feat(std/hash): add Sha512 and HmacSha512 (#6009)

1 files changed, 791 insertions, 0 deletions

diff --git a/std/hash/sha512.ts b/std/hash/sha512.ts
new file mode 100644
index 000000000..b55069f4d
--- /dev/null
+++ b/std/hash/sha512.ts
@@ -0,0 +1,791 @@
+/*
+ * [js-sha512]{@link https://github.com/emn178/js-sha512}
+ *
+ * @version 0.8.0
+ * @author Chen, Yi-Cyuan [emn178@gmail.com]
+ * @copyright Chen, Yi-Cyuan 2014-2018
+ * @license MIT
+ */
+
+export type Message = string | number[] | ArrayBuffer;
+
+// prettier-ignore
+const HEX_CHARS = ["0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "a", "b", "c", "d", "e", "f"] as const;
+const EXTRA = [-2147483648, 8388608, 32768, 128] as const;
+const SHIFT = [24, 16, 8, 0] as const;
+// prettier-ignore
+const K = [
+  0x428a2f98, 0xd728ae22, 0x71374491, 0x23ef65cd, 0xb5c0fbcf, 0xec4d3b2f, 0xe9b5dba5, 0x8189dbbc, 0x3956c25b,
+  0xf348b538, 0x59f111f1, 0xb605d019, 0x923f82a4, 0xaf194f9b, 0xab1c5ed5, 0xda6d8118, 0xd807aa98, 0xa3030242,
+  0x12835b01, 0x45706fbe, 0x243185be, 0x4ee4b28c, 0x550c7dc3, 0xd5ffb4e2, 0x72be5d74, 0xf27b896f, 0x80deb1fe,
+  0x3b1696b1, 0x9bdc06a7, 0x25c71235, 0xc19bf174, 0xcf692694, 0xe49b69c1, 0x9ef14ad2, 0xefbe4786, 0x384f25e3,
+  0x0fc19dc6, 0x8b8cd5b5, 0x240ca1cc, 0x77ac9c65, 0x2de92c6f, 0x592b0275, 0x4a7484aa, 0x6ea6e483, 0x5cb0a9dc,
+  0xbd41fbd4, 0x76f988da, 0x831153b5, 0x983e5152, 0xee66dfab, 0xa831c66d, 0x2db43210, 0xb00327c8, 0x98fb213f,
+  0xbf597fc7, 0xbeef0ee4, 0xc6e00bf3, 0x3da88fc2, 0xd5a79147, 0x930aa725, 0x06ca6351, 0xe003826f, 0x14292967,
+  0x0a0e6e70, 0x27b70a85, 0x46d22ffc, 0x2e1b2138, 0x5c26c926, 0x4d2c6dfc, 0x5ac42aed, 0x53380d13, 0x9d95b3df,
+  0x650a7354, 0x8baf63de, 0x766a0abb, 0x3c77b2a8, 0x81c2c92e, 0x47edaee6, 0x92722c85, 0x1482353b, 0xa2bfe8a1,
+  0x4cf10364, 0xa81a664b, 0xbc423001, 0xc24b8b70, 0xd0f89791, 0xc76c51a3, 0x0654be30, 0xd192e819, 0xd6ef5218,
+  0xd6990624, 0x5565a910, 0xf40e3585, 0x5771202a, 0x106aa070, 0x32bbd1b8, 0x19a4c116, 0xb8d2d0c8, 0x1e376c08,
+  0x5141ab53, 0x2748774c, 0xdf8eeb99, 0x34b0bcb5, 0xe19b48a8, 0x391c0cb3, 0xc5c95a63, 0x4ed8aa4a, 0xe3418acb,
+  0x5b9cca4f, 0x7763e373, 0x682e6ff3, 0xd6b2b8a3, 0x748f82ee, 0x5defb2fc, 0x78a5636f, 0x43172f60, 0x84c87814,
+  0xa1f0ab72, 0x8cc70208, 0x1a6439ec, 0x90befffa, 0x23631e28, 0xa4506ceb, 0xde82bde9, 0xbef9a3f7, 0xb2c67915,
+  0xc67178f2, 0xe372532b, 0xca273ece, 0xea26619c, 0xd186b8c7, 0x21c0c207, 0xeada7dd6, 0xcde0eb1e, 0xf57d4f7f,
+  0xee6ed178, 0x06f067aa, 0x72176fba, 0x0a637dc5, 0xa2c898a6, 0x113f9804, 0xbef90dae, 0x1b710b35, 0x131c471b,
+  0x28db77f5, 0x23047d84, 0x32caab7b, 0x40c72493, 0x3c9ebe0a, 0x15c9bebc, 0x431d67c4, 0x9c100d4c, 0x4cc5d4be,
+  0xcb3e42b6, 0x597f299c, 0xfc657e2a, 0x5fcb6fab, 0x3ad6faec, 0x6c44198c, 0x4a475817
+] as const;
+
+const blocks: number[] = [];
+
+// prettier-ignore
+export class Sha512 {
+  #blocks!: number[];
+  #block!: number;
+  #bits!: number;
+  #start!: number;
+  #bytes!: number;
+  #hBytes!: number;
+  #lastByteIndex = 0;
+  #finalized!: boolean;
+  #hashed!: boolean;
+  #h0h!: number;
+  #h0l!: number;
+  #h1h!: number;
+  #h1l!: number;
+  #h2h!: number;
+  #h2l!: number;
