node-ciphers/dist/des/base/index.mjs.map

Lightweight AES and DES encryption library for Node.js, featuring flexible encoding, multiple cipher modes, and TypeScript support.

{"version":3,"file":"index.mjs","sources":["../../../src/des/base/index.ts"],"sourcesContent":["import {\n    createCipheriv,\n    createDecipheriv,\n} from 'node:crypto';\nimport type { BinaryLike } from 'node:crypto';\nimport type { TransformOptions } from 'node:stream';\n\nimport { BaseCipher } from '../../base';\nimport { availableCiphers } from '../../constants';\nimport type {\n    DesCipherAlgorithm,\n    DesCipherEncodingOptions,\n    DesCipherMode,\n} from '../../types';\n\nconst keyLengthToModePrefixMap: Readonly<Record<number, '' | '-ede3' | '-ede'>> = {\n    8: '',\n    16: '-ede',\n    24: '-ede3',\n};\n\nexport abstract class BaseDesCipher extends BaseCipher {\n    readonly #algorithm: DesCipherAlgorithm;\n    readonly #key: NodeJS.ArrayBufferView;\n\n    constructor(key: BinaryLike, mode: DesCipherMode, encodingOptions?: DesCipherEncodingOptions) {\n        super(encodingOptions);\n        this.#key = this.dataToBuffer(key, this.encodingOptions.key);\n        const desModePrefix = keyLengthToModePrefixMap[this.#key.byteLength];\n        if (desModePrefix === undefined) throw new Error('Invalid key length');\n        this.#algorithm = `des${desModePrefix}-${mode}`;\n        if (!availableCiphers.includes(this.#algorithm)) throw new Error('Invalid algorithm');\n    }\n\n    get algorithm() {\n        return this.#algorithm;\n    }\n\n    protected createCipher(iv: BinaryLike | null, options?: TransformOptions) {\n        return createCipheriv(this.#algorithm, this.#key, iv, options);\n    }\n\n    protected createDecipher(iv: BinaryLike | null, options?: TransformOptions) {\n        return createDecipheriv(this.#algorithm, this.#key, iv, options);\n    }\n}\n"],"names":[],"mappings":";;;;AAeA,MAAM,wBAAwB,GAAoD;AAC9E,IAAA,CAAC,EAAE,EAAE;AACL,IAAA,EAAE,EAAE,MAAM;AACV,IAAA,EAAE,EAAE,OAAO;CACd;AAEK,MAAgB,aAAc,SAAQ,UAAU,CAAA;AACzC,IAAA,UAAU;AACV,IAAA,IAAI;AAEb,IAAA,WAAA,CAAY,GAAe,EAAE,IAAmB,EAAE,eAA0C,EAAA;QACxF,KAAK,CAAC,eAAe,CAAC;AACtB,QAAA,IAAI,CAAC,IAAI,GAAG,IAAI,CAAC,YAAY,CAAC,GAAG,EAAE,IAAI,CAAC,eAAe,CAAC,GAAG,CAAC;QAC5D,MAAM,aAAa,GAAG,wBAAwB,CAAC,IAAI,CAAC,IAAI,CAAC,UAAU,CAAC;QACpE,IAAI,aAAa,KAAK,SAAS;AAAE,YAAA,MAAM,IAAI,KAAK,CAAC,oBAAoB,CAAC;QACtE,IAAI,CAAC,UAAU,GAAG,CAAA,GAAA,EAAM,aAAa,CAAA,CAAA,EAAI,IAAI,EAAE;QAC/C,IAAI,CAAC,gBAAgB,CAAC,QAAQ,CAAC,IAAI,CAAC,UAAU,CAAC;AAAE,YAAA,MAAM,IAAI,KAAK,CAAC,mBAAmB,CAAC;IACzF;AAEA,IAAA,IAAI,SAAS,GAAA;QACT,OAAO,IAAI,CAAC,UAAU;IAC1B;IAEU,YAAY,CAAC,EAAqB,EAAE,OAA0B,EAAA;AACpE,QAAA,OAAO,cAAc,CAAC,IAAI,CAAC,UAAU,EAAE,IAAI,CAAC,IAAI,EAAE,EAAE,EAAE,OAAO,CAAC;IAClE;IAEU,cAAc,CAAC,EAAqB,EAAE,OAA0B,EAAA;AACtE,QAAA,OAAO,gBAAgB,CAAC,IAAI,CAAC,UAAU,EAAE,IAAI,CAAC,IAAI,EAAE,EAAE,EAAE,OAAO,CAAC;IACpE;AACH;;;;"}