{"version":3,"file":"isVariable-B08mggBy.cjs","names":["u64.split"],"sources":["../src/utils/stableStringify.ts","../../../node_modules/.pnpm/@noble+hashes@2.2.0/node_modules/@noble/hashes/utils.js","../../../node_modules/.pnpm/@noble+hashes@2.2.0/node_modules/@noble/hashes/_md.js","../../../node_modules/.pnpm/@noble+hashes@2.2.0/node_modules/@noble/hashes/_u64.js","../../../node_modules/.pnpm/@noble+hashes@2.2.0/node_modules/@noble/hashes/sha2.js","../src/utils/isVariable.ts"],"sourcesContent":["/**\n * Deterministic JSON stringification with sorted object keys.\n * Drop-in replacement for `fast-json-stable-stringify` for plain\n * JSON-compatible data (no toJSON, no circular references).\n */\nfunction _stringify(node: unknown): string | undefined {\n  if (node === undefined) return undefined;\n  if (node === null) return 'null';\n  if (typeof node === 'number') return isFinite(node) ? '' + node : 'null';\n  if (typeof node !== 'object') return JSON.stringify(node);\n\n  if (Array.isArray(node)) {\n    let out = '[';\n    for (let i = 0; i < node.length; i++) {\n      if (i) out += ',';\n      out += _stringify(node[i]) || 'null';\n    }\n    return out + ']';\n  }\n\n  const keys = Object.keys(node as Record<string, unknown>).sort();\n  let out = '';\n  for (const key of keys) {\n    const value = _stringify((node as Record<string, unknown>)[key]);\n    if (!value) continue;\n    if (out) out += ',';\n    out += JSON.stringify(key) + ':' + value;\n  }\n  return '{' + out + '}';\n}\n\nexport function stableStringify(data: unknown): string {\n  return _stringify(data) ?? '';\n}\n","/**\n * Checks if something is Uint8Array. Be careful: nodejs Buffer will return true.\n * @param a - value to test\n * @returns `true` when the value is a Uint8Array-compatible view.\n * @example\n * Check whether a value is a Uint8Array-compatible view.\n * ```ts\n * isBytes(new Uint8Array([1, 2, 3]));\n * ```\n */\nexport function isBytes(a) {\n    // Plain `instanceof Uint8Array` is too strict for some Buffer / proxy / cross-realm cases.\n    // The fallback still requires a real ArrayBuffer view, so plain\n    // JSON-deserialized `{ constructor: ... }` spoofing is rejected, and\n    // `BYTES_PER_ELEMENT === 1` keeps the fallback on byte-oriented views.\n    return (a instanceof Uint8Array ||\n        (ArrayBuffer.isView(a) &&\n            a.constructor.name === 'Uint8Array' &&\n            'BYTES_PER_ELEMENT' in a &&\n            a.BYTES_PER_ELEMENT === 1));\n}\n/**\n * Asserts something is a non-negative integer.\n * @param n - number to validate\n * @param title - label included in thrown errors\n * @throws On wrong argument types. {@link TypeError}\n * @throws On wrong argument ranges or values. {@link RangeError}\n * @example\n * Validate a non-negative integer option.\n * ```ts\n * anumber(32, 'length');\n * ```\n */\nexport function anumber(n, title = '') {\n    if (typeof n !== 'number') {\n        const prefix = title && `\"${title}\" `;\n        throw new TypeError(`${prefix}expected number, got ${typeof n}`);\n    }\n    if (!Number.isSafeInteger(n) || n < 0) {\n        const prefix = title && `\"${title}\" `;\n        throw new RangeError(`${prefix}expected integer >= 0, got ${n}`);\n    }\n}\n/**\n * Asserts something is Uint8Array.\n * @param value - value to validate\n * @param length - optional exact length constraint\n * @param title - label included in thrown errors\n * @returns The validated byte array.\n * @throws On wrong argument types. {@link TypeError}\n * @throws On wrong argument ranges or values. {@link RangeError}\n * @example\n * Validate that a value is a byte array.\n * ```ts\n * abytes(new Uint8Array([1, 2, 3]));\n * ```\n */\nexport function abytes(value, length, title = '') {\n    const bytes = isBytes(value);\n    const len = value?.length;\n    const needsLen = length !== undefined;\n    if (!bytes || (needsLen && len !== length)) {\n        const prefix = title && `\"${title}\" `;\n        const ofLen = needsLen ? ` of length ${length}` : '';\n        const got = bytes ? `length=${len}` : `type=${typeof value}`;\n        const message = prefix + 'expected Uint8Array' + ofLen + ', got ' + got;\n        if (!bytes)\n            throw new TypeError(message);\n        throw new RangeError(message);\n    }\n    return value;\n}\n/**\n * Copies bytes into a fresh Uint8Array.\n * Buffer-style slices can alias the same backing store, so callers that need ownership should copy.\n * @param bytes - source bytes to clone\n * @returns Freshly allocated copy of `bytes`.\n * @throws On wrong argument types. {@link TypeError}\n * @example\n * Clone a byte array before mutating it.\n * ```ts\n * const copy = copyBytes(new Uint8Array([1, 2, 3]));\n * ```\n */\nexport function copyBytes(bytes) {\n    // `Uint8Array.from(...)` would also accept arrays / other typed arrays. Keep this helper strict\n    // because callers use it at byte-validation boundaries before mutating the detached copy.\n    return Uint8Array.from(abytes(bytes));\n}\n/**\n * Asserts something is a wrapped hash constructor.\n * @param h - hash constructor to validate\n * @throws On wrong argument types or invalid hash wrapper shape. {@link TypeError}\n * @throws On invalid hash metadata ranges or values. {@link RangeError}\n * @throws If the hash metadata allows empty outputs or block sizes. {@link Error}\n * @example\n * Validate a callable hash wrapper.\n * ```ts\n * import { ahash } from '@noble/hashes/utils.js';\n * import { sha256 } from '@noble/hashes/sha2.js';\n * ahash(sha256);\n * ```\n */\nexport function ahash(h) {\n    if (typeof h !== 'function' || typeof h.create !== 'function')\n        throw new TypeError('Hash must wrapped by utils.createHasher');\n    anumber(h.outputLen);\n    anumber(h.blockLen);\n    // HMAC and KDF callers treat these as real byte lengths; allowing zero lets fake wrappers pass\n    // validation and can produce empty outputs instead of failing fast.\n    if (h.outputLen < 1)\n        throw new Error('\"outputLen\" must be >= 1');\n    if (h.blockLen < 1)\n        throw new Error('\"blockLen\" must be >= 1');\n}\n/**\n * Asserts a hash instance has not been destroyed or finished.\n * @param instance - hash instance to validate\n * @param checkFinished - whether to reject finalized instances\n * @throws If the hash instance has already been destroyed or finalized. {@link Error}\n * @example\n * Validate that a hash instance is still usable.\n * ```ts\n * import { aexists } from '@noble/hashes/utils.js';\n * import { sha256 } from '@noble/hashes/sha2.js';\n * const hash = sha256.create();\n * aexists(hash);\n * ```\n */\nexport function aexists(instance, checkFinished = true) {\n    if (instance.destroyed)\n        throw new Error('Hash instance has been destroyed');\n    if (checkFinished && instance.finished)\n        throw new Error('Hash#digest() has already been called');\n}\n/**\n * Asserts output is a sufficiently-sized byte array.