+  #h3h!: number;
+  #h3l!: number;
+  #h4h!: number;
+  #h4l!: number;
+  #h5h!: number;
+  #h5l!: number;
+  #h6h!: number;
+  #h6l!: number;
+  #h7h!: number;
+  #h7l!: number;
+
+  constructor(bits = 512, sharedMemory = false) {
+    this.init(bits, sharedMemory);
+  }
+
+  protected init(bits: number, sharedMemory: boolean): void {
+    if (sharedMemory) {
+      blocks[0] = blocks[1] = blocks[2] = blocks[3] = blocks[4] = blocks[5] = blocks[6] = blocks[7] = blocks[8] =
+      blocks[9] = blocks[10] = blocks[11] = blocks[12] = blocks[13] = blocks[14] = blocks[15] = blocks[16] =
+      blocks[17] = blocks[18] = blocks[19] = blocks[20] = blocks[21] = blocks[22] = blocks[23] = blocks[24] =
+      blocks[25] = blocks[26] = blocks[27] = blocks[28] = blocks[29] = blocks[30] = blocks[31] = blocks[32] = 0;
+      this.#blocks = blocks;
+    } else {
+      this.#blocks =
+        [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
+    }
+    if (bits === 224) {
+      this.#h0h = 0x8c3d37c8;
+      this.#h0l = 0x19544da2;
+      this.#h1h = 0x73e19966;
+      this.#h1l = 0x89dcd4d6;
+      this.#h2h = 0x1dfab7ae;
+      this.#h2l = 0x32ff9c82;
+      this.#h3h = 0x679dd514;
+      this.#h3l = 0x582f9fcf;
+      this.#h4h = 0x0f6d2b69;
+      this.#h4l = 0x7bd44da8;
+      this.#h5h = 0x77e36f73;
+      this.#h5l = 0x04c48942;
+      this.#h6h = 0x3f9d85a8;
+      this.#h6l = 0x6a1d36c8;
+      this.#h7h = 0x1112e6ad;
+      this.#h7l = 0x91d692a1;
+    } else if (bits === 256) {
+      this.#h0h = 0x22312194;
+      this.#h0l = 0xfc2bf72c;
+      this.#h1h = 0x9f555fa3;
+      this.#h1l = 0xc84c64c2;
+      this.#h2h = 0x2393b86b;
+      this.#h2l = 0x6f53b151;
+      this.#h3h = 0x96387719;
+      this.#h3l = 0x5940eabd;
+      this.#h4h = 0x96283ee2;
+      this.#h4l = 0xa88effe3;
+      this.#h5h = 0xbe5e1e25;
+      this.#h5l = 0x53863992;
+      this.#h6h = 0x2b0199fc;
+      this.#h6l = 0x2c85b8aa;
+      this.#h7h = 0x0eb72ddc;
+      this.#h7l = 0x81c52ca2;
+    } else if (bits === 384) {
+      this.#h0h = 0xcbbb9d5d;
+      this.#h0l = 0xc1059ed8;
+      this.#h1h = 0x629a292a;
+      this.#h1l = 0x367cd507;
+      this.#h2h = 0x9159015a;
+      this.#h2l = 0x3070dd17;
+      this.#h3h = 0x152fecd8;
+      this.#h3l = 0xf70e5939;
+      this.#h4h = 0x67332667;
+      this.#h4l = 0xffc00b31;
+      this.#h5h = 0x8eb44a87;
+      this.#h5l = 0x68581511;
+      this.#h6h = 0xdb0c2e0d;
+      this.#h6l = 0x64f98fa7;
+      this.#h7h = 0x47b5481d;
+      this.#h7l = 0xbefa4fa4;
+    } else { // 512
+      this.#h0h = 0x6a09e667;
+      this.#h0l = 0xf3bcc908;
+      this.#h1h = 0xbb67ae85;
+      this.#h1l = 0x84caa73b;
+      this.#h2h = 0x3c6ef372;
+      this.#h2l = 0xfe94f82b;
+      this.#h3h = 0xa54ff53a;
+      this.#h3l = 0x5f1d36f1;
+      this.#h4h = 0x510e527f;
+      this.#h4l = 0xade682d1;
+      this.#h5h = 0x9b05688c;
+      this.#h5l = 0x2b3e6c1f;
+      this.#h6h = 0x1f83d9ab;
+      this.#h6l = 0xfb41bd6b;
+      this.#h7h = 0x5be0cd19;
+      this.#h7l = 0x137e2179;
+    }
+    this.#bits = bits;
+    this.#block = this.#start = this.#bytes = this.#hBytes = 0;
+    this.#finalized = this.#hashed = false;
+  }
+
+  update(message: Message): this {
+    if (this.#finalized) {
+      return this;
+    }
+    let msg: string | number[] | Uint8Array;
+    if (message instanceof ArrayBuffer) {
+      msg = new Uint8Array(message);
+    } else {
+      msg = message;
+    }
+    const length = msg.length;
+    const blocks = this.#blocks;
+    let index = 0;
+    while (index < length) {
+      let i: number;
+      if (this.#hashed) {
+        this.#hashed = false;
+        blocks[0] = this.#block;
+        blocks[1] = blocks[2] = blocks[3] = blocks[4] = blocks[5] = blocks[6] = blocks[7] = blocks[8] =
+        blocks[9] = blocks[10] = blocks[11] = blocks[12] = blocks[13] = blocks[14] = blocks[15] = blocks[16] =
+        blocks[17] = blocks[18] = blocks[19] = blocks[20] = blocks[21] = blocks[22] = blocks[23] = blocks[24] =
+        blocks[25] = blocks[26] = blocks[27] = blocks[28] = blocks[29] = blocks[30] = blocks[31] = blocks[32] = 0;
+      }
+      if (typeof msg !== "string") {
+        for (i = this.#start; index < length && i < 128; ++index) {
+          blocks[i >> 2] |= msg[index] << SHIFT[i++ & 3];
+        }
+      } else {
+        for (i = this.#start; index < length && i < 128; ++index) {
+          let code = msg.charCodeAt(index);
+          if (code < 0x80) {
+            blocks[i >> 2] |= code << SHIFT[i++ & 3];
+          } else if (code < 0x800) {
+            blocks[i >> 2] |= (0xc0 | (code >> 6)) << SHIFT[i++ & 3];
+            blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3];
+          } else if (code < 0xd800 || code >= 0xe000) {
+            blocks[i >> 2] |= (0xe0 | (code >> 12)) << SHIFT[i++ & 3];
+            blocks[i >> 2] |= (0x80 | ((code >> 6) & 0x3f)) << SHIFT[i++ & 3];
+            blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3];
+          } else {
+            code = 0x10000 + (((code & 0x3ff) << 10) | (msg.charCodeAt(++index) & 0x3ff));
+            blocks[i >> 2] |= (0xf0 | (code >> 18)) << SHIFT[i++ & 3];
+            blocks[i >> 2] |= (0x80 | ((code >> 12) & 0x3f)) << SHIFT[i++ & 3];
+            blocks[i >> 2] |= (0x80 | ((code >> 6) & 0x3f)) << SHIFT[i++ & 3];
+            blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3];
+          }
+        }
+      }
+      this.#lastByteIndex = i;
+      this.#bytes += i - this.#start;
+      if (i >= 128) {
+        this.#block = blocks[32];
+        this.#start = i - 128;
+        this.hash();
+        this.#hashed = true;
+      } else {
+        this.#start = i;
+      }
+    }
+    if (this.#bytes > 4294967295) {
+      this.#hBytes += (this.#bytes / 4294967296) << 0;
+      this.#bytes = this.#bytes % 4294967296;
+    }
+    return this;
+  }
+
+  protected finalize(): void {
+    if (this.#finalized) {
+      return;
+    }
+    this.#finalized = true;
+    const blocks = this.#blocks;
+    const i = this.#lastByteIndex;
+    blocks[32] = this.#block;
+    blocks[i >> 2] |= EXTRA[i & 3];
+    this.#block = blocks[32];
+    if (i >= 112) {
+      if (!this.#hashed) {
+        this.hash();
+      }
+      blocks[0] = this.#block;
+      blocks[1] = blocks[2] = blocks[3] = blocks[4] = blocks[5] = blocks[6] = blocks[7] = blocks[8] =
+      blocks[9] =blocks[10] = blocks[11] = blocks[12] = blocks[13] = blocks[14] = blocks[15] = blocks[16] =
+      blocks[17] = blocks[18] = blocks[19] = blocks[20] = blocks[21] = blocks[22] = blocks[23] = blocks[24] =
+      blocks[25] = blocks[26] = blocks[27] = blocks[28] = blocks[29] = blocks[30] = blocks[31] = blocks[32] = 0;
+    }
+    blocks[30] = (this.#hBytes << 3) | (this.#bytes >>> 29);
+    blocks[31] = this.#bytes << 3;
+    this.hash();
+  }
+
+  protected hash(): void {
+    const
+      h0h = this.#h0h, h0l = this.#h0l, h1h = this.#h1h, h1l = this.#h1l, h2h = this.#h2h, h2l = this.#h2l,
+      h3h = this.#h3h, h3l = this.#h3l, h4h = this.#h4h, h4l = this.#h4l, h5h = this.#h5h, h5l = this.#h5l,
+      h6h = this.#h6h, h6l = this.#h6l, h7h = this.#h7h, h7l = this.#h7l;
+
+    let s0h, s0l, s1h, s1l, c1, c2, c3, c4, abh, abl, dah, dal, cdh, cdl, bch, bcl, majh, majl,
+      t1h, t1l, t2h, t2l, chh, chl: number;
+
+    const blocks = this.#blocks;
+
+    for (let j = 32; j < 160; j += 2) {
+      t1h = blocks[j - 30];
+      t1l = blocks[j - 29];
+      s0h = ((t1h >>> 1) | (t1l << 31)) ^ ((t1h >>> 8) | (t1l << 24)) ^ (t1h >>> 7);
+      s0l = ((t1l >>> 1) | (t1h << 31)) ^ ((t1l >>> 8) | (t1h << 24)) ^ ((t1l >>> 7) | (t1h << 25));
+
+      t1h = blocks[j - 4];
+      t1l = blocks[j - 3];
+      s1h = ((t1h >>> 19) | (t1l << 13)) ^ ((t1l >>> 29) | (t1h << 3)) ^ (t1h >>> 6);
+      s1l = ((t1l >>> 19) | (t1h << 13)) ^ ((t1h >>> 29) | (t1l << 3)) ^ ((t1l >>> 6) | (t1h << 26));
+
+      t1h = blocks[j - 32];
+      t1l = blocks[j - 31];
+      t2h = blocks[j - 14];
+      t2l = blocks[j - 13];
+
+      c1 = (t2l & 0xffff) + (t1l & 0xffff) + (s0l & 0xffff) + (s1l & 0xffff);
+      c2 = (t2l >>> 16) + (t1l >>> 16) + (s0l >>> 16) + (s1l >>> 16) + (c1 >>> 16);
+      c3 = (t2h & 0xffff) + (t1h & 0xffff) + (s0h & 0xffff) + (s1h & 0xffff) + (c2 >>> 16);
+      c4 = (t2h >>> 16) + (t1h >>> 16) + (s0h >>> 16) + (s1h >>> 16) + (c3 >>> 16);
+
+      blocks[j] = (c4 << 16) | (c3 & 0xffff);
+      blocks[j + 1] = (c2 << 16) | (c1 & 0xffff);
+    }
+
+    let ah = h0h, al = h0l, bh = h1h, bl = h1l, ch = h2h, cl = h2l, dh = h3h, dl = h3l, eh = h4h, el = h4l,
+      fh = h5h, fl = h5l, gh = h6h, gl = h6l, hh = h7h, hl = h7l;
+
+    bch = bh & ch;
+    bcl = bl & cl;
+
+    for (let j = 0; j < 160; j += 8) {
+      s0h = ((ah >>> 28) | (al << 4)) ^ ((al >>> 2) | (ah << 30)) ^ ((al >>> 7) | (ah << 25));
+      s0l = ((al >>> 28) | (ah << 4)) ^ ((ah >>> 2) | (al << 30)) ^ ((ah >>> 7) | (al << 25));
+
+      s1h = ((eh >>> 14) | (el << 18)) ^ ((eh >>> 18) | (el << 14)) ^ ((el >>> 9) | (eh << 23));
+      s1l = ((el >>> 14) | (eh << 18)) ^ ((el >>> 18) | (eh << 14)) ^ ((eh >>> 9) | (el << 23));
+
+      abh = ah & bh;
+      abl = al & bl;
+      majh = abh ^ (ah & ch) ^ bch;
+      majl = abl ^ (al & cl) ^ bcl;
+
+      chh = (eh & fh) ^ (~eh & gh);
+      chl = (el & fl) ^ (~el & gl);
+
+      t1h = blocks[j];
+      t1l = blocks[j + 1];
+      t2h = K[j];
+      t2l = K[j + 1];
+
+      c1 = (t2l & 0xffff) + (t1l & 0xffff) + (chl & 0xffff) + (s1l & 0xffff) + (hl & 0xffff);
+      c2 = (t2l >>> 16) + (t1l >>> 16) + (chl >>> 16) + (s1l >>> 16) + (hl >>> 16) + (c1 >>> 16);
+      c3 = (t2h & 0xffff) + (t1h & 0xffff) + (chh & 0xffff) + (s1h & 0xffff) + (hh & 0xffff) + (c2 >>> 16);
+      c4 = (t2h >>> 16) + (t1h >>> 16) + (chh >>> 16) + (s1h >>> 16) + (hh >>> 16) + (c3 >>> 16);
+
+      t1h = (c4 << 16) | (c3 & 0xffff);
+      t1l = (c2 << 16) | (c1 & 0xffff);
+
+      c1 = (majl & 0xffff) + (s0l & 0xffff);
+      c2 = (majl >>> 16) + (s0l >>> 16) + (c1 >>> 16);
+      c3 = (majh & 0xffff) + (s0h & 0xffff) + (c2 >>> 16);
+      c4 = (majh >>> 16) + (s0h >>> 16) + (c3 >>> 16);
+
+      t2h = (c4 << 16) | (c3 & 0xffff);
+      t2l = (c2 << 16) | (c1 & 0xffff);
+
+      c1 = (dl & 0xffff) + (t1l & 0xffff);
+      c2 = (dl >>> 16) + (t1l >>> 16) + (c1 >>> 16);
+      c3 = (dh & 0xffff) + (t1h & 0xffff) + (c2 >>> 16);
+      c4 = (dh >>> 16) + (t1h >>> 16) + (c3 >>> 16);
+
+      hh = (c4 << 16) | (c3 & 0xffff);
+      hl = (c2 << 16) | (c1 & 0xffff);
+
+      c1 = (t2l & 0xffff) + (t1l & 0xffff);
+      c2 = (t2l >>> 16) + (t1l >>> 16) + (c1 >>> 16);
+      c3 = (t2h & 0xffff) + (t1h & 0xffff) + (c2 >>> 16);
+      c4 = (t2h >>> 16) + (t1h >>> 16) + (c3 >>> 16);
+
+      dh = (c4 << 16) | (c3 & 0xffff);
+      dl = (c2 << 16) | (c1 & 0xffff);
+
+      s0h = ((dh >>> 28) | (dl << 4)) ^ ((dl >>> 2) | (dh << 30)) ^ ((dl >>> 7) | (dh << 25));
+      s0l = ((dl >>> 28) | (dh << 4)) ^ ((dh >>> 2) | (dl << 30)) ^ ((dh >>> 7) | (dl << 25));
+
+      s1h = ((hh >>> 14) | (hl << 18)) ^ ((hh >>> 18) | (hl << 14)) ^ ((hl >>> 9) | (hh << 23));
+      s1l = ((hl >>> 14) | (hh << 18)) ^ ((hl >>> 18) | (hh << 14)) ^ ((hh >>> 9) | (hl << 23));
+
+      dah = dh & ah;
+      dal = dl & al;
+      majh = dah ^ (dh & bh) ^ abh;
+      majl = dal ^ (dl & bl) ^ abl;
+
+      chh = (hh & eh) ^ (~hh & fh);
+      chl = (hl & el) ^ (~hl & fl);
+
+      t1h = blocks[j + 2];
+      t1l = blocks[j + 3];
+      t2h = K[j + 2];
+      t2l = K[j + 3];
+
+      c1 = (t2l & 0xffff) + (t1l & 0xffff) + (chl & 0xffff) + (s1l & 0xffff) + (gl & 0xffff);
+      c2 = (t2l >>> 16) + (t1l >>> 16) + (chl >>> 16) + (s1l >>> 16) + (gl >>> 16) + (c1 >>> 16);
+      c3 = (t2h & 0xffff) + (t1h & 0xffff) + (chh & 0xffff) + (s1h & 0xffff) + (gh & 0xffff) + (c2 >>> 16);
+      c4 = (t2h >>> 16) + (t1h >>> 16) + (chh >>> 16) + (s1h >>> 16) + (gh >>> 16) + (c3 >>> 16);
+
+      t1h = (c4 << 16) | (c3 & 0xffff);
+      t1l = (c2 << 16) | (c1 & 0xffff);
+
+      c1 = (majl & 0xffff) + (s0l & 0xffff);
+      c2 = (majl >>> 16) + (s0l >>> 16) + (c1 >>> 16);
+      c3 = (majh & 0xffff) + (s0h & 0xffff) + (c2 >>> 16);
+      c4 = (majh >>> 16) + (s0h >>> 16) + (c3 >>> 16);
+
+      t2h = (c4 << 16) | (c3 & 0xffff);
+      t2l = (c2 << 16) | (c1 & 0xffff);
+
+      c1 = (cl & 0xffff) + (t1l & 0xffff);
+      c2 = (cl >>> 16) + (t1l >>> 16) + (c1 >>> 16);
+      c3 = (ch & 0xffff) + (t1h & 0xffff) + (c2 >>> 16);
+      c4 = (ch >>> 16) + (t1h >>> 16) + (c3 >>> 16);
+
+      gh = (c4 << 16) | (c3 & 0xffff);
+      gl = (c2 << 16) | (c1 & 0xffff);
+
+      c1 = (t2l & 0xffff) + (t1l & 0xffff);
+      c2 = (t2l >>> 16) + (t1l >>> 16) + (c1 >>> 16);
+      c3 = (t2h & 0xffff) + (t1h & 0xffff) + (c2 >>> 16);
+      c4 = (t2h >>> 16) + (t1h >>> 16) + (c3 >>> 16);
+
+      ch = (c4 << 16) | (c3 & 0xffff);
+      cl = (c2 << 16) | (c1 & 0xffff);
+
+      s0h = ((ch >>> 28) | (cl << 4)) ^ ((cl >>> 2) | (ch << 30)) ^ ((cl >>> 7) | (ch << 25));
+      s0l = ((cl >>> 28) | (ch << 4)) ^ ((ch >>> 2) | (cl << 30)) ^ ((ch >>> 7) | (cl << 25));
+
+      s1h = ((gh >>> 14) | (gl << 18)) ^ ((gh >>> 18) | (gl << 14)) ^ ((gl >>> 9) | (gh << 23));
+      s1l = ((gl >>> 14) | (gh << 18)) ^ ((gl >>> 18) | (gh << 14)) ^ ((gh >>> 9) | (gl << 23));
+
+      cdh = ch & dh;
+      cdl = cl & dl;
+      majh = cdh ^ (ch & ah) ^ dah;
+      majl = cdl ^ (cl & al) ^ dal;
+
+      chh = (gh & hh) ^ (~gh & eh);
+      chl = (gl & hl) ^ (~gl & el);
+
+      t1h = blocks[j + 4];
+      t1l = blocks[j + 5];
+      t2h = K[j + 4];
+      t2l = K[j + 5];
+
+      c1 = (t2l & 0xffff) + (t1l & 0xffff) + (chl & 0xffff) + (s1l & 0xffff) + (fl & 0xffff);
+      c2 = (t2l >>> 16) + (t1l >>> 16) + (chl >>> 16) + (s1l >>> 16) + (fl >>> 16) + (c1 >>> 16);
+      c3 = (t2h & 0xffff) + (t1h & 0xffff) + (chh & 0xffff) + (s1h & 0xffff) + (fh & 0xffff) + (c2 >>> 16);
+      c4 = (t2h >>> 16) + (t1h >>> 16) + (chh >>> 16) + (s1h >>> 16) + (fh >>> 16) + (c3 >>> 16);
+
+      t1h = (c4 << 16) | (c3 & 0xffff);
+      t1l = (c2 << 16) | (c1 & 0xffff);
+
+      c1 = (majl & 0xffff) + (s0l & 0xffff);
+      c2 = (majl >>> 16) + (s0l >>> 16) + (c1 >>> 16);
+      c3 = (majh & 0xffff) + (s0h & 0xffff) + (c2 >>> 16);
+      c4 = (majh >>> 16) + (s0h >>> 16) + (c3 >>> 16);
+
+      t2h = (c4 << 16) | (c3 & 0xffff);
+      t2l = (c2 << 16) | (c1 & 0xffff);
+
+      c1 = (bl & 0xffff) + (t1l & 0xffff);
+      c2 = (bl >>> 16) + (t1l >>> 16) + (c1 >>> 16);
+      c3 = (bh & 0xffff) + (t1h & 0xffff) + (c2 >>> 16);
+      c4 = (bh >>> 16) + (t1h >>> 16) + (c3 >>> 16);
+
+      fh = (c4 << 16) | (c3 & 0xffff);
+      fl = (c2 << 16) | (c1 & 0xffff);
+
+      c1 = (t2l & 0xffff) + (t1l & 0xffff);
+      c2 = (t2l >>> 16) + (t1l >>> 16) + (c1 >>> 16);
+      c3 = (t2h & 0xffff) + (t1h & 0xffff) + (c2 >>> 16);
+      c4 = (t2h >>> 16) + (t1h >>> 16) + (c3 >>> 16);
+
+      bh = (c4 << 16) | (c3 & 0xffff);
+      bl = (c2 << 16) | (c1 & 0xffff);
+
+      s0h = ((bh >>> 28) | (bl << 4)) ^ ((bl >>> 2) | (bh << 30)) ^ ((bl >>> 7) | (bh << 25));
+      s0l = ((bl >>> 28) | (bh << 4)) ^ ((bh >>> 2) | (bl << 30)) ^ ((bh >>> 7) | (bl << 25));
+
+      s1h = ((fh >>> 14) | (fl << 18)) ^ ((fh >>> 18) | (fl << 14)) ^ ((fl >>> 9) | (fh << 23));
+      s1l = ((fl >>> 14) | (fh << 18)) ^ ((fl >>> 18) | (fh << 14)) ^ ((fh >>> 9) | (fl << 23));
+
+      bch = bh & ch;
+      bcl = bl & cl;
+      majh = bch ^ (bh & dh) ^ cdh;
+      majl = bcl ^ (bl & dl) ^ cdl;
+
+      chh = (fh & gh) ^ (~fh & hh);
+      chl = (fl & gl) ^ (~fl & hl);
+
+      t1h = blocks[j + 6];
+      t1l = blocks[j + 7];
+      t2h = K[j + 6];
+      t2l = K[j + 7];
+
+      c1 = (t2l & 0xffff) + (t1l & 0xffff) + (chl & 0xffff) + (s1l & 0xffff) + (el & 0xffff);
+      c2 = (t2l >>> 16) + (t1l >>> 16) + (chl >>> 16) + (s1l >>> 16) + (el >>> 16) + (c1 >>> 16);
+      c3 = (t2h & 0xffff) + (t1h & 0xffff) + (chh & 0xffff) + (s1h & 0xffff) + (eh & 0xffff) + (c2 >>> 16);
+      c4 = (t2h >>> 16) + (t1h >>> 16) + (chh >>> 16) + (s1h >>> 16) + (eh >>> 16) + (c3 >>> 16);
+
+      t1h = (c4 << 16) | (c3 & 0xffff);
+      t1l = (c2 << 16) | (c1 & 0xffff);
+
+      c1 = (majl & 0xffff) + (s0l & 0xffff);
+      c2 = (majl >>> 16) + (s0l >>> 16) + (c1 >>> 16);
+      c3 = (majh & 0xffff) + (s0h & 0xffff) + (c2 >>> 16);
+      c4 = (majh >>> 16) + (s0h >>> 16) + (c3 >>> 16);
+
+      t2h = (c4 << 16) | (c3 & 0xffff);
+      t2l = (c2 << 16) | (c1 & 0xffff);
+
+      c1 = (al & 0xffff) + (t1l & 0xffff);
+      c2 = (al >>> 16) + (t1l >>> 16) + (c1 >>> 16);
+      c3 = (ah & 0xffff) + (t1h & 0xffff) + (c2 >>> 16);
+      c4 = (ah >>> 16) + (t1h >>> 16) + (c3 >>> 16);
+
+      eh = (c4 << 16) | (c3 & 0xffff);
+      el = (c2 << 16) | (c1 & 0xffff);
+
+      c1 = (t2l & 0xffff) + (t1l & 0xffff);
+      c2 = (t2l >>> 16) + (t1l >>> 16) + (c1 >>> 16);
+      c3 = (t2h & 0xffff) + (t1h & 0xffff) + (c2 >>> 16);
+      c4 = (t2h >>> 16) + (t1h >>> 16) + (c3 >>> 16);
+
+      ah = (c4 << 16) | (c3 & 0xffff);
+      al = (c2 << 16) | (c1 & 0xffff);
+    }
+
+    c1 = (h0l & 0xffff) + (al & 0xffff);
+    c2 = (h0l >>> 16) + (al >>> 16) + (c1 >>> 16);
+    c3 = (h0h & 0xffff) + (ah & 0xffff) + (c2 >>> 16);
+    c4 = (h0h >>> 16) + (ah >>> 16) + (c3 >>> 16);
+
+    this.#h0h = (c4 << 16) | (c3 & 0xffff);
+    this.#h0l = (c2 << 16) | (c1 & 0xffff);
+
+    c1 = (h1l & 0xffff) + (bl & 0xffff);
+    c2 = (h1l >>> 16) + (bl >>> 16) + (c1 >>> 16);
+    c3 = (h1h & 0xffff) + (bh & 0xffff) + (c2 >>> 16);
+    c4 = (h1h >>> 16) + (bh >>> 16) + (c3 >>> 16);
+
+    this.#h1h = (c4 << 16) | (c3 & 0xffff);
+    this.#h1l = (c2 << 16) | (c1 & 0xffff);
+
+    c1 = (h2l & 0xffff) + (cl & 0xffff);
+    c2 = (h2l >>> 16) + (cl >>> 16) + (c1 >>> 16);
+    c3 = (h2h & 0xffff) + (ch & 0xffff) + (c2 >>> 16);
+    c4 = (h2h >>> 16) + (ch >>> 16) + (c3 >>> 16);
+
+    this.#h2h = (c4 << 16) | (c3 & 0xffff);
+    this.#h2l = (c2 << 16) | (c1 & 0xffff);
+
+    c1 = (h3l & 0xffff) + (dl & 0xffff);
+    c2 = (h3l >>> 16) + (dl >>> 16) + (c1 >>> 16);
+    c3 = (h3h & 0xffff) + (dh & 0xffff) + (c2 >>> 16);
+    c4 = (h3h >>> 16) + (dh >>> 16) + (c3 >>> 16);
+
+    this.#h3h = (c4 << 16) | (c3 & 0xffff);
+    this.#h3l = (c2 << 16) | (c1 & 0xffff);
+
+    c1 = (h4l & 0xffff) + (el & 0xffff);
+    c2 = (h4l >>> 16) + (el >>> 16) + (c1 >>> 16);
+    c3 = (h4h & 0xffff) + (eh & 0xffff) + (c2 >>> 16);
+    c4 = (h4h >>> 16) + (eh >>> 16) + (c3 >>> 16);
+
+    this.#h4h = (c4 << 16) | (c3 & 0xffff);
+    this.#h4l = (c2 << 16) | (c1 & 0xffff);
+
+    c1 = (h5l & 0xffff) + (fl & 0xffff);
+    c2 = (h5l >>> 16) + (fl >>> 16) + (c1 >>> 16);
+    c3 = (h5h & 0xffff) + (fh & 0xffff) + (c2 >>> 16);
+    c4 = (h5h >>> 16) + (fh >>> 16) + (c3 >>> 16);
+
+    this.#h5h = (c4 << 16) | (c3 & 0xffff);
+    this.#h5l = (c2 << 16) | (c1 & 0xffff);
+
+    c1 = (h6l & 0xffff) + (gl & 0xffff);
+    c2 = (h6l >>> 16) + (gl >>> 16) + (c1 >>> 16);
+    c3 = (h6h & 0xffff) + (gh & 0xffff) + (c2 >>> 16);
+    c4 = (h6h >>> 16) + (gh >>> 16) + (c3 >>> 16);
+
+    this.#h6h = (c4 << 16) | (c3 & 0xffff);
+    this.#h6l = (c2 << 16) | (c1 & 0xffff);
+
+    c1 = (h7l & 0xffff) + (hl & 0xffff);
+    c2 = (h7l >>> 16) + (hl >>> 16) + (c1 >>> 16);
+    c3 = (h7h & 0xffff) + (hh & 0xffff) + (c2 >>> 16);
+    c4 = (h7h >>> 16) + (hh >>> 16) + (c3 >>> 16);
+
+    this.#h7h = (c4 << 16) | (c3 & 0xffff);
+    this.#h7l = (c2 << 16) | (c1 & 0xffff);
+  }
+
+  hex(): string {
+    this.finalize();
+    const
+      h0h = this.#h0h, h0l = this.#h0l, h1h = this.#h1h, h1l = this.#h1l, h2h = this.#h2h, h2l = this.#h2l,
+      h3h = this.#h3h, h3l = this.#h3l, h4h = this.#h4h, h4l = this.#h4l, h5h = this.#h5h, h5l = this.#h5l,
+      h6h = this.#h6h, h6l = this.#h6l, h7h = this.#h7h, h7l = this.#h7l, bits = this.#bits;
+    let hex = 
+      HEX_CHARS[(h0h >> 28) & 0x0f] + HEX_CHARS[(h0h >> 24) & 0x0f] +
+      HEX_CHARS[(h0h >> 20) & 0x0f] + HEX_CHARS[(h0h >> 16) & 0x0f] +
+      HEX_CHARS[(h0h >> 12) & 0x0f] + HEX_CHARS[(h0h >> 8) & 0x0f] +
+      HEX_CHARS[(h0h >> 4) & 0x0f] + HEX_CHARS[h0h & 0x0f] +
+      HEX_CHARS[(h0l >> 28) & 0x0f] + HEX_CHARS[(h0l >> 24) & 0x0f] +
+      HEX_CHARS[(h0l >> 20) & 0x0f] + HEX_CHARS[(h0l >> 16) & 0x0f] +
+      HEX_CHARS[(h0l >> 12) & 0x0f] + HEX_CHARS[(h0l >> 8) & 0x0f] +
+      HEX_CHARS[(h0l >> 4) & 0x0f] + HEX_CHARS[h0l & 0x0f] +
+      HEX_CHARS[(h1h >> 28) & 0x0f] + HEX_CHARS[(h1h >> 24) & 0x0f] +
+      HEX_CHARS[(h1h >> 20) & 0x0f] + HEX_CHARS[(h1h >> 16) & 0x0f] +
+      HEX_CHARS[(h1h >> 12) & 0x0f] + HEX_CHARS[(h1h >> 8) & 0x0f] +
+      HEX_CHARS[(h1h >> 4) & 0x0f] + HEX_CHARS[h1h & 0x0f] +
+      HEX_CHARS[(h1l >> 28) & 0x0f] + HEX_CHARS[(h1l >> 24) & 0x0f] +
+      HEX_CHARS[(h1l >> 20) & 0x0f] + HEX_CHARS[(h1l >> 16) & 0x0f] +
+      HEX_CHARS[(h1l >> 12) & 0x0f] + HEX_CHARS[(h1l >> 8) & 0x0f] +
+      HEX_CHARS[(h1l >> 4) & 0x0f] + HEX_CHARS[h1l & 0x0f] +
+      HEX_CHARS[(h2h >> 28) & 0x0f] + HEX_CHARS[(h2h >> 24) & 0x0f] +
+      HEX_CHARS[(h2h >> 20) & 0x0f] + HEX_CHARS[(h2h >> 16) & 0x0f] +
+      HEX_CHARS[(h2h >> 12) & 0x0f] + HEX_CHARS[(h2h >> 8) & 0x0f] +
+      HEX_CHARS[(h2h >> 4) & 0x0f] + HEX_CHARS[h2h & 0x0f] +
+      HEX_CHARS[(h2l >> 28) & 0x0f] + HEX_CHARS[(h2l >> 24) & 0x0f] +
+      HEX_CHARS[(h2l >> 20) & 0x0f] + HEX_CHARS[(h2l >> 16) & 0x0f] +
+      HEX_CHARS[(h2l >> 12) & 0x0f] + HEX_CHARS[(h2l >> 8) & 0x0f] +
+      HEX_CHARS[(h2l >> 4) & 0x0f] + HEX_CHARS[h2l & 0x0f] +
+      HEX_CHARS[(h3h >> 28) & 0x0f] + HEX_CHARS[(h3h >> 24) & 0x0f] +
+      HEX_CHARS[(h3h >> 20) & 0x0f] + HEX_CHARS[(h3h >> 16) & 0x0f] +
+      HEX_CHARS[(h3h >> 12) & 0x0f] + HEX_CHARS[(h3h >> 8) & 0x0f] +
+      HEX_CHARS[(h3h >> 4) & 0x0f] + HEX_CHARS[h3h & 0x0f];
+    if (bits >= 256) {
+      hex +=
+        HEX_CHARS[(h3l >> 28) & 0x0f] + HEX_CHARS[(h3l >> 24) & 0x0f] +
+        HEX_CHARS[(h3l >> 20) & 0x0f] + HEX_CHARS[(h3l >> 16) & 0x0f] +
+        HEX_CHARS[(h3l >> 12) & 0x0f] + HEX_CHARