Skip to content
Permalink
9bfb9ba527
Switch branches/tags

Name already in use

A tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Are you sure you want to create this branch?
Go to file
 
 
Cannot retrieve contributors at this time
1 lines (1 sloc) 4.77 KB
{"version":3,"file":"sha256.browser.js","sourceRoot":"","sources":["../../src/sha256.browser.ts"],"names":[],"mappings":"AAAA,uCAAuC;AACvC,kCAAkC;AAElC,OAAO,EAAE,aAAa,EAAE,cAAc,EAAE,MAAM,kBAAkB,CAAC;AACjE,OAAO,EAAE,WAAW,EAAE,MAAM,OAAO,CAAC;AACpC,OAAO,EAAE,WAAW,EAAE,MAAM,gBAAgB,CAAC;AA6C7C,IAAI,YAAsC,CAAC;AAE3C;;;GAGG;AACH,SAAS,SAAS;IAChB,IAAI,YAAY,EAAE;QAChB,OAAO,YAAY,CAAC;KACrB;IAED,IAAI,CAAC,IAAI,CAAC,MAAM,IAAI,CAAC,IAAI,CAAC,MAAM,CAAC,MAAM,EAAE;QACvC,MAAM,IAAI,KAAK,CAAC,mEAAmE,CAAC,CAAC;KACtF;IAED,YAAY,GAAG,IAAI,CAAC,MAAM,CAAC,MAAM,CAAC;IAClC,OAAO,YAAY,CAAC;AACtB,CAAC;AAED;;;;;GAKG;AACH,MAAM,CAAC,KAAK,UAAU,iBAAiB,CACrC,GAAW,EACX,YAAoB,EACpB,QAA0B;IAE1B,MAAM,MAAM,GAAG,SAAS,EAAE,CAAC;IAC3B,MAAM,QAAQ,GAAG,aAAa,CAAC,GAAG,CAAC,CAAC;IACpC,MAAM,iBAAiB,GAAG,WAAW,CAAC,YAAY,CAAC,CAAC;IAEpD,MAAM,SAAS,GAAG,MAAM,MAAM,CAAC,SAAS,CACtC,KAAK,EACL,QAAQ,EACR;QACE,IAAI,EAAE,MAAM;QACZ,IAAI,EAAE,EAAE,IAAI,EAAE,SAAS,EAAE;KAC1B,EACD,KAAK,EACL,CAAC,MAAM,CAAC,CACT,CAAC;IACF,MAAM,SAAS,GAAG,MAAM,MAAM,CAAC,IAAI,CACjC;QACE,IAAI,EAAE,MAAM;QACZ,IAAI,EAAE,EAAE,IAAI,EAAE,SAAS,EAAE;KAC1B,EACD,SAAS,EACT,iBAAiB,CAClB,CAAC;IAEF,QAAQ,QAAQ,EAAE;QAChB,KAAK,QAAQ;YACX,OAAO,cAAc,CAAC,SAAS,CAAC,CAAC;QACnC,KAAK,KAAK;YACR,OAAO,WAAW,CAAC,SAAS,CAAC,CAAC;KACjC;AACH,CAAC;AAED;;;;GAIG;AACH,MAAM,CAAC,KAAK,UAAU,iBAAiB,CACrC,OAAe,EACf,QAA0B;IAE1B,MAAM,YAAY,GAAG,WAAW,CAAC,OAAO,CAAC,CAAC;IAC1C,MAAM,MAAM,GAAG,MAAM,SAAS,EAAE,CAAC,MAAM,CAAC,EAAE,IAAI,EAAE,SAAS,EAAE,EAAE,YAAY,CAAC,CAAC;IAE3E,QAAQ,QAAQ,EAAE;QAChB,KAAK,QAAQ;YACX,OAAO,cAAc,CAAC,MAAM,CAAC,CAAC;QAChC,KAAK,KAAK;YACR,OAAO,WAAW,CAAC,MAAM,CAAC,CAAC;KAC9B;AACH,CAAC","sourcesContent":["// Copyright (c) Microsoft Corporation.\n// Licensed under the MIT license.\n\nimport { base64ToBytes, bufferToBase64 } from \"./base64.browser\";\nimport { bufferToHex } from \"./hex\";\nimport { utf8ToBytes } from \"./utf8.browser\";\n\n// stubs for browser self.crypto\ninterface JsonWebKey {}\ninterface CryptoKey {}\ntype KeyUsage =\n | \"decrypt\"\n | \"deriveBits\"\n | \"deriveKey\"\n | \"encrypt\"\n | \"sign\"\n | \"unwrapKey\"\n | \"verify\"\n | \"wrapKey\";\ninterface Algorithm {\n name: string;\n}\ninterface SubtleCrypto {\n importKey(\n format: string,\n keyData: JsonWebKey,\n algorithm: HmacImportParams,\n extractable: boolean,\n usage: KeyUsage[]\n ): Promise<CryptoKey>;\n sign(\n algorithm: HmacImportParams,\n key: CryptoKey,\n data: ArrayBufferView | ArrayBuffer\n ): Promise<ArrayBuffer>;\n digest(algorithm: Algorithm, data: ArrayBufferView | ArrayBuffer): Promise<ArrayBuffer>;\n}\ninterface Crypto {\n readonly subtle: SubtleCrypto;\n getRandomValues<T extends ArrayBufferView | null>(array: T): T;\n}\ndeclare const self: {\n crypto: Crypto;\n};\ninterface HmacImportParams {\n name: string;\n hash: Algorithm;\n length?: number;\n}\n\nlet subtleCrypto: SubtleCrypto | undefined;\n\n/**\n * Returns a cached reference to the Web API crypto.subtle object.\n * @internal\n */\nfunction getCrypto(): SubtleCrypto {\n if (subtleCrypto) {\n return subtleCrypto;\n }\n\n if (!self.crypto || !self.crypto.subtle) {\n throw new Error(\"Your browser environment does not support cryptography functions.\");\n }\n\n subtleCrypto = self.crypto.subtle;\n return subtleCrypto;\n}\n\n/**\n * Generates a SHA-256 HMAC signature.\n * @param key - The HMAC key represented as a base64 string, used to generate the cryptographic HMAC hash.\n * @param stringToSign - The data to be signed.\n * @param encoding - The textual encoding to use for the returned HMAC digest.\n */\nexport async function computeSha256Hmac(\n key: string,\n stringToSign: string,\n encoding: \"base64\" | \"hex\"\n): Promise<string> {\n const crypto = getCrypto();\n const keyBytes = base64ToBytes(key);\n const stringToSignBytes = utf8ToBytes(stringToSign);\n\n const cryptoKey = await crypto.importKey(\n \"raw\",\n keyBytes,\n {\n name: \"HMAC\",\n hash: { name: \"SHA-256\" },\n },\n false,\n [\"sign\"]\n );\n const signature = await crypto.sign(\n {\n name: \"HMAC\",\n hash: { name: \"SHA-256\" },\n },\n cryptoKey,\n stringToSignBytes\n );\n\n switch (encoding) {\n case \"base64\":\n return bufferToBase64(signature);\n case \"hex\":\n return bufferToHex(signature);\n }\n}\n\n/**\n * Generates a SHA-256 hash.\n * @param content - The data to be included in the hash.\n * @param encoding - The textual encoding to use for the returned hash.\n */\nexport async function computeSha256Hash(\n content: string,\n encoding: \"base64\" | \"hex\"\n): Promise<string> {\n const contentBytes = utf8ToBytes(content);\n const digest = await getCrypto().digest({ name: \"SHA-256\" }, contentBytes);\n\n switch (encoding) {\n case \"base64\":\n return bufferToBase64(digest);\n case \"hex\":\n return bufferToHex(digest);\n }\n}\n"]}