & 0x1fff;');
src.push('var bh' + i + ' = b' + i + ' >>> 13;');
}
src.push('');
src.push('out.negative = self.negative ^ num.negative;');
src.push('out.length = ' + len + ';');
for (var k = 0; k < len; k++) {
var minJ = Math.max(0, k - alen + 1);
var maxJ = Math.min(k, blen - 1);
src.push('\/* k = ' + k + ' *\/');
src.push('lo = Math.imul(al' + (k - minJ) + ', bl' + minJ + ');');
src.push('mid = Math.imul(al' + (k - minJ) + ', bh' + minJ + ');');
src.push(
'mid = (mid + Math.imul(ah' + (k - minJ) + ', bl' + minJ + ')) | 0;');
src.push('hi = Math.imul(ah' + (k - minJ) + ', bh' + minJ + ');');
for (var j = minJ + 1; j <= maxJ; j++) {
i = k - j;
src.push('lo = (lo + Math.imul(al' + i + ', bl' + j + ')) | 0;');
src.push('mid = (mid + Math.imul(al' + i + ', bh' + j + ')) | 0;');
src.push('mid = (mid + Math.imul(ah' + i + ', bl' + j + ')) | 0;');
src.push('hi = (hi + Math.imul(ah' + i + ', bh' + j + ')) | 0;');
}
src.push('var w' + k + ' = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;');
src.push('c = (((hi + (mid >>> 13)) | 0) + (w' + k + ' >>> 26)) | 0;');
src.push('w' + k + ' &= 0x3ffffff;');
}
// Store in separate step for better memory access
for (k = 0; k < len; k++) {
src.push('o[' + k + '] = w' + k + ';');
}
src.push('if (c !== 0) {',
' o[' + k + '] = c;',
' out.length++;',
'}',
'return out;');
return src.join('\n');
}
console.log(genCombMulTo(10, 10));