\n * @param out - destination buffer\n * @param instance - hash instance providing output length\n * Oversized buffers are allowed; downstream code only promises to fill the first `outputLen` bytes.\n * @throws On wrong argument types. {@link TypeError}\n * @throws On wrong argument ranges or values. {@link RangeError}\n * @example\n * Validate a caller-provided digest buffer.\n * ```ts\n * import { aoutput } from '@noble/hashes/utils.js';\n * import { sha256 } from '@noble/hashes/sha2.js';\n * const hash = sha256.create();\n * aoutput(new Uint8Array(hash.outputLen), hash);\n * ```\n */\nexport function aoutput(out, instance) {\n    abytes(out, undefined, 'digestInto() output');\n    const min = instance.outputLen;\n    if (out.length < min) {\n        throw new RangeError('\"digestInto() output\" expected to be of length >=' + min);\n    }\n}\n/**\n * Casts a typed array view to Uint8Array.\n * @param arr - source typed array\n * @returns Uint8Array view over the same buffer.\n * @example\n * Reinterpret a typed array as bytes.\n * ```ts\n * u8(new Uint32Array([1, 2]));\n * ```\n */\nexport function u8(arr) {\n    return new Uint8Array(arr.buffer, arr.byteOffset, arr.byteLength);\n}\n/**\n * Casts a typed array view to Uint32Array.\n * `arr.byteOffset` must already be 4-byte aligned or the platform\n * Uint32Array constructor will throw.\n * @param arr - source typed array\n * @returns Uint32Array view over the same buffer.\n * @example\n * Reinterpret a byte array as 32-bit words.\n * ```ts\n * u32(new Uint8Array(8));\n * ```\n */\nexport function u32(arr) {\n    return new Uint32Array(arr.buffer, arr.byteOffset, Math.floor(arr.byteLength / 4));\n}\n/**\n * Zeroizes typed arrays in place. Warning: JS provides no guarantees.\n * @param arrays - arrays to overwrite with zeros\n * @example\n * Zeroize sensitive buffers in place.\n * ```ts\n * clean(new Uint8Array([1, 2, 3]));\n * ```\n */\nexport function clean(...arrays) {\n    for (let i = 0; i < arrays.length; i++) {\n        arrays[i].fill(0);\n    }\n}\n/**\n * Creates a DataView for byte-level manipulation.\n * @param arr - source typed array\n * @returns DataView over the same buffer region.\n * @example\n * Create a DataView over an existing buffer.\n * ```ts\n * createView(new Uint8Array(4));\n * ```\n */\nexport function createView(arr) {\n    return new DataView(arr.buffer, arr.byteOffset, arr.byteLength);\n}\n/**\n * Rotate-right operation for uint32 values.\n * @param word - source word\n * @param shift - shift amount in bits\n * @returns Rotated word.\n * @example\n * Rotate a 32-bit word to the right.\n * ```ts\n * rotr(0x12345678, 8);\n * ```\n */\nexport function rotr(word, shift) {\n    return (word << (32 - shift)) | (word >>> shift);\n}\n/**\n * Rotate-left operation for uint32 values.\n * @param word - source word\n * @param shift - shift amount in bits\n * @returns Rotated word.\n * @example\n * Rotate a 32-bit word to the left.\n * ```ts\n * rotl(0x12345678, 8);\n * ```\n */\nexport function rotl(word, shift) {\n    return (word << shift) | ((word >>> (32 - shift)) >>> 0);\n}\n/** Whether the current platform is little-endian. */\nexport const isLE = /* @__PURE__ */ (() => new Uint8Array(new Uint32Array([0x11223344]).buffer)[0] === 0x44)();\n/**\n * Byte-swap operation for uint32 values.\n * @param word - source word\n * @returns Word with reversed byte order.\n * @example\n * Reverse the byte order of a 32-bit word.\n * ```ts\n * byteSwap(0x11223344);\n * ```\n */\nexport function byteSwap(word) {\n    return (((word << 24) & 0xff000000) |\n        ((word << 8) & 0xff0000) |\n        ((word >>> 8) & 0xff00) |\n        ((word >>> 24) & 0xff));\n}\n/**\n * Conditionally byte-swaps one 32-bit word on big-endian platforms.\n * @param n - source word\n * @returns Original or byte-swapped word depending on platform endianness.\n * @example\n * Normalize a 32-bit word for host endianness.\n * ```ts\n * swap8IfBE(0x11223344);\n * ```\n */\nexport const swap8IfBE = isLE\n    ? (n) => n\n    : (n) => byteSwap(n) >>> 0;\n/**\n * Byte-swaps every word of a Uint32Array in place.\n * @param arr - array to mutate\n * @returns The same array after mutation; callers pass live state arrays here.\n * @example\n * Reverse the byte order of every word in place.\n * ```ts\n * byteSwap32(new Uint32Array([0x11223344]));\n * ```\n */\nexport function byteSwap32(arr) {\n    for (let i = 0; i < arr.length; i++) {\n        arr[i] = byteSwap(arr[i]);\n    }\n    return arr;\n}\n/**\n * Conditionally byte-swaps a Uint32Array on big-endian platforms.\n * @param u - array to normalize for host endianness\n * @returns Original or byte-swapped array depending on platform endianness.\n *   On big-endian runtimes this mutates `u` in place via `byteSwap32(...)`.\n * @example\n * Normalize a word array for host endianness.\n * ```ts\n * swap32IfBE(new Uint32Array([0x11223344]));\n * ```\n */\nexport const swap32IfBE = isLE\n    ? (u) => u\n    : byteSwap32;\n// Built-in hex conversion https://caniuse.com/mdn-javascript_builtins_uint8array_fromhex\nconst hasHexBuiltin = /* @__PURE__ */ (() => \n// @ts-ignore\ntypeof Uint8Array.from([]).toHex === 'function' && typeof Uint8Array.fromHex === 'function')();\n// Array where index 0xf0 (240) is mapped to string 'f0'\nconst hexes = /* @__PURE__ */ Array.from({ length: 256 }, (_, i) => i.toString(16).padStart(2, '0'));\n/**\n * Convert byte array to hex string.\n * Uses the built-in function when available and assumes it matches the tested\n * fallback semantics.\n * @param bytes - bytes to encode\n * @returns Lowercase hexadecimal string.\n * @throws On wrong argument types. {@link TypeError}\n * @example\n * Convert bytes to lowercase hexadecimal.\n * ```ts\n * bytesToHex(Uint8Array.from([0xca, 0xfe, 0x01, 0x23])); // 'cafe0123'\n * ```\n */\nexport function bytesToHex(bytes) {\n    abytes(bytes);\n    // @ts-ignore\n    if (hasHexBuiltin)\n        return bytes.toHex();\n    // pre-caching improves the speed 6x\n    let hex = '';\n    for (let i = 0; i < bytes.length; i++) {\n        hex += hexes[bytes[i]];\n    }\n    return hex;\n}\n// We use optimized technique to convert hex string to byte array\nconst asciis = { _0: 48, _9: 57, A: 65, F: 70, a: 97, f: 102 };\nfunction asciiToBase16(ch) {\n    if (ch >= asciis._0 && ch <= asciis._9)\n        return ch - asciis._0; // '2' => 50-48\n    if (ch >= asciis.A && ch <= asciis.F)\n        return ch - (asciis.A - 10); // 'B' => 66-(65-10)\n    if (ch >= asciis.a && ch <= asciis.f)\n        return ch - (asciis.a - 10); // 'b' => 98-(97-10)\n    return;\n}\n/**\n * Convert hex string to byte array. Uses built-in function, when available.\n * @param hex - hexadecimal string to decode\n * @returns Decoded bytes.\n * @throws On wrong argument types. {@link TypeError}\n * @throws On wrong argument ranges or values. {@link RangeError}\n * @example\n * Decode lowercase hexadecimal into bytes.\n * ```ts\n * hexToBytes('cafe0123'); // Uint8Array.from([0xca, 0xfe, 0x01, 0x23])\n * ```\n */\nexport function hexToBytes(hex) {\n    if (typeof hex !== 'string')\n        throw new TypeError('hex string expected, got ' + typeof hex);\n    if (hasHexBuiltin) {\n        try {\n            return Uint8Array.fromHex(hex);\n        }\n        catch (error) {\n            if (error instanceof SyntaxError)\n                throw new RangeError(error.message);\n            throw error;\n        }\n    }\n    const hl = hex.length;\n    const al = hl / 2;\n    if (hl % 2)\n        throw new RangeError('hex string expected, got unpadded hex of length ' + hl);\n    const array = new Uint8Array(al);\n    for (let ai = 0, hi = 0; ai < al; ai++, hi += 2) {\n        const n1 = asciiToBase16(hex.charCodeAt(hi));\n        const n2 = asciiToBase16(hex.charCodeAt(hi + 1));\n        if (n1 === undefined || n2 === undefined) {\n            const char = hex[hi] + hex[hi + 1];\n            throw new RangeError('hex string expected, got non-hex character \"' + char + '\" at index ' + hi);\n        }\n        array[ai] = n1 * 16 + n2; // multiply first octet, e.g. 'a3' => 10*16+3 => 160 + 3 => 163\n    }\n    return array;\n}\n/**\n * There is no setImmediate in browser and setTimeout is slow.\n * This yields to the Promise/microtask scheduler queue, not to timers or the\n * full macrotask event loop.\n * @example\n * Yield to the next scheduler tick.\n * ```ts\n * await nextTick();\n * ```\n */\nexport const nextTick = async () => { };\n/**\n * Returns control to the Promise/microtask scheduler every `tick`\n * milliseconds to avoid blocking long loops.\n * @param iters - number of loop iterations to run\n * @param tick - maximum time slice in milliseconds\n * @param cb - callback executed on each iteration\n * @example\n * Run a loop that periodically yields back to the event loop.\n * ```ts\n * await asyncLoop(2, 0, () => {});\n * ```\n */\nexport async function asyncLoop(iters, tick, cb) {\n    let ts = Date.now();\n    for (let i = 0; i < iters; i++) {\n        cb(i);\n        // Date.now() is not monotonic, so in case if clock goes backwards we return return control too\n        const diff = Date.now() - ts;\n        if (diff >= 0 && diff < tick)\n            continue;\n        await nextTick();\n        ts += diff;\n    }\n}\n/**\n * Converts string to bytes using UTF8 encoding.\n * Built-in doesn't validate input to be string: we do the check.\n * Non-ASCII details are delegated to the platform `TextEncoder`.\n * @param str - string to encode\n * @returns UTF-8 encoded bytes.\n * @throws On wrong argument types. {@link TypeError}\n * @example\n * Encode a string as UTF-8 bytes.\n * ```ts\n * utf8ToBytes('abc'); // Uint8Array.from([97, 98, 99])\n * ```\n */\nexport function utf8ToBytes(str) {\n    if (typeof str !== 'string')\n        throw new TypeError('string expected');\n    return new Uint8Array(new TextEncoder().encode(str)); // https://bugzil.la/1681809\n}\n/**\n * Helper for KDFs: consumes Uint8Array or string.\n * String inputs are UTF-8 encoded; byte-array inputs stay aliased to the caller buffer.\n * @param data - user-provided KDF input\n * @param errorTitle - label included in thrown errors\n * @returns Byte representation of the input.\n * @throws On wrong argument types. {@link TypeError}\n * @example\n * Normalize KDF input to bytes.\n * ```ts\n * kdfInputToBytes('password');\n * ```\n */\nexport function kdfInputToBytes(data, errorTitle = '') {\n    if (typeof data === 'string')\n        return utf8ToBytes(data);\n    return abytes(data, undefined, errorTitle);\n}\n/**\n * Copies several Uint8Arrays into one.\n * @param arrays - arrays to concatenate\n * @returns Concatenated byte array.\n * @throws On wrong argument types. {@link TypeError}\n * @example\n * Concatenate multiple byte arrays.\n * ```ts\n * concatBytes(new Uint8Array([1]), new Uint8Array([2]));\n * ```\n */\nexport function concatBytes(...arrays) {\n    let sum = 0;\n    for (let i = 0; i < arrays.length; i++) {\n        const a = arrays[i];\n        abytes(a);\n        sum += a.length;\n    }\n    const res = new Uint8Array(sum);\n    for (let i = 0, pad = 0; i < arrays.length; i++) {\n        const a = arrays[i];\n        res.set(a, pad);\n        pad += a.length;\n    }\n    return res;\n}\n/**\n * Merges default options and passed options.\n * @param defaults - base option object\n * @param opts - user overrides\n * @returns Merged option object. The merge mutates `defaults` in place.\n * @throws On wrong argument types. {@link TypeError}\n * @example\n * Merge user overrides onto default options.\n * ```ts\n * checkOpts({ dkLen: 32 }, { asyncTick: 10 });\n * ```\n */\nexport function checkOpts(defaults, opts) {\n    if (opts !== undefined && {}.toString.call(opts) !== '[object Object]')\n        throw new TypeError('options must be object or undefined');\n    const merged = Object.assign(defaults, opts);\n    return merged;\n}\n/**\n * Creates a callable hash function from a stateful class constructor.\n * @param hashCons - hash constructor or factory\n * @param info - optional metadata such as DER OID\n * @returns Frozen callable hash wrapper with `.create()`.\n *   Wrapper construction eagerly calls `hashCons(undefined)` once to read\n *   `outputLen` / `blockLen`, so constructor side effects happen at module\n *   init time.\n * @example\n * Wrap a stateful hash constructor into a callable helper.\n * ```ts\n * import { createHasher } from '@noble/hashes/utils.js';\n * import { sha256 } from '@noble/hashes/sha2.js';\n * const wrapped = createHasher(sha256.create, { oid: sha256.oid });\n * wrapped(new Uint8Array([1]));\n * ```\n */\nexport function createHasher(hashCons, info = {}) {\n    const hashC = (msg, opts) => hashCons(opts)\n        .update(msg)\n        .digest();\n    const tmp = hashCons(undefined);\n    hashC.outputLen = tmp.outputLen;\n    hashC.blockLen = tmp.blockLen;\n    hashC.canXOF = tmp.canXOF;\n    hashC.create = (opts) => hashCons(opts);\n    Object.assign(hashC, info);\n    return Object.freeze(hashC);\n}\n/**\n * Cryptographically secure PRNG backed by `crypto.getRandomValues`.\n * @param bytesLength - number of random bytes to generate\n * @returns Random bytes.\n * The platform `getRandomValues()` implementation still defines any\n * single-call length cap, and this helper rejects oversize requests\n * with a stable library `RangeError` instead of host-specific errors.\n * @throws On wrong argument types. {@link TypeError}\n * @throws On wrong argument ranges or values. {@link RangeError}\n * @throws If the current runtime does not provide `crypto.getRandomValues`. {@link Error}\n * @example\n * Generate a fresh random key or nonce.\n * ```ts\n * const key = randomBytes(16);\n * ```\n */\nexport function randomBytes(bytesLength = 32) {\n    // Match the repo's other length-taking helpers instead of relying on Uint8Array coercion.\n    anumber(bytesLength, 'bytesLength');\n    const cr = typeof globalThis === 'object' ? globalThis.crypto : null;\n    if (typeof cr?.getRandomValues !== 'function')\n        throw new Error('crypto.getRandomValues must be defined');\n    // Web Cryptography API Level 2 §10.1.1:\n    // if `byteLength > 65536`, throw `QuotaExceededError`.\n    // Keep the guard explicit so callers can see the quota in code\n    // instead of discovering it by reading the spec or host errors.\n    // This wrapper surfaces the same quota as a stable library RangeError.\n    if (bytesLength > 65536)\n        throw new RangeError(`\"bytesLength\" expected <= 65536, got ${bytesLength}`);\n    return cr.getRandomValues(new Uint8Array(bytesLength));\n}\n/**\n * Creates OID metadata for NIST hashes with prefix `06 09 60 86 48 01 65 03 04 02`.\n * @param suffix - final OID byte for the selected hash.\n *   The helper accepts any byte even though only the documented NIST hash\n *   suffixes are meaningful downstream.\n * @returns Object containing the DER-encoded OID.\n * @example\n * Build OID metadata for a NIST hash.\n * ```ts\n * oidNist(0x01);\n * ```\n */\nexport const oidNist = (suffix) => ({\n    // Current NIST hashAlgs suffixes used here fit in one DER subidentifier octet.\n    // Larger suffix values would need base-128 OID encoding and a different length byte.\n    oid: Uint8Array.from([0x06, 0x09, 0x60, 0x86, 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, suffix]),\n});\n//# sourceMappingURL=utils.js.map","/**\n * Internal Merkle-Damgard hash utils.\n * @module\n */\nimport { abytes, aexists, aoutput, clean, createView, } from \"./utils.js\";\n/**\n * Shared 32-bit conditional boolean primitive reused by SHA-256, SHA-1, and MD5 `F`.\n * Returns bits from `b` when `a` is set, otherwise from `c`.\n * The XOR form is equivalent to MD5's `F(X,Y,Z) = XY v not(X)Z` because the masked terms never\n * set the same bit.\n * @param a - selector word\n * @param b - word chosen when selector bit is set\n * @param c - word chosen when selector bit is clear\n * @returns Mixed 32-bit word.\n * @example\n * Combine three words with the shared 32-bit choice primitive.\n * ```ts\n * Chi(0xffffffff, 0x12345678, 0x87654321);\n * ```\n */\nexport function Chi(a, b, c) {\n    return (a & b) ^ (~a & c);\n}\n/**\n * Shared 32-bit majority primitive reused by SHA-256 and SHA-1.\n * Returns bits shared by at least two inputs.\n * @param a - first input word\n * @param b - second input word\n * @param c - third input word\n * @returns Mixed 32-bit word.\n * @example\n * Combine three words with the shared 32-bit majority primitive.\n * ```ts\n * Maj(0xffffffff, 0x12345678, 0x87654321);\n * ```\n */\nexport function Maj(a, b, c) {\n    return (a & b) ^ (a & c) ^ (b & c);\n}\n/**\n * Merkle-Damgard hash construction base class.\n * Could be used to create MD5, RIPEMD, SHA1, SHA2.\n * Accepts only byte-aligned `Uint8Array` input, even when the underlying spec describes bit\n * strings with partial-byte tails.\n * @param blockLen - internal block size in bytes\n * @param outputLen - digest size in bytes\n * @param padOffset - trailing length field size in bytes\n * @param isLE - whether length and state words are encoded in little-endian\n * @example\n * Use a concrete subclass to get the shared Merkle-Damgard update/digest flow.\n * ```ts\n * import { _SHA1 } from '@noble/hashes/legacy.js';\n * const hash = new _SHA1();\n * hash.update(new Uint8Array([97, 98, 99]));\n * hash.digest();\n * ```\n */\nexport class HashMD {\n    blockLen;\n    outputLen;\n    canXOF = false;\n    padOffset;\n    isLE;\n    // For partial updates less than block size\n    buffer;\n    view;\n    finished = false;\n    length = 0;\n    pos = 0;\n    destroyed = false;\n    constructor(blockLen, outputLen, padOffset, isLE) {\n        this.blockLen = blockLen;\n        this.outputLen = outputLen;\n        this.padOffset = padOffset;\n        this.isLE = isLE;\n        this.buffer = new Uint8Array(blockLen);\n        this.view = createView(this.buffer);\n    }\n    update(data) {\n        aexists(this);\n        abytes(data);\n        const { view, buffer, blockLen } = this;\n        const len = data.length;\n        for (let pos = 0; pos < len;) {\n            const take = Math.min(blockLen - this.pos, len - pos);\n            // Fast path only when there is no buffered partial block: `take === blockLen` implies\n            // `this.pos === 0`, so we can process full blocks directly from the input view.\n            if (take === blockLen) {\n                const dataView = createView(data);\n                for (; blockLen <= len - pos; pos += blockLen)\n                    this.process(dataView, pos);\n                continue;\n            }\n            buffer.set(data.subarray(pos, pos + take), this.pos);\n            this.pos += take;\n            pos += take;\n            if (this.pos === blockLen) {\n                this.process(view, 0);\n                this.pos = 0;\n            }\n        }\n        this.length += data.length;\n        this.roundClean();\n        return this;\n    }\n    digestInto(out) {\n        aexists(this);\n        aoutput(out, this);\n        this.finished = true;\n        // Padding\n        // We can avoid allocation of buffer for padding completely if it\n        // was previously not allocated here. But it won't change performance.\n        const { buffer, view, blockLen, isLE } = this;\n        let { pos } = this;\n        // append the bit '1' to the message\n        buffer[pos++] = 0b10000000;\n        clean(this.buffer.subarray(pos));\n        // we have less than padOffset left in buffer, so we cannot put length in\n        // current block, need process it and pad again\n        if (this.padOffset > blockLen - pos) {\n            this.process(view, 0);\n            pos = 0;\n        }\n        // Pad until full block byte with zeros\n        for (let i = pos; i < blockLen; i++)\n            buffer[i] = 0;\n        // `padOffset` reserves the whole length field. For SHA-384/512 the high 64 bits stay zero from\n        // the padding fill above, and JS will overflow before user input can make that half non-zero.\n        // So we only need to write the low 64 bits here.\n        view.setBigUint64(blockLen - 8, BigInt(this.length * 8), isLE);\n        this.process(view, 0);\n        const oview = createView(out);\n        const len = this.outputLen;\n        // NOTE: we do division by 4 later, which must be fused in single op with modulo by JIT\n        if (len % 4)\n            throw new Error('_sha2: outputLen must be aligned to 32bit');\n        const outLen = len / 4;\n        const state = this.get();\n        if (outLen > state.length)\n            throw new Error('_sha2: outputLen bigger than state');\n        for (let i = 0; i < outLen; i++)\n            oview.setUint32(4 * i, state[i], isLE);\n    }\n    digest() {\n        const { buffer, outputLen } = this;\n        this.digestInto(buffer);\n        // Copy before destroy(): subclasses wipe `buffer` during cleanup, but `digest()` must return\n        // fresh bytes to the caller.\n        const res = buffer.slice(0, outputLen);\n        this.destroy();\n        return res;\n    }\n    _cloneInto(to) {\n        to ||= new this.constructor();\n        to.set(...this.get());\n        const { blockLen, buffer, length, finished, destroyed, pos } = this;\n        to.destroyed = destroyed;\n        to.finished = finished;\n        to.length = length;\n        to.pos = pos;\n        // Only partial-block bytes need copying: when `length % blockLen === 0`, `pos === 0` and\n        // later `update()` / `digestInto()` overwrite `to.buffer` from the start before reading it.\n        if (length % blockLen)\n            to.buffer.set(buffer);\n        return to;\n    }\n    clone() {\n        return this._cloneInto();\n    }\n}\n/**\n * Initial SHA-2 state: fractional parts of square roots of first 16 primes 2..53.\n * Check out `test/misc/sha2-gen-iv.js` for recomputation guide.\n */\n/** Initial SHA256 state from RFC 6234 §6.1: the first 32 bits of the fractional parts of the\n * square roots of the first eight prime numbers. Exported as a shared table; callers must treat\n * it as read-only because constructors copy words from it by index. */\nexport const SHA256_IV = /* @__PURE__ */ Uint32Array.from([\n    0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a, 0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19,\n]);\n/** Initial SHA224 state `H(0)` from RFC 6234 §6.1. Exported as a shared table; callers must\n * treat it as read-only because constructors copy words from it by index. */\nexport const SHA224_IV = /* @__PURE__ */ Uint32Array.from([\n    0xc1059ed8, 0x367cd507, 0x3070dd17, 0xf70e5939, 0xffc00b31, 0x68581511, 0x64f98fa7, 0xbefa4fa4,\n]);\n/** Initial SHA384 state from RFC 6234 §6.3: eight RFC 64-bit `H(0)` words stored as sixteen\n * big-endian 32-bit halves. Derived from the fractional parts of the square roots of the ninth\n * through sixteenth prime numbers. Exported as a shared table; callers must treat it as read-only\n * because constructors copy halves from it by index. */\nexport const SHA384_IV = /* @__PURE__ */ Uint32Array.from([\n    0xcbbb9d5d, 0xc1059ed8, 0x629a292a, 0x367cd507, 0x9159015a, 0x3070dd17, 0x152fecd8, 0xf70e5939,\n    0x67332667, 0xffc00b31, 0x8eb44a87, 0x68581511, 0xdb0c2e0d, 0x64f98fa7, 0x47b5481d, 0xbefa4fa4,\n]);\n/** Initial SHA512 state from RFC 6234 §6.3: eight RFC 64-bit `H(0)` words stored as sixteen\n * big-endian 32-bit halves. Derived from the fractional parts of the square roots of the first\n * eight prime numbers. Exported as a shared table; callers must treat it as read-only because\n * constructors copy halves from it by index. */\nexport const SHA512_IV = /* @__PURE__ */ Uint32Array.from([\n    0x6a09e667, 0xf3bcc908, 0xbb67ae85, 0x84caa73b, 0x3c6ef372, 0xfe94f82b, 0xa54ff53a, 0x5f1d36f1,\n    0x510e527f, 0xade682d1, 0x9b05688c, 0x2b3e6c1f, 0x1f83d9ab, 0xfb41bd6b, 0x5be0cd19, 0x137e2179,\n]);\n//# sourceMappingURL=_md.js.map","const U32_MASK64 = /* @__PURE__ */ BigInt(2 ** 32 - 1);\nconst _32n = /* @__PURE__ */ BigInt(32);\n// Split bigint into two 32-bit halves. With `le=true`, returned fields become `{ h: low, l: high\n// }` to match little-endian word order rather than the property names.\nfunction fromBig(n, le = false) {\n    if (le)\n        return { h: Number(n & U32_MASK64), l: Number((n >> _32n) & U32_MASK64) };\n    return { h: Number((n >> _32n) & U32_MASK64) | 0, l: Number(n & U32_MASK64) | 0 };\n}\n// Split bigint list into `[highWords, lowWords]` when `le=false`; with `le=true`, the first array\n// holds the low halves because `fromBig(...)` swaps the semantic meaning of `h` and `l`.\nfunction split(lst, le = false) {\n    const len = lst.length;\n    let Ah = new Uint32Array(len);\n    let Al = new Uint32Array(len);\n    for (let i = 0; i < len; i++) {\n        const { h, l } = fromBig(lst[i], le);\n        [Ah[i], Al[i]] = [h, l];\n    }\n    return [Ah, Al];\n}\n// Combine explicit `(high, low)` 32-bit halves into a bigint; `>>> 0` normalizes signed JS\n// bitwise results back to uint32 first, and little-endian callers must swap.\nconst toBig = (h, l) => (BigInt(h >>> 0) << _32n) | BigInt(l >>> 0);\n// High 32-bit half of a 64-bit logical right shift for `s` in `0..31`.\nconst shrSH = (h, _l, s) => h >>> s;\n// Low 32-bit half of a 64-bit logical right shift, valid for `s` in `1..31`.\nconst shrSL = (h, l, s) => (h << (32 - s)) | (l >>> s);\n// High 32-bit half of a 64-bit right rotate, valid for `s` in `1..31`.\nconst rotrSH = (h, l, s) => (h >>> s) | (l << (32 - s));\n// Low 32-bit half of a 64-bit right rotate, valid for `s` in `1..31`.\nconst rotrSL = (h, l, s) => (h << (32 - s)) | (l >>> s);\n// High 32-bit half of a 64-bit right rotate, valid for `s` in `33..63`; `32` uses `rotr32*`.\nconst rotrBH = (h, l, s) => (h << (64 - s)) | (l >>> (s - 32));\n// Low 32-bit half of a 64-bit right rotate, valid for `s` in `33..63`; `32` uses `rotr32*`.\nconst rotrBL = (h, l, s) => (h >>> (s - 32)) | (l << (64 - s));\n// High 32-bit half of a 64-bit right rotate for `s === 32`; this is just the swapped low half.\nconst rotr32H = (_h, l) => l;\n// Low 32-bit half of a 64-bit right rotate for `s === 32`; this is just the swapped high half.\nconst rotr32L = (h, _l) => h;\n// High 32-bit half of a 64-bit left rotate, valid for `s` in `1..31`.\nconst rotlSH = (h, l, s) => (h << s) | (l >>> (32 - s));\n// Low 32-bit half of a 64-bit left rotate, valid for `s` in `1..31`.\nconst rotlSL = (h, l, s) => (l << s) | (h >>> (32 - s));\n// High 32-bit half of a 64-bit left rotate, valid for `s` in `33..63`; `32` uses `rotr32*`.\nconst rotlBH = (h, l, s) => (l << (s - 32)) | (h >>> (64 - s));\n// Low 32-bit half of a 64-bit left rotate, valid for `s` in `33..63`; `32` uses `rotr32*`.\nconst rotlBL = (h, l, s) => (h << (s - 32)) | (l >>> (64 - s));\n// Add two split 64-bit words and return the split `{ h, l }` sum.\n// JS uses 32-bit signed integers for bitwise operations, so we cannot simply shift the carry out\n// of the low sum and instead use division.\nfunction add(Ah, Al, Bh, Bl) {\n    const l = (Al >>> 0) + (Bl >>> 0);\n    return { h: (Ah + Bh + ((l / 2 ** 32) | 0)) | 0, l: l | 0 };\n}\n// Addition with more than 2 elements\n// Unmasked low-word accumulator for 3-way addition; pass the raw result into `add3H(...)`.\nconst add3L = (Al, Bl, Cl) => (Al >>> 0) + (Bl >>> 0) + (Cl >>> 0);\n// High-word finalize step for 3-way addition; `low` must be the untruncated output of `add3L(...)`.\nconst add3H = (low, Ah, Bh, Ch) => (Ah + Bh + Ch + ((low / 2 ** 32) | 0)) | 0;\n// Unmasked low-word accumulator for 4-way addition; pass the raw result into `add4H(...)`.\nconst add4L = (Al, Bl, Cl, Dl) => (Al >>> 0) + (Bl >>> 0) + (Cl >>> 0) + (Dl >>> 0);\n// High-word finalize step for 4-way addition; `low` must be the untruncated output of `add4L(...)`.\nconst add4H = (low, Ah, Bh, Ch, Dh) => (Ah + Bh + Ch + Dh + ((low / 2 ** 32) | 0)) | 0;\n// Unmasked low-word accumulator for 5-way addition; pass the raw result into `add5H(...)`.\nconst add5L = (Al, Bl, Cl, Dl, El) => (Al >>> 0) + (Bl >>> 0) + (Cl >>> 0) + (Dl >>> 0) + (El >>> 0);\n// High-word finalize step for 5-way addition; `low` must be the untruncated output of `add5L(...)`.\nconst add5H = (low, Ah, Bh, Ch, Dh, Eh) => (Ah + Bh + Ch + Dh + Eh + ((low / 2 ** 32) | 0)) | 0;\n// prettier-ignore\nexport { add, add3H, add3L, add4H, add4L, add5H, add5L, fromBig, rotlBH, rotlBL, rotlSH, rotlSL, rotr32H, rotr32L, rotrBH, rotrBL, rotrSH, rotrSL, shrSH, shrSL, split, toBig };\n// Canonical grouped namespace for callers that prefer one object.\n// Named exports stay for direct imports.\n// prettier-ignore\nconst u64 = {\n    fromBig, split, toBig,\n    shrSH, shrSL,\n    rotrSH, rotrSL, rotrBH, rotrBL,\n    rotr32H, rotr32L,\n    rotlSH, rotlSL, rotlBH, rotlBL,\n    add, add3L, add3H, add4L, add4H, add5H, add5L,\n};\n// Default export mirrors named `u64` for compatibility with object-style imports.\nexport default u64;\n//# sourceMappingURL=_u64.js.map","/**\n * SHA2 hash function. A.k.a. sha256, sha384, sha512, sha512_224, sha512_256.\n * SHA256 is the fastest hash implementable in JS, even faster than Blake3.\n * Check out {@link https://www.rfc-editor.org/rfc/rfc4634 | RFC 4634} and\n * {@link https://nvlpubs.nist.gov/nistpubs/FIPS/NIST.FIPS.180-4.pdf | FIPS 180-4}.\n * @module\n */\nimport { Chi, HashMD, Maj, SHA224_IV, SHA256_IV, SHA384_IV, SHA512_IV } from \"./_md.js\";\nimport * as u64 from \"./_u64.js\";\nimport { clean, createHasher, oidNist, rotr } from \"./utils.js\";\n/**\n * SHA-224 / SHA-256 round constants from RFC 6234 §5.1: the first 32 bits\n * of the cube roots of the first 64 primes (2..311).\n */\n// prettier-ignore\nconst SHA256_K = /* @__PURE__ */ Uint32Array.from([\n    0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,\n    0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,\n    0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,\n    0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,\n    0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13, 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,\n    0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,\n    0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,\n    0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208, 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2\n]);\n/** Reusable SHA-224 / SHA-256 message schedule buffer `W_t` from RFC 6234 §6.2 step 1. */\nconst SHA256_W = /* @__PURE__ */ new Uint32Array(64);\n/** Internal SHA-224 / SHA-256 compression engine from RFC 6234 §6.2. */\nclass SHA2_32B extends HashMD {\n    constructor(outputLen) {\n        super(64, outputLen, 8, false);\n    }\n    get() {\n        const { A, B, C, D, E, F, G, H } = this;\n        return [A, B, C, D, E, F, G, H];\n    }\n    // prettier-ignore\n    set(A, B, C, D, E, F, G, H) {\n        this.A = A | 0;\n        this.B = B | 0;\n        this.C = C | 0;\n        this.D = D | 0;\n        this.E = E | 0;\n        this.F = F | 0;\n        this.G = G | 0;\n        this.H = H | 0;\n    }\n    process(view, offset) {\n        // Extend the first 16 words into the remaining 48 words w[16..63] of the message schedule array\n        for (let i = 0; i < 16; i++, offset += 4)\n            SHA256_W[i] = view.getUint32(offset, false);\n        for (let i = 16; i < 64; i++) {\n            const W15 = SHA256_W[i - 15];\n            const W2 = SHA256_W[i - 2];\n            const s0 = rotr(W15, 7) ^ rotr(W15, 18) ^ (W15 >>> 3);\n            const s1 = rotr(W2, 17) ^ rotr(W2, 19) ^ (W2 >>> 10);\n            SHA256_W[i] = (s1 + SHA256_W[i - 7] + s0 + SHA256_W[i - 16]) | 0;\n        }\n        // Compression function main loop, 64 rounds\n        let { A, B, C, D, E, F, G, H } = this;\n        for (let i = 0; i < 64; i++) {\n            const sigma1 = rotr(E, 6) ^ rotr(E, 11) ^ rotr(E, 25);\n            const T1 = (H + sigma1 + Chi(E, F, G) + SHA256_K[i] + SHA256_W[i]) | 0;\n            const sigma0 = rotr(A, 2) ^ rotr(A, 13) ^ rotr(A, 22);\n            const T2 = (sigma0 + Maj(A, B, C)) | 0;\n            H = G;\n            G = F;\n            F = E;\n            E = (D + T1) | 0;\n            D = C;\n            C = B;\n            B = A;\n            A = (T1 + T2) | 0;\n        }\n        // Add the compressed chunk to the current hash value\n        A = (A + this.A) | 0;\n        B = (B + this.B) | 0;\n        C = (C + this.C) | 0;\n        D = (D + this.D) | 0;\n        E = (E + this.E) | 0;\n        F = (F + this.F) | 0;\n        G = (G + this.G) | 0;\n        H = (H + this.H) | 0;\n        this.set(A, B, C, D, E, F, G, H);\n    }\n    roundClean() {\n        clean(SHA256_W);\n    }\n    destroy() {\n        // HashMD callers route post-destroy usability through `destroyed`; zeroizing alone still leaves\n        // update()/digest() callable on reused instances.\n        this.destroyed = true;\n        this.set(0, 0, 0, 0, 0, 0, 0, 0);\n        clean(this.buffer);\n    }\n}\n/** Internal SHA-256 hash class grounded in RFC 6234 §6.2. */\nexport class _SHA256 extends SHA2_32B {\n    // We cannot use array here since array allows indexing by variable\n    // which means optimizer/compiler cannot use registers.\n    A = SHA256_IV[0] | 0;\n    B = SHA256_IV[1] | 0;\n    C = SHA256_IV[2] | 0;\n    D = SHA256_IV[3] | 0;\n    E = SHA256_IV[4] | 0;\n    F = SHA256_IV[5] | 0;\n    G = SHA256_IV[6] | 0;\n    H = SHA256_IV[7] | 0;\n    constructor() {\n        super(32);\n    }\n}\n/** Internal SHA-224 hash class grounded in RFC 6234 §6.2 and §8.5. */\nexport class _SHA224 extends SHA2_32B {\n    A = SHA224_IV[0] | 0;\n    B = SHA224_IV[1] | 0;\n    C = SHA224_IV[2] | 0;\n    D = SHA224_IV[3] | 0;\n    E = SHA224_IV[4] | 0;\n    F = SHA224_IV[5] | 0;\n    G = SHA224_IV[6] | 0;\n    H = SHA224_IV[7] | 0;\n    constructor() {\n        super(28);\n    }\n}\n// SHA2-512 is slower than sha256 in js because u64 operations are slow.\n// SHA-384 / SHA-512 round constants from RFC 6234 §5.2:\n// 80 full 64-bit words split into high/low halves.\n// prettier-ignore\nconst K512 = /* @__PURE__ */ (() => u64.split([\n    '0x428a2f98d728ae22', '0x7137449123ef65cd', '0xb5c0fbcfec4d3b2f', '0xe9b5dba58189dbbc',\n    '0x3956c25bf348b538', '0x59f111f1b605d019', '0x923f82a4af194f9b', '0xab1c5ed5da6d8118',\n    '0xd807aa98a3030242', '0x12835b0145706fbe', '0x243185be4ee4b28c', '0x550c7dc3d5ffb4e2',\n    '0x72be5d74f27b896f', '0x80deb1fe3b1696b1', '0x9bdc06a725c71235', '0xc19bf174cf692694',\n    '0xe49b69c19ef14ad2', '0xefbe4786384f25e3', '0x0fc19dc68b8cd5b5', '0x240ca1cc77ac9c65',\n    '0x2de92c6f592b0275', '0x4a7484aa6ea6e483', '0x5cb0a9dcbd41fbd4', '0x76f988da831153b5',\n    '0x983e5152ee66dfab', '0xa831c66d2db43210', '0xb00327c898fb213f', '0xbf597fc7beef0ee4',\n    '0xc6e00bf33da88fc2', '0xd5a79147930aa725', '0x06ca6351e003826f', '0x142929670a0e6e70',\n    '0x27b70a8546d22ffc', '0x2e1b21385c26c926', '0x4d2c6dfc5ac42aed', '0x53380d139d95b3df',\n    '0x650a73548baf63de', '0x766a0abb3c77b2a8', '0x81c2c92e47edaee6', '0x92722c851482353b',\n    '0xa2bfe8a14cf10364', '0xa81a664bbc423001', '0xc24b8b70d0f89791', '0xc76c51a30654be30',\n    '0xd192e819d6ef5218', '0xd69906245565a910', '0xf40e35855771202a', '0x106aa07032bbd1b8',\n    '0x19a4c116b8d2d0c8', '0x1e376c085141ab53', '0x2748774cdf8eeb99', '0x34b0bcb5e19b48a8',\n    '0x391c0cb3c5c95a63', '0x4ed8aa4ae3418acb', '0x5b9cca4f7763e373', '0x682e6ff3d6b2b8a3',\n    '0x748f82ee5defb2fc', '0x78a5636f43172f60', '0x84c87814a1f0ab72', '0x8cc702081a6439ec',\n    '0x90befffa23631e28', '0xa4506cebde82bde9', '0xbef9a3f7b2c67915', '0xc67178f2e372532b',\n    '0xca273eceea26619c', '0xd186b8c721c0c207', '0xeada7dd6cde0eb1e', '0xf57d4f7fee6ed178',\n    '0x06f067aa72176fba', '0x0a637dc5a2c898a6', '0x113f9804bef90dae', '0x1b710b35131c471b',\n    '0x28db77f523047d84', '0x32caab7b40c72493', '0x3c9ebe0a15c9bebc', '0x431d67c49c100d4c',\n    '0x4cc5d4becb3e42b6', '0x597f299cfc657e2a', '0x5fcb6fab3ad6faec', '0x6c44198c4a475817'\n].map(n => BigInt(n))))();\nconst SHA512_Kh = /* @__PURE__ */ (() => K512[0])();\nconst SHA512_Kl = /* @__PURE__ */ (() => K512[1])();\n// Reusable high-half schedule buffer for the RFC 6234 §6.4 64-bit `W_t` words.\nconst SHA512_W_H = /* @__PURE__ */ new Uint32Array(80);\n// Reusable low-half schedule buffer for the RFC 6234 §6.4 64-bit `W_t` words.\nconst SHA512_W_L = /* @__PURE__ */ new Uint32Array(80);\n/** Internal SHA-384 / SHA-512 compression engine from RFC 6234 §6.4. */\nclass SHA2_64B extends HashMD {\n    constructor(outputLen) {\n        super(128, outputLen, 16, false);\n    }\n    // prettier-ignore\n    get() {\n        const { Ah, Al, Bh, Bl, Ch, Cl, Dh, Dl, Eh, El, Fh, Fl, Gh, Gl, Hh, Hl } = this;\n        return [Ah, Al, Bh, Bl, Ch, Cl, Dh, Dl, Eh, El, Fh, Fl, Gh, Gl, Hh, Hl];\n    }\n    // prettier-ignore\n    set(Ah, Al, Bh, Bl, Ch, Cl, Dh, Dl, Eh, El, Fh, Fl, Gh, Gl, Hh, Hl) {\n        this.Ah = Ah | 0;\n        this.Al = Al | 0;\n        this.Bh = Bh | 0;\n        this.Bl = Bl | 0;\n        this.Ch = Ch | 0;\n        this.Cl = Cl | 0;\n        this.Dh = Dh | 0;\n        this.Dl = Dl | 0;\n        this.Eh = Eh | 0;\n        this.El = El | 0;\n        this.Fh = Fh | 0;\n        this.Fl = Fl | 0;\n        this.Gh = Gh | 0;\n        this.Gl = Gl | 0;\n        this.Hh = Hh | 0;\n        this.Hl = Hl | 0;\n    }\n    process(view, offset) {\n        // Extend the first 16 words into the remaining 64 words w[16..79] of the message schedule array\n        for (let i = 0; i < 16; i++, offset += 4) {\n            SHA512_W_H[i] = view.getUint32(offset);\n            SHA512_W_L[i] = view.getUint32((offset += 4));\n        }\n        for (let i = 16; i < 80; i++) {\n            // s0 := (w[i-15] rightrotate 1) xor (w[i-15] rightrotate 8) xor (w[i-15] rightshift 7)\n            const W15h = SHA512_W_H[i - 15] | 0;\n            const W15l = SHA512_W_L[i - 15] | 0;\n            const s0h = u64.rotrSH(W15h, W15l, 1) ^ u64.rotrSH(W15h, W15l, 8) ^ u64.shrSH(W15h, W15l, 7);\n            const s0l = u64.rotrSL(W15h, W15l, 1) ^ u64.rotrSL(W15h, W15l, 8) ^ u64.shrSL(W15h, W15l, 7);\n            // s1 := (w[i-2] rightrotate 19) xor (w[i-2] rightrotate 61) xor (w[i-2] rightshift 6)\n            const W2h = SHA512_W_H[i - 2] | 0;\n            const W2l = SHA512_W_L[i - 2] | 0;\n            const s1h = u64.rotrSH(W2h, W2l, 19) ^ u64.rotrBH(W2h, W2l, 61) ^ u64.shrSH(W2h, W2l, 6);\n            const s1l = u64.rotrSL(W2h, W2l, 19) ^ u64.rotrBL(W2h, W2l, 61) ^ u64.shrSL(W2h, W2l, 6);\n            // SHA512_W[i] = s0 + s1 + SHA512_W[i - 7] + SHA512_W[i - 16];\n            const SUMl = u64.add4L(s0l, s1l, SHA512_W_L[i - 7], SHA512_W_L[i - 16]);\n            const SUMh = u64.add4H(SUMl, s0h, s1h, SHA512_W_H[i - 7], SHA512_W_H[i - 16]);\n            SHA512_W_H[i] = SUMh | 0;\n            SHA512_W_L[i] = SUMl | 0;\n        }\n        let { Ah, Al, Bh, Bl, Ch, Cl, Dh, Dl, Eh, El, Fh, Fl, Gh, Gl, Hh, Hl } = this;\n        // Compression function main loop, 80 rounds\n        for (let i = 0; i < 80; i++) {\n            // S1 := (e rightrotate 14) xor (e rightrotate 18) xor (e rightrotate 41)\n            const sigma1h = u64.rotrSH(Eh, El, 14) ^ u64.rotrSH(Eh, El, 18) ^ u64.rotrBH(Eh, El, 41);\n            const sigma1l = u64.rotrSL(Eh, El, 14) ^ u64.rotrSL(Eh, El, 18) ^ u64.rotrBL(Eh, El, 41);\n            //const T1 = (H + sigma1 + Chi(E, F, G) + SHA256_K[i] + SHA256_W[i]) | 0;\n            const CHIh = (Eh & Fh) ^ (~Eh & Gh);\n            const CHIl = (El & Fl) ^ (~El & Gl);\n            // T1 = H + sigma1 + Chi(E, F, G) + SHA512_K[i] + SHA512_W[i]\n            // prettier-ignore\n            const T1ll = u64.add5L(Hl, sigma1l, CHIl, SHA512_Kl[i], SHA512_W_L[i]);\n            const T1h = u64.add5H(T1ll, Hh, sigma1h, CHIh, SHA512_Kh[i], SHA512_W_H[i]);\n            const T1l = T1ll | 0;\n            // S0 := (a rightrotate 28) xor (a rightrotate 34) xor (a rightrotate 39)\n            const sigma0h = u64.rotrSH(Ah, Al, 28) ^ u64.rotrBH(Ah, Al, 34) ^ u64.rotrBH(Ah, Al, 39);\n            const sigma0l = u64.rotrSL(Ah, Al, 28) ^ u64.rotrBL(Ah, Al, 34) ^ u64.rotrBL(Ah, Al, 39);\n            const MAJh = (Ah & Bh) ^ (Ah & Ch) ^ (Bh & Ch);\n            const MAJl = (Al & Bl) ^ (Al & Cl) ^ (Bl & Cl);\n            Hh = Gh | 0;\n            Hl = Gl | 0;\n            Gh = Fh | 0;\n            Gl = Fl | 0;\n            Fh = Eh | 0;\n            Fl = El | 0;\n            ({ h: Eh, l: El } = u64.add(Dh | 0, Dl | 0, T1h | 0, T1l | 0));\n            Dh = Ch | 0;\n            Dl = Cl | 0;\n            Ch = Bh | 0;\n            Cl = Bl | 0;\n            Bh = Ah | 0;\n            Bl = Al | 0;\n            const All = u64.add3L(T1l, sigma0l, MAJl);\n            Ah = u64.add3H(All, T1h, sigma0h, MAJh);\n            Al = All | 0;\n        }\n        // Add the compressed chunk to the current hash value\n        ({ h: Ah, l: Al } = u64.add(this.Ah | 0, this.Al | 0, Ah | 0, Al | 0));\n        ({ h: Bh, l: Bl } = u64.add(this.Bh | 0, this.Bl | 0, Bh | 0, Bl | 0));\n        ({ h: Ch, l: Cl } = u64.add(this.Ch | 0, this.Cl | 0, Ch | 0, Cl | 0));\n        ({ h: Dh, l: Dl } = u64.add(this.Dh | 0, this.Dl | 0, Dh | 0, Dl | 0));\n        ({ h: Eh, l: El } = u64.add(this.Eh | 0, this.El | 0, Eh | 0, El | 0));\n        ({ h: Fh, l: Fl } = u64.add(this.Fh | 0, this.Fl | 0, Fh | 0, Fl | 0));\n        ({ h: Gh, l: Gl } = u64.add(this.Gh | 0, this.Gl | 0, Gh | 0, Gl | 0));\n        ({ h: Hh, l: Hl } = u64.add(this.Hh | 0, this.Hl | 0, Hh | 0, Hl | 0));\n        this.set(Ah, Al, Bh, Bl, Ch, Cl, Dh, Dl, Eh, El, Fh, Fl, Gh, Gl, Hh, Hl);\n    }\n    roundClean() {\n        clean(SHA512_W_H, SHA512_W_L);\n    }\n    destroy() {\n        // HashMD callers route post-destroy usability through `destroyed`; zeroizing alone still leaves\n        // update()/digest() callable on reused instances.\n        this.destroyed = true;\n        clean(this.buffer);\n        this.set(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);\n    }\n}\n/** Internal SHA-512 hash class grounded in RFC 6234 §6.3 and §6.4. */\nexport class _SHA512 extends SHA2_64B {\n    Ah = SHA512_IV[0] | 0;\n    Al = SHA512_IV[1] | 0;\n    Bh = SHA512_IV[2] | 0;\n    Bl = SHA512_IV[3] | 0;\n    Ch = SHA512_IV[4] | 0;\n    Cl = SHA512_IV[5] | 0;\n    Dh = SHA512_IV[6] | 0;\n    Dl = SHA512_IV[7] | 0;\n    Eh = SHA512_IV[8] | 0;\n    El = SHA512_IV[9] | 0;\n    Fh = SHA512_IV[10] | 0;\n    Fl = SHA512_IV[11] | 0;\n    Gh = SHA512_IV[12] | 0;\n    Gl = SHA512_IV[13] | 0;\n    Hh = SHA512_IV[14] | 0;\n    Hl = SHA512_IV[15] | 0;\n    constructor() {\n        super(64);\n    }\n}\n/** Internal SHA-384 hash class grounded in RFC 6234 §6.3 and §6.4. */\nexport class _SHA384 extends SHA2_64B {\n    Ah = SHA384_IV[0] | 0;\n    Al = SHA384_IV[1] | 0;\n    Bh = SHA384_IV[2] | 0;\n    Bl = SHA384_IV[3] | 0;\n    Ch = SHA384_IV[4] | 0;\n    Cl = SHA384_IV[5] | 0;\n    Dh = SHA384_IV[6] | 0;\n    Dl = SHA384_IV[7] | 0;\n    Eh = SHA384_IV[8] | 0;\n    El = SHA384_IV[9] | 0;\n    Fh = SHA384_IV[10] | 0;\n    Fl = SHA384_IV[11] | 0;\n    Gh = SHA384_IV[12] | 0;\n    Gl = SHA384_IV[13] | 0;\n    Hh = SHA384_IV[14] | 0;\n    Hl = SHA384_IV[15] | 0;\n    constructor() {\n        super(48);\n    }\n}\n/**\n * Truncated SHA512/256 and SHA512/224.\n * SHA512_IV is XORed with 0xa5a5a5a5a5a5a5a5, then used as \"intermediary\" IV of SHA512/t.\n * Then t hashes string to produce result IV.\n * See the repo-side derivation recipe in `test/misc/sha2-gen-iv.js`.\n * These IV literals are checked against that script rather than a dedicated\n * local RFC section.\n */\n/** SHA-512/224 IV derived by the SHA-512/t recipe in `test/misc/sha2-gen-iv.js` and\n * stored as sixteen big-endian 32-bit halves. */\nconst T224_IV = /* @__PURE__ */ Uint32Array.from([\n    0x8c3d37c8, 0x19544da2, 0x73e19966, 0x89dcd4d6, 0x1dfab7ae, 0x32ff9c82, 0x679dd514, 0x582f9fcf,\n    0x0f6d2b69, 0x7bd44da8, 0x77e36f73, 0x04c48942, 0x3f9d85a8, 0x6a1d36c8, 0x1112e6ad, 0x91d692a1,\n]);\n/** SHA-512/256 IV derived by the SHA-512/t recipe in `test/misc/sha2-gen-iv.js` and\n * stored as sixteen big-endian 32-bit halves. */\nconst T256_IV = /* @__PURE__ */ Uint32Array.from([\n    0x22312194, 0xfc2bf72c, 0x9f555fa3, 0xc84c64c2, 0x2393b86b, 0x6f53b151, 0x96387719, 0x5940eabd,\n    0x96283ee2, 0xa88effe3, 0xbe5e1e25, 0x53863992, 0x2b0199fc, 0x2c85b8aa, 0x0eb72ddc, 0x81c52ca2,\n]);\n/** Internal SHA-512/224 hash class using the derived `T224_IV` and the shared\n * RFC 6234 §6.4 compression engine. */\nexport class _SHA512_224 extends SHA2_64B {\n    Ah = T224_IV[0] | 0;\n    Al = T224_IV[1] | 0;\n    Bh = T224_IV[2] | 0;\n    Bl = T224_IV[3] | 0;\n    Ch = T224_IV[4] | 0;\n    Cl = T224_IV[5] | 0;\n    Dh = T224_IV[6] | 0;\n    Dl = T224_IV[7] | 0;\n    Eh = T224_IV[8] | 0;\n    El = T224_IV[9] | 0;\n    Fh = T224_IV[10] | 0;\n    Fl = T224_IV[11] | 0;\n    Gh = T224_IV[12] | 0;\n    Gl = T224_IV[13] | 0;\n    Hh = T224_IV[14] | 0;\n    Hl = T224_IV[15] | 0;\n    constructor() {\n        super(28);\n    }\n}\n/** Internal SHA-512/256 hash class using the derived `T256_IV` and the shared\n * RFC 6234 §6.4 compression engine. */\nexport class _SHA512_256 extends SHA2_64B {\n    Ah = T256_IV[0] | 0;\n    Al = T256_IV[1] | 0;\n    Bh = T256_IV[2] | 0;\n    Bl = T256_IV[3] | 0;\n    Ch = T256_IV[4] | 0;\n    Cl = T256_IV[5] | 0;\n    Dh = T256_IV[6] | 0;\n    Dl = T256_IV[7] | 0;\n    Eh = T256_IV[8] | 0;\n    El = T256_IV[9] | 0;\n    Fh = T256_IV[10] | 0;\n    Fl = T256_IV[11] | 0;\n    Gh = T256_IV[12] | 0;\n    Gl = T256_IV[13] | 0;\n    Hh = T256_IV[14] | 0;\n    Hl = T256_IV[15] | 0;\n    constructor() {\n        super(32);\n    }\n}\n/**\n * SHA2-256 hash function from RFC 4634. In JS it's the fastest: even faster than Blake3. Some info:\n *\n * - Trying 2^128 hashes would get 50% chance of collision, using birthday attack.\n * - BTC network is doing 2^70 hashes/sec (2^95 hashes/year) as per 2025.\n * - Each sha256 hash is executing 2^18 bit operations.\n * - Good 2024 ASICs can do 200Th/sec with 3500 watts of power, corresponding to 2^36 hashes/joule.\n * @param msg - message bytes to hash\n * @returns Digest bytes.\n * @example\n * Hash a message with SHA2-256.\n * ```ts\n * sha256(new Uint8Array([97, 98, 99]));\n * ```\n */\nexport const sha256 = /* @__PURE__ */ createHasher(() => new _SHA256(), \n/* @__PURE__ */ oidNist(0x01));\n/**\n * SHA2-224 hash function from RFC 4634.\n * @param msg - message bytes to hash\n * @returns Digest bytes.\n * @example\n * Hash a message with SHA2-224.\n * ```ts\n * sha224(new Uint8Array([97, 98, 99]));\n * ```\n */\nexport const sha224 = /* @__PURE__ */ createHasher(() => new _SHA224(), \n/* @__PURE__ */ oidNist(0x04));\n/**\n * SHA2-512 hash function from RFC 4634.\n * @param msg - message bytes to hash\n * @returns Digest bytes.\n * @example\n * Hash a message with SHA2-512.\n * ```ts\n * sha512(new Uint8Array([97, 98, 99]));\n * ```\n */\nexport const sha512 = /* @__PURE__ */ createHasher(() => new _SHA512(), \n/* @__PURE__ */ oidNist(0x03));\n/**\n * SHA2-384 hash function from RFC 4634.\n * @param msg - message bytes to hash\n * @returns Digest bytes.\n * @example\n * Hash a message with SHA2-384.\n * ```ts\n * sha384(new Uint8Array([97, 98, 99]));\n * ```\n */\nexport const sha384 = /* @__PURE__ */ createHasher(() => new _SHA384(), \n/* @__PURE__ */ oidNist(0x02));\n/**\n * SHA2-512/256 \"truncated\" hash function, with improved resistance to length extension attacks.\n * See the paper on {@link https://eprint.iacr.org/2010/548.pdf | truncated SHA512}.\n * @param msg - message bytes to hash\n * @returns Digest bytes.\n * @example\n * Hash a message with SHA2-512/256.\n * ```ts\n * sha512_256(new Uint8Array([97, 98, 99]));\n * ```\n */\nexport const sha512_256 = /* @__PURE__ */ createHasher(() => new _SHA512_256(), \n/* @__PURE__ */ oidNist(0x06));\n/**\n * SHA2-512/224 \"truncated\" hash function, with improved resistance to length extension attacks.\n * See the paper on {@link https://eprint.iacr.org/2010/548.pdf | truncated SHA512}.\n * @param msg - message bytes to hash\n * @returns Digest bytes.\n * @example\n * Hash a message with SHA2-512/224.\n * ```ts\n * sha512_224(new Uint8Array([97, 98, 99]));\n * ```\n */\nexport const sha512_224 = /* @__PURE__ */ createHasher(() => new _SHA512_224(), \n/* @__PURE__ */ oidNist(0x05));\n//# sourceMappingURL=sha2.js.map","import { Variable } from '../types';\n\nexport default function isVariable(obj: unknown): obj is Variable {\n  const variableObj = obj as Variable;\n  if (\n    variableObj &&\n    typeof variableObj === 'object' &&\n    typeof (variableObj as Variable).k === 'string'\n  ) {\n    const k = Object.keys(variableObj);\n    if (k.length === 1) return true;\n    if 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