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1"use strict";

3const CATEGORIES = Object.freeze({

4 recommended: "Recommended / Cryptographic",

5 xof: "XOF",

6 legacy: "Legacy Cryptographic",

7 broken: "Broken / Compatibility only",

8 fast: "Fast non-cryptographic",

9 checksums: "Checksums"

10});

12const definitions = [

13 ["sha224", "SHA-224", "legacy", 224, "node-crypto"],

14 ["sha256", "SHA-256", "recommended", 256, "node-crypto"],

15 ["sha384", "SHA-384", "recommended", 384, "node-crypto"],

16 ["sha512", "SHA-512", "recommended", 512, "node-crypto"],

17 ["sha512-224", "SHA-512/224", "recommended", 224, "noble-hashes"],

18 ["sha512-256", "SHA-512/256", "recommended", 256, "node-crypto"],

19 ["sha3-224", "SHA3-224", "recommended", 224, "noble-hashes"],

20 ["sha3-256", "SHA3-256", "recommended", 256, "noble-hashes"],

21 ["sha3-384", "SHA3-384", "recommended", 384, "noble-hashes"],

22 ["sha3-512", "SHA3-512", "recommended", 512, "noble-hashes"],

23 ["shake128", "SHAKE128", "xof", null, "noble-hashes", { xof: { defaultBytes: 32, minBytes: 16, maxBytes: 1024 } }],

24 ["shake256", "SHAKE256", "xof", null, "noble-hashes", { xof: { defaultBytes: 64, minBytes: 16, maxBytes: 1024 } }],

25 ["blake2b-512", "BLAKE2b-512", "recommended", 512, "noble-hashes"],

26 ["blake2s-256", "BLAKE2s-256", "recommended", 256, "noble-hashes"],

27 ["blake3", "BLAKE3", "recommended", 256, "hash-wasm"],

  ["kangaroo-twelve", "KangarooTwelve", "xof", null, "noble-hashes", { xof: { defaultBytes: 32, minBytes: 16, maxBytes: 1024 } }],

29 ["ripemd160", "RIPEMD-160", "legacy", 160, "node-crypto"],

30 ["whirlpool", "Whirlpool", "legacy", 512, "hash-wasm"],

31 ["tiger", "Tiger", "legacy", 192, "bundled-js"],

32 ["tiger2", "Tiger2", "legacy", 192, "bundled-js"],

33 ["md5", "MD5", "broken", 128, "node-crypto"],

34 ["sha1", "SHA-1", "broken", 160, "node-crypto"],

35 ["xxh32", "XXH32", "fast", 32, "hash-wasm", { seeded: true, seedBits: 32 }],

36 ["xxh64", "XXH64", "fast", 64, "hash-wasm", { seeded: true, seedBits: 64 }],

37 ["xxh3-64", "XXH3-64", "fast", 64, "hash-wasm", { seeded: true, seedBits: 64 }],

38 ["xxh3-128", "XXH3-128", "fast", 128, "hash-wasm", { seeded: true, seedBits: 64 }],

39 ["murmur3-x86-32", "MurmurHash3 x86 32", "fast", 32, "bundled-js", { seeded: true, seedBits: 32 }],

40 ["murmur3-x86-128", "MurmurHash3 x86 128", "fast", 128, "bundled-js", { seeded: true, seedBits: 32 }],

41 ["murmur3-x64-128", "MurmurHash3 x64 128", "fast", 128, "bundled-js", { seeded: true, seedBits: 32 }],

42 ["cityhash32", "CityHash32", "fast", 32, "bundled-js", { randomAccess: true }],

43 ["cityhash64", "CityHash64", "fast", 64, "bundled-js", { randomAccess: true }],

44 ["cityhash128", "CityHash128", "fast", 128, "bundled-js", { randomAccess: true }],

45 ["farmhash32", "FarmHash32", "fast", 32, "farmhashjs", { randomAccess: true }],

46 ["farmhash64", "FarmHash64", "fast", 64, "farmhashjs", { randomAccess: true }],

47 ["farmhash128", "FarmHash128", "fast", 128, "bundled-js", { randomAccess: true }],

48 ["highwayhash64", "HighwayHash64", "fast", 64, "highwayhasher", { keyed: true, keyBytes: 32 }],

49 ["highwayhash128", "HighwayHash128", "fast", 128, "highwayhasher", { keyed: true, keyBytes: 32 }],

50 ["highwayhash256", "HighwayHash256", "fast", 256, "highwayhasher", { keyed: true, keyBytes: 32 }],

51 ["siphash-2-4", "SipHash-2-4", "fast", 64, "bundled-js", { keyed: true, keyBytes: 16 }],

52 ["fnv1-32", "FNV-1 32", "fast", 32, "bundled-js"],

53 ["fnv1-64", "FNV-1 64", "fast", 64, "bundled-js"],

54 ["fnv1a-32", "FNV-1a 32", "fast", 32, "bundled-js"],

55 ["fnv1a-64", "FNV-1a 64", "fast", 64, "bundled-js"],

  ["crc16-ccitt-false", "CRC-16/CCITT-FALSE", "checksums", 16, "bundled-js", { parameters: "poly=0x1021 init=0xffff refin=false refout=false xorout=0x0000" }],

  ["crc32", "CRC-32/ISO-HDLC", "checksums", 32, "hash-wasm", { parameters: "poly=0x04c11db7 init=0xffffffff refin=true refout=true xorout=0xffffffff" }],

  ["crc32c", "CRC-32C/Castagnoli", "checksums", 32, "hash-wasm", { parameters: "poly=0x1edc6f41 init=0xffffffff refin=true refout=true xorout=0xffffffff" }],

  ["crc64-ecma", "CRC-64/ECMA-182", "checksums", 64, "bundled-js", { parameters: "poly=0x42f0e1eba9ea3693 init=0 refin=false refout=false xorout=0" }],

  ["crc64-xz", "CRC-64/XZ", "checksums", 64, "bundled-js", { parameters: "poly=0x42f0e1eba9ea3693 init=all-ones refin=true refout=true xorout=all-ones" }],

61 ["adler32", "Adler-32", "checksums", 32, "hash-wasm"]

62];

const ALGORITHMS = Object.freeze(definitions.map(([id, name, category, digestBits, backend, extra = {}]) => Object.freeze({

65 id,

66 name,

67 category,

68 categoryName: CATEGORIES[category],

69 digestBits,

70 backend,

71 cryptographic: category === "recommended" || category === "xof" || category === "legacy" || category === "broken",

  securityStatus: category === "broken" ? "broken" : (category === "fast" || category === "checksums" ? "non-cryptographic" : "cryptographic"),

73 supportsStreaming: !extra.randomAccess,

74 ...extra

75})));

76const BY_ID = new Map(ALGORITHMS.map((algorithm) => [algorithm.id, algorithm]));

78function getAlgorithms() {

79 return ALGORITHMS.map((algorithm) => ({ ...algorithm, xof: algorithm.xof ? { ...algorithm.xof } : undefined }));

80}

82function normalizeAlgorithmRequests(input) {

  if (!Array.isArray(input) || input.length < 1 || input.length > ALGORITHMS.length) throw typedError("Select between one and all supported algorithms.", "HASH_INVALID_ALGORITHMS");

84 const seen = new Set();

85 return input.map((source) => {

86 const request = typeof source === "string" ? { id: source } : source;

87 const algorithm = BY_ID.get(String(request?.id || ""));

    if (!algorithm || seen.has(algorithm.id)) throw typedError(`Unsupported or duplicate algorithm: ${request?.id || "<empty>"}`, "HASH_UNSUPPORTED_ALGORITHM");

89 seen.add(algorithm.id);

90 const result = { id: algorithm.id };

91 if (algorithm.xof) {

92 const outputBytes = Number(request.outputBytes ?? algorithm.xof.defaultBytes);

      if (!Number.isSafeInteger(outputBytes) || outputBytes < algorithm.xof.minBytes || outputBytes > algorithm.xof.maxBytes) {

        throw typedError(`${algorithm.name} output must be ${algorithm.xof.minBytes}-${algorithm.xof.maxBytes} bytes.`, "HASH_INVALID_XOF_LENGTH");

95 }

96 result.outputBytes = outputBytes;

97 }

98 if (algorithm.seeded) result.seed = normalizeSeed(request.seed, algorithm.seedBits);

99 if (algorithm.keyed) {

100 const fallback = "00".repeat(algorithm.keyBytes);

101 const keyHex = String(request.keyHex || fallback).trim().toLowerCase();

102

      if (!new RegExp(`^[0-9a-f]{${algorithm.keyBytes * 2}}$`).test(keyHex)) throw typedError(`${algorithm.name} key must be exactly ${algorithm.keyBytes} bytes in hexadecimal.`, "HASH_INVALID_KEY");

103 result.keyHex = keyHex;

104 result.defaultKey = !request.keyHex;

105 }

106 return result;

107 });

108}

109

110function normalizeSeed(value, bits) {

111 if (value === undefined || value === null || String(value).trim() === "") return "0";

112 const source = String(value).trim();

113

  if (!/^(?:0x[0-9a-f]+|[0-9]+)$/i.test(source)) throw typedError("Seed must be an unsigned decimal or 0x-prefixed hexadecimal integer.", "HASH_INVALID_SEED");

114 const seed = BigInt(source);

115

  if (seed < 0n || seed >= (1n << BigInt(bits))) throw typedError(`Seed must fit in ${bits} bits.`, "HASH_INVALID_SEED");

116 return seed.toString();

117}

118

119function typedError(message, code) {

120 const error = new Error(message);

121 error.code = code;

122 return error;

123}

124

125module.exports = { ALGORITHMS, BY_ID, CATEGORIES, getAlgorithms, normalizeAlgorithmRequests, typedError };

126

SHA-256: de6c811c905eadfa04e3aa4166b59fc3f76ef770ffa6060f489ea194626e87e8

SHA-256 archivu: 5ac91caf4fa32a6fdb114f2430deed486fbe7489d5eea343d1f034169fafb5e0