crypto-es/dist/rabbit.cjs.map

A cryptography algorithms library compatible with ES6 and TypeScript

{"version":3,"file":"rabbit.cjs","names":["S: number[]","C_: number[]","G: number[]","StreamCipher","Rabbit: CipherObj"],"sources":["../src/rabbit.ts"],"sourcesContent":["import {\n  StreamCipher,\n  CipherObj,\n  CipherCfg,\n  WordArray,\n} from './cipher-core';\n\n// Reusable objects\nconst S: number[] = [];\nconst C_: number[] = [];\nconst G: number[] = [];\n\nfunction nextState(this: RabbitAlgo): void {\n  // Shortcuts\n  const X = this._X;\n  const C = this._C;\n\n  // Save old counter values\n  for (let i = 0; i < 8; i += 1) {\n    C_[i] = C[i];\n  }\n\n  // Calculate new counter values\n  C[0] = (C[0] + 0x4d34d34d + this._b) | 0;\n  C[1] = (C[1] + 0xd34d34d3 + ((C[0] >>> 0) < (C_[0] >>> 0) ? 1 : 0)) | 0;\n  C[2] = (C[2] + 0x34d34d34 + ((C[1] >>> 0) < (C_[1] >>> 0) ? 1 : 0)) | 0;\n  C[3] = (C[3] + 0x4d34d34d + ((C[2] >>> 0) < (C_[2] >>> 0) ? 1 : 0)) | 0;\n  C[4] = (C[4] + 0xd34d34d3 + ((C[3] >>> 0) < (C_[3] >>> 0) ? 1 : 0)) | 0;\n  C[5] = (C[5] + 0x34d34d34 + ((C[4] >>> 0) < (C_[4] >>> 0) ? 1 : 0)) | 0;\n  C[6] = (C[6] + 0x4d34d34d + ((C[5] >>> 0) < (C_[5] >>> 0) ? 1 : 0)) | 0;\n  C[7] = (C[7] + 0xd34d34d3 + ((C[6] >>> 0) < (C_[6] >>> 0) ? 1 : 0)) | 0;\n  this._b = (C[7] >>> 0) < (C_[7] >>> 0) ? 1 : 0;\n\n  // Calculate the g-values\n  for (let i = 0; i < 8; i += 1) {\n    const gx = X[i] + C[i];\n\n    // Construct high and low argument for squaring\n    const ga = gx & 0xffff;\n    const gb = gx >>> 16;\n\n    // Calculate high and low result of squaring\n    const gh = ((((ga * ga) >>> 17) + ga * gb) >>> 15) + gb * gb;\n    const gl = (((gx & 0xffff0000) * gx) | 0) + (((gx & 0x0000ffff) * gx) | 0);\n\n    // High XOR low\n    G[i] = gh ^ gl;\n  }\n\n  // Calculate new state values\n  X[0] = (G[0] + ((G[7] << 16) | (G[7] >>> 16)) + ((G[6] << 16) | (G[6] >>> 16))) | 0;\n  X[1] = (G[1] + ((G[0] << 8) | (G[0] >>> 24)) + G[7]) | 0;\n  X[2] = (G[2] + ((G[1] << 16) | (G[1] >>> 16)) + ((G[0] << 16) | (G[0] >>> 16))) | 0;\n  X[3] = (G[3] + ((G[2] << 8) | (G[2] >>> 24)) + G[1]) | 0;\n  X[4] = (G[4] + ((G[3] << 16) | (G[3] >>> 16)) + ((G[2] << 16) | (G[2] >>> 16))) | 0;\n  X[5] = (G[5] + ((G[4] << 8) | (G[4] >>> 24)) + G[3]) | 0;\n  X[6] = (G[6] + ((G[5] << 16) | (G[5] >>> 16)) + ((G[4] << 16) | (G[4] >>> 16))) | 0;\n  X[7] = (G[7] + ((G[6] << 8) | (G[6] >>> 24)) + G[5]) | 0;\n}\n\n/**\n * Rabbit stream cipher algorithm\n */\nexport class RabbitAlgo extends StreamCipher {\n  protected _X!: number[];\n  protected _C!: number[];\n  protected _b!: number;\n  \n  static readonly ivSize = 64 / 32;\n\n  constructor(xformMode: number, key: WordArray, cfg?: CipherCfg) {\n    super(xformMode, key, cfg);\n\n    this.blockSize = 128 / 32;\n  }\n\n  protected _doReset(): void {\n    // Shortcuts\n    const K = this._key.words;\n    const { iv } = this.cfg;\n\n    // Swap endian\n    for (let i = 0; i < 4; i += 1) {\n      K[i] = (((K[i] << 8) | (K[i] >>> 24)) & 0x00ff00ff)\n        | (((K[i] << 24) | (K[i] >>> 8)) & 0xff00ff00);\n    }\n\n    // Generate initial state values\n    this._X = [\n      K[0], (K[3] << 16) | (K[2] >>> 16),\n      K[1], (K[0] << 16) | (K[3] >>> 16),\n      K[2], (K[1] << 16) | (K[0] >>> 16),\n      K[3], (K[2] << 16) | (K[1] >>> 16),\n    ];\n    const X = this._X;\n\n    // Generate initial counter values\n    this._C = [\n      (K[2] << 16) | (K[2] >>> 16), (K[0] & 0xffff0000) | (K[1] & 0x0000ffff),\n      (K[3] << 16) | (K[3] >>> 16), (K[1] & 0xffff0000) | (K[2] & 0x0000ffff),\n      (K[0] << 16) | (K[0] >>> 16), (K[2] & 0xffff0000) | (K[3] & 0x0000ffff),\n      (K[1] << 16) | (K[1] >>> 16), (K[3] & 0xffff0000) | (K[0] & 0x0000ffff),\n    ];\n    const C = this._C;\n\n    // Carry bit\n    this._b = 0;\n\n    // Iterate the system four times\n    for (let i = 0; i < 4; i += 1) {\n      nextState.call(this);\n    }\n\n    // Modify the counters\n    for (let i = 0; i < 8; i += 1) {\n      C[i] ^= X[(i + 4) & 7];\n    }\n\n    // IV setup\n    if (iv) {\n      // Shortcuts\n      const IV = iv.words;\n      const IV_0 = IV[0];\n      const IV_1 = IV[1];\n\n      // Generate four subvectors\n      const i0 = (((IV_0 << 8) | (IV_0 >>> 24)) & 0x00ff00ff)\n        | (((IV_0 << 24) | (IV_0 >>> 8)) & 0xff00ff00);\n      const i2 = (((IV_1 << 8) | (IV_1 >>> 24)) & 0x00ff00ff)\n        | (((IV_1 << 24) | (IV_1 >>> 8)) & 0xff00ff00);\n      const i1 = (i0 >>> 16) | (i2 & 0xffff0000);\n      const i3 = (i2 << 16) | (i0 & 0x0000ffff);\n\n      // Modify counter values\n      C[0] ^= i0;\n      C[1] ^= i1;\n      C[2] ^= i2;\n      C[3] ^= i3;\n      C[4] ^= i0;\n      C[5] ^= i1;\n      C[6] ^= i2;\n      C[7] ^= i3;\n\n      // Iterate the system four times\n      for (let i = 0; i < 4; i += 1) {\n        nextState.call(this);\n      }\n    }\n  }\n\n  protected _doProcessBlock(M: number[], offset: number): void {\n    const _M = M;\n\n    // Shortcut\n    const X = this._X;\n\n    // Iterate the system\n    nextState.call(this);\n\n    // Generate four keystream words\n    S[0] = X[0] ^ (X[5] >>> 16) ^ (X[3] << 16);\n    S[1] = X[2] ^ (X[7] >>> 16) ^ (X[5] << 16);\n    S[2] = X[4] ^ (X[1] >>> 16) ^ (X[7] << 16);\n    S[3] = X[6] ^ (X[3] >>> 16) ^ (X[1] << 16);\n\n    for (let i = 0; i < 4; i += 1) {\n      // Swap endian\n      S[i] = (((S[i] << 8) | (S[i] >>> 24)) & 0x00ff00ff)\n        | (((S[i] << 24) | (S[i] >>> 8)) & 0xff00ff00);\n\n      // Encrypt\n      _M[offset + i] ^= S[i];\n    }\n  }\n}\n\n/**\n * Shortcut functions to the cipher's object interface.\n *\n * @example\n *\n *     var ciphertext = CryptoJS.Rabbit.encrypt(message, key, cfg);\n *     var plaintext  = CryptoJS.Rabbit.decrypt(ciphertext, key, cfg);\n */\nexport const Rabbit: CipherObj = StreamCipher._createHelper(RabbitAlgo);"],"mappings":";;;AAQA,MAAMA,IAAc,EAAE;AACtB,MAAMC,KAAe,EAAE;AACvB,MAAMC,IAAc,EAAE;AAEtB,SAAS,YAAkC;CAEzC,MAAM,IAAI,KAAK;CACf,MAAM,IAAI,KAAK;AAGf,MAAK,IAAI,IAAI,GAAG,IAAI,GAAG,KAAK,EAC1B,IAAG,KAAK,EAAE;AAIZ,GAAE,KAAM,EAAE,KAAK,aAAa,KAAK,KAAM;AACvC,GAAE,KAAM,EAAE,KAAK,cAAe,EAAE,OAAO,IAAM,GAAG,OAAO,IAAK,IAAI,KAAM;AACtE,GAAE,KAAM,EAAE,KAAK,aAAe,EAAE,OAAO,IAAM,GAAG,OAAO,IAAK,IAAI,KAAM;AACtE,GAAE,KAAM,EAAE,KAAK,cAAe,EAAE,OAAO,IAAM,GAAG,OAAO,IAAK,IAAI,KAAM;AACtE,GAAE,KAAM,EAAE,KAAK,cAAe,EAAE,OAAO,IAAM,GAAG,OAAO,IAAK,IAAI,KAAM;AACtE,GAAE,KAAM,EAAE,KAAK,aAAe,EAAE,OAAO,IAAM,GAAG,OAAO,IAAK,IAAI,KAAM;AACtE,GAAE,KAAM,EAAE,KAAK,cAAe,EAAE,OAAO,IAAM,GAAG,OAAO,IAAK,IAAI,KAAM;AACtE,GAAE,KAAM,EAAE,KAAK,cAAe,EAAE,OAAO,IAAM,GAAG,OAAO,IAAK,IAAI,KAAM;AACtE,MAAK,KAAM,EAAE,OAAO,IAAM,GAAG,OAAO,IAAK,IAAI;AAG7C,MAAK,IAAI,IAAI,GAAG,IAAI,GAAG,KAAK,GAAG;EAC7B,MAAM,KAAK,EAAE,KAAK,EAAE;EAGpB,MAAM,KAAK,KAAK;EAChB,MAAM,KAAK,OAAO;EAGlB,MAAM,OAAS,KAAK,OAAQ,MAAM,KAAK,OAAQ,MAAM,KAAK;EAC1D,MAAM,OAAQ,KAAK,cAAc,KAAM,OAAQ,KAAK,SAAc,KAAM;AAGxE,IAAE,KAAK,KAAK;CACb;AAGD,GAAE,KAAM,EAAE,MAAO,EAAE,MAAM,KAAO,EAAE,OAAO,OAAS,EAAE,MAAM,KAAO,EAAE,OAAO,MAAQ;AAClF,GAAE,KAAM,EAAE,MAAO,EAAE,MAAM,IAAM,EAAE,OAAO,MAAO,EAAE,KAAM;AACvD,GAAE,KAAM,EAAE,MAAO,EAAE,MAAM,KAAO,EAAE,OAAO,OAAS,EAAE,MAAM,KAAO,EAAE,OAAO,MAAQ;AAClF,GAAE,KAAM,EAAE,MAAO,EAAE,MAAM,IAAM,EAAE,OAAO,MAAO,EAAE,KAAM;AACvD,GAAE,KAAM,EAAE,MAAO,EAAE,MAAM,KAAO,EAAE,OAAO,OAAS,EAAE,MAAM,KAAO,EAAE,OAAO,MAAQ;AAClF,GAAE,KAAM,EAAE,MAAO,EAAE,MAAM,IAAM,EAAE,OAAO,MAAO,EAAE,KAAM;AACvD,GAAE,KAAM,EAAE,MAAO,EAAE,MAAM,KAAO,EAAE,OAAO,OAAS,EAAE,MAAM,KAAO,EAAE,OAAO,MAAQ;AAClF,GAAE,KAAM,EAAE,MAAO,EAAE,MAAM,IAAM,EAAE,OAAO,MAAO,EAAE,KAAM;AACxD;;;;AAKD,IAAa,aAAb,cAAgCC,iCAAa;CAC3C,AAAU;CACV,AAAU;CACV,AAAU;CAEV,OAAgB,SAAS,KAAK;CAE9B,YAAY,WAAmB,KAAgB,KAAiB;AAC9D,QAAM,WAAW,KAAK;AAEtB,OAAK,YAAY,MAAM;CACxB;CAED,AAAU,WAAiB;EAEzB,MAAM,IAAI,KAAK,KAAK;EACpB,MAAM,EAAE,IAAI,GAAG,KAAK;AAGpB,OAAK,IAAI,IAAI,GAAG,IAAI,GAAG,KAAK,EAC1B,GAAE,MAAQ,EAAE,MAAM,IAAM,EAAE,OAAO,MAAO,YACjC,EAAE,MAAM,KAAO,EAAE,OAAO,KAAM;AAIvC,OAAK,KAAK;GACR,EAAE;GAAK,EAAE,MAAM,KAAO,EAAE,OAAO;GAC/B,EAAE;GAAK,EAAE,MAAM,KAAO,EAAE,OAAO;GAC/B,EAAE;GAAK,EAAE,MAAM,KAAO,EAAE,OAAO;GAC/B,EAAE;GAAK,EAAE,MAAM,KAAO,EAAE,OAAO;GAChC;EACD,MAAM,IAAI,KAAK;AAGf,OAAK,KAAK;GACP,EAAE,MAAM,KAAO,EAAE,OAAO;GAAM,EAAE,KAAK,aAAe,EAAE,KAAK;GAC3D,EAAE,MAAM,KAAO,EAAE,OAAO;GAAM,EAAE,KAAK,aAAe,EAAE,KAAK;GAC3D,EAAE,MAAM,KAAO,EAAE,OAAO;GAAM,EAAE,KAAK,aAAe,EAAE,KAAK;GAC3D,EAAE,MAAM,KAAO,EAAE,OAAO;GAAM,EAAE,KAAK,aAAe,EAAE,KAAK;GAC7D;EACD,MAAM,IAAI,KAAK;AAGf,OAAK,KAAK;AAGV,OAAK,IAAI,IAAI,GAAG,IAAI,GAAG,KAAK,EAC1B,WAAU,KAAK;AAIjB,OAAK,IAAI,IAAI,GAAG,IAAI,GAAG,KAAK,EAC1B,GAAE,MAAM,EAAG,IAAI,IAAK;AAItB,MAAI,IAAI;GAEN,MAAM,KAAK,GAAG;GACd,MAAM,OAAO,GAAG;GAChB,MAAM,OAAO,GAAG;GAGhB,MAAM,MAAQ,QAAQ,IAAM,SAAS,MAAO,YACrC,QAAQ,KAAO,SAAS,KAAM;GACrC,MAAM,MAAQ,QAAQ,IAAM,SAAS,MAAO,YACrC,QAAQ,KAAO,SAAS,KAAM;GACrC,MAAM,KAAM,OAAO,KAAO,KAAK;GAC/B,MAAM,KAAM,MAAM,KAAO,KAAK;AAG9B,KAAE,MAAM;AACR,KAAE,MAAM;AACR,KAAE,MAAM;AACR,KAAE,MAAM;AACR,KAAE,MAAM;AACR,KAAE,MAAM;AACR,KAAE,MAAM;AACR,KAAE,MAAM;AAGR,QAAK,IAAI,IAAI,GAAG,IAAI,GAAG,KAAK,EAC1B,WAAU,KAAK;EAElB;CACF;CAED,AAAU,gBAAgB,GAAa,QAAsB;EAC3D,MAAM,KAAK;EAGX,MAAM,IAAI,KAAK;AAGf,YAAU,KAAK;AAGf,IAAE,KAAK,EAAE,KAAM,EAAE,OAAO,KAAO,EAAE,MAAM;AACvC,IAAE,KAAK,EAAE,KAAM,EAAE,OAAO,KAAO,EAAE,MAAM;AACvC,IAAE,KAAK,EAAE,KAAM,EAAE,OAAO,KAAO,EAAE,MAAM;AACvC,IAAE,KAAK,EAAE,KAAM,EAAE,OAAO,KAAO,EAAE,MAAM;AAEvC,OAAK,IAAI,IAAI,GAAG,IAAI,GAAG,KAAK,GAAG;AAE7B,KAAE,MAAQ,EAAE,MAAM,IAAM,EAAE,OAAO,MAAO,YACjC,EAAE,MAAM,KAAO,EAAE,OAAO,KAAM;AAGrC,MAAG,SAAS,MAAM,EAAE;EACrB;CACF;AACF;;;;;;;;;AAUD,MAAaC,SAAoBD,iCAAa,cAAc"}