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author | 2024-07-25 12:10:39 +0530 | |
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committer | 2024-07-25 12:10:39 +0530 | |
commit | 4f27eefd6ec24a2644e674850f5a2b5d4928b168 (patch) | |
tree | 26067f67ef4d25b2b0d84b26d72432b1cade5825 /backend/node_modules/ecdsa-sig-formatter | |
parent | c00ac1ff51c795d4d93c32e0a913e2cebf917d0c (diff) | |
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diff --git a/backend/node_modules/ecdsa-sig-formatter/CODEOWNERS b/backend/node_modules/ecdsa-sig-formatter/CODEOWNERS deleted file mode 100644 index 4451d3d..0000000 --- a/backend/node_modules/ecdsa-sig-formatter/CODEOWNERS +++ /dev/null @@ -1 +0,0 @@ -* @omsmith diff --git a/backend/node_modules/ecdsa-sig-formatter/LICENSE b/backend/node_modules/ecdsa-sig-formatter/LICENSE deleted file mode 100644 index 8754ed6..0000000 --- a/backend/node_modules/ecdsa-sig-formatter/LICENSE +++ /dev/null @@ -1,201 +0,0 @@ -Apache License - Version 2.0, January 2004 - http://www.apache.org/licenses/ - - TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION - - 1. 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We also recommend that a - file or class name and description of purpose be included on the - same "printed page" as the copyright notice for easier - identification within third-party archives. - - Copyright 2015 D2L Corporation - - Licensed under the Apache License, Version 2.0 (the "License"); - you may not use this file except in compliance with the License. - You may obtain a copy of the License at - - http://www.apache.org/licenses/LICENSE-2.0 - - Unless required by applicable law or agreed to in writing, software - distributed under the License is distributed on an "AS IS" BASIS, - WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - See the License for the specific language governing permissions and - limitations under the License. diff --git a/backend/node_modules/ecdsa-sig-formatter/README.md b/backend/node_modules/ecdsa-sig-formatter/README.md deleted file mode 100644 index daa95d6..0000000 --- a/backend/node_modules/ecdsa-sig-formatter/README.md +++ /dev/null @@ -1,65 +0,0 @@ -# ecdsa-sig-formatter - -[](https://travis-ci.org/Brightspace/node-ecdsa-sig-formatter) [](https://coveralls.io/r/Brightspace/node-ecdsa-sig-formatter) - -Translate between JOSE and ASN.1/DER encodings for ECDSA signatures - -## Install -```sh -npm install ecdsa-sig-formatter --save -``` - -## Usage -```js -var format = require('ecdsa-sig-formatter'); - -var derSignature = '..'; // asn.1/DER encoded ecdsa signature - -var joseSignature = format.derToJose(derSignature); - -``` - -### API - ---- - -#### `.derToJose(Buffer|String signature, String alg)` -> `String` - -Convert the ASN.1/DER encoded signature to a JOSE-style concatenated signature. -Returns a _base64 url_ encoded `String`. - -* If _signature_ is a `String`, it should be _base64_ encoded -* _alg_ must be one of _ES256_, _ES384_ or _ES512_ - ---- - -#### `.joseToDer(Buffer|String signature, String alg)` -> `Buffer` - -Convert the JOSE-style concatenated signature to an ASN.1/DER encoded -signature. Returns a `Buffer` - -* If _signature_ is a `String`, it should be _base64 url_ encoded -* _alg_ must be one of _ES256_, _ES384_ or _ES512_ - -## Contributing - -1. **Fork** the repository. Committing directly against this repository is - highly discouraged. - -2. Make your modifications in a branch, updating and writing new unit tests - as necessary in the `spec` directory. - -3. Ensure that all tests pass with `npm test` - -4. `rebase` your changes against master. *Do not merge*. - -5. Submit a pull request to this repository. Wait for tests to run and someone - to chime in. - -### Code Style - -This repository is configured with [EditorConfig][EditorConfig] and -[ESLint][ESLint] rules. - -[EditorConfig]: http://editorconfig.org/ -[ESLint]: http://eslint.org diff --git a/backend/node_modules/ecdsa-sig-formatter/package.json b/backend/node_modules/ecdsa-sig-formatter/package.json deleted file mode 100644 index 6fb5ebf..0000000 --- a/backend/node_modules/ecdsa-sig-formatter/package.json +++ /dev/null @@ -1,46 +0,0 @@ -{ - "name": "ecdsa-sig-formatter", - "version": "1.0.11", - "description": "Translate ECDSA signatures between ASN.1/DER and JOSE-style concatenation", - "main": "src/ecdsa-sig-formatter.js", - "scripts": { - "check-style": "eslint .", - "pretest": "npm run check-style", - "test": "istanbul cover --root src _mocha -- spec", - "report-cov": "cat ./coverage/lcov.info | coveralls" - }, - "typings": "./src/ecdsa-sig-formatter.d.ts", - "repository": { - "type": "git", - "url": "git+ssh://git@github.com/Brightspace/node-ecdsa-sig-formatter.git" - }, - "keywords": [ - "ecdsa", - "der", - "asn.1", - "jwt", - "jwa", - "jsonwebtoken", - "jose" - ], - "author": "D2L Corporation", - "license": "Apache-2.0", - "bugs": { - "url": "https://github.com/Brightspace/node-ecdsa-sig-formatter/issues" - }, - "homepage": "https://github.com/Brightspace/node-ecdsa-sig-formatter#readme", - "dependencies": { - "safe-buffer": "^5.0.1" - }, - "devDependencies": { - "bench": "^0.3.6", - "chai": "^3.5.0", - "coveralls": "^2.11.9", - "eslint": "^2.12.0", - "eslint-config-brightspace": "^0.2.1", - "istanbul": "^0.4.3", - "jwk-to-pem": "^1.2.5", - "mocha": "^2.5.3", - "native-crypto": "^1.7.0" - } -} diff --git a/backend/node_modules/ecdsa-sig-formatter/src/ecdsa-sig-formatter.d.ts b/backend/node_modules/ecdsa-sig-formatter/src/ecdsa-sig-formatter.d.ts deleted file mode 100644 index 9693aa0..0000000 --- a/backend/node_modules/ecdsa-sig-formatter/src/ecdsa-sig-formatter.d.ts +++ /dev/null @@ -1,17 +0,0 @@ -/// <reference types="node" /> - -declare module "ecdsa-sig-formatter" { - /** - * Convert the ASN.1/DER encoded signature to a JOSE-style concatenated signature. Returns a base64 url encoded String. - * If signature is a String, it should be base64 encoded - * alg must be one of ES256, ES384 or ES512 - */ - export function derToJose(signature: Buffer | string, alg: string): string; - - /** - * Convert the JOSE-style concatenated signature to an ASN.1/DER encoded signature. Returns a Buffer - * If signature is a String, it should be base64 url encoded - * alg must be one of ES256, ES384 or ES512 - */ - export function joseToDer(signature: Buffer | string, alg: string): Buffer -} diff --git a/backend/node_modules/ecdsa-sig-formatter/src/ecdsa-sig-formatter.js b/backend/node_modules/ecdsa-sig-formatter/src/ecdsa-sig-formatter.js deleted file mode 100644 index 38eeb9b..0000000 --- a/backend/node_modules/ecdsa-sig-formatter/src/ecdsa-sig-formatter.js +++ /dev/null @@ -1,187 +0,0 @@ -'use strict'; - -var Buffer = require('safe-buffer').Buffer; - -var getParamBytesForAlg = require('./param-bytes-for-alg'); - -var MAX_OCTET = 0x80, - CLASS_UNIVERSAL = 0, - PRIMITIVE_BIT = 0x20, - TAG_SEQ = 0x10, - TAG_INT = 0x02, - ENCODED_TAG_SEQ = (TAG_SEQ | PRIMITIVE_BIT) | (CLASS_UNIVERSAL << 6), - ENCODED_TAG_INT = TAG_INT | (CLASS_UNIVERSAL << 6); - -function base64Url(base64) { - return base64 - .replace(/=/g, '') - .replace(/\+/g, '-') - .replace(/\//g, '_'); -} - -function signatureAsBuffer(signature) { - if (Buffer.isBuffer(signature)) { - return signature; - } else if ('string' === typeof signature) { - return Buffer.from(signature, 'base64'); - } - - throw new TypeError('ECDSA signature must be a Base64 string or a Buffer'); -} - -function derToJose(signature, alg) { - signature = signatureAsBuffer(signature); - var paramBytes = getParamBytesForAlg(alg); - - // the DER encoded param should at most be the param size, plus a padding - // zero, since due to being a signed integer - var maxEncodedParamLength = paramBytes + 1; - - var inputLength = signature.length; - - var offset = 0; - if (signature[offset++] !== ENCODED_TAG_SEQ) { - throw new Error('Could not find expected "seq"'); - } - - var seqLength = signature[offset++]; - if (seqLength === (MAX_OCTET | 1)) { - seqLength = signature[offset++]; - } - - if (inputLength - offset < seqLength) { - throw new Error('"seq" specified length of "' + seqLength + '", only "' + (inputLength - offset) + '" remaining'); - } - - if (signature[offset++] !== ENCODED_TAG_INT) { - throw new Error('Could not find expected "int" for "r"'); - } - - var rLength = signature[offset++]; - - if (inputLength - offset - 2 < rLength) { - throw new Error('"r" specified length of "' + rLength + '", only "' + (inputLength - offset - 2) + '" available'); - } - - if (maxEncodedParamLength < rLength) { - throw new Error('"r" specified length of "' + rLength + '", max of "' + maxEncodedParamLength + '" is acceptable'); - } - - var rOffset = offset; - offset += rLength; - - if (signature[offset++] !== ENCODED_TAG_INT) { - throw new Error('Could not find expected "int" for "s"'); - } - - var sLength = signature[offset++]; - - if (inputLength - offset !== sLength) { - throw new Error('"s" specified length of "' + sLength + '", expected "' + (inputLength - offset) + '"'); - } - - if (maxEncodedParamLength < sLength) { - throw new Error('"s" specified length of "' + sLength + '", max of "' + maxEncodedParamLength + '" is acceptable'); - } - - var sOffset = offset; - offset += sLength; - - if (offset !== inputLength) { - throw new Error('Expected to consume entire buffer, but "' + (inputLength - offset) + '" bytes remain'); - } - - var rPadding = paramBytes - rLength, - sPadding = paramBytes - sLength; - - var dst = Buffer.allocUnsafe(rPadding + rLength + sPadding + sLength); - - for (offset = 0; offset < rPadding; ++offset) { - dst[offset] = 0; - } - signature.copy(dst, offset, rOffset + Math.max(-rPadding, 0), rOffset + rLength); - - offset = paramBytes; - - for (var o = offset; offset < o + sPadding; ++offset) { - dst[offset] = 0; - } - signature.copy(dst, offset, sOffset + Math.max(-sPadding, 0), sOffset + sLength); - - dst = dst.toString('base64'); - dst = base64Url(dst); - - return dst; -} - -function countPadding(buf, start, stop) { - var padding = 0; - while (start + padding < stop && buf[start + padding] === 0) { - ++padding; - } - - var needsSign = buf[start + padding] >= MAX_OCTET; - if (needsSign) { - --padding; - } - - return padding; -} - -function joseToDer(signature, alg) { - signature = signatureAsBuffer(signature); - var paramBytes = getParamBytesForAlg(alg); - - var signatureBytes = signature.length; - if (signatureBytes !== paramBytes * 2) { - throw new TypeError('"' + alg + '" signatures must be "' + paramBytes * 2 + '" bytes, saw "' + signatureBytes + '"'); - } - - var rPadding = countPadding(signature, 0, paramBytes); - var sPadding = countPadding(signature, paramBytes, signature.length); - var rLength = paramBytes - rPadding; - var sLength = paramBytes - sPadding; - - var rsBytes = 1 + 1 + rLength + 1 + 1 + sLength; - - var shortLength = rsBytes < MAX_OCTET; - - var dst = Buffer.allocUnsafe((shortLength ? 2 : 3) + rsBytes); - - var offset = 0; - dst[offset++] = ENCODED_TAG_SEQ; - if (shortLength) { - // Bit 8 has value "0" - // bits 7-1 give the length. - dst[offset++] = rsBytes; - } else { - // Bit 8 of first octet has value "1" - // bits 7-1 give the number of additional length octets. - dst[offset++] = MAX_OCTET | 1; - // length, base 256 - dst[offset++] = rsBytes & 0xff; - } - dst[offset++] = ENCODED_TAG_INT; - dst[offset++] = rLength; - if (rPadding < 0) { - dst[offset++] = 0; - offset += signature.copy(dst, offset, 0, paramBytes); - } else { - offset += signature.copy(dst, offset, rPadding, paramBytes); - } - dst[offset++] = ENCODED_TAG_INT; - dst[offset++] = sLength; - if (sPadding < 0) { - dst[offset++] = 0; - signature.copy(dst, offset, paramBytes); - } else { - signature.copy(dst, offset, paramBytes + sPadding); - } - - return dst; -} - -module.exports = { - derToJose: derToJose, - joseToDer: joseToDer -}; diff --git a/backend/node_modules/ecdsa-sig-formatter/src/param-bytes-for-alg.js b/backend/node_modules/ecdsa-sig-formatter/src/param-bytes-for-alg.js deleted file mode 100644 index 9fe67ac..0000000 --- a/backend/node_modules/ecdsa-sig-formatter/src/param-bytes-for-alg.js +++ /dev/null @@ -1,23 +0,0 @@ -'use strict'; - -function getParamSize(keySize) { - var result = ((keySize / 8) | 0) + (keySize % 8 === 0 ? 0 : 1); - return result; -} - -var paramBytesForAlg = { - ES256: getParamSize(256), - ES384: getParamSize(384), - ES512: getParamSize(521) -}; - -function getParamBytesForAlg(alg) { - var paramBytes = paramBytesForAlg[alg]; - if (paramBytes) { - return paramBytes; - } - - throw new Error('Unknown algorithm "' + alg + '"'); -} - -module.exports = getParamBytesForAlg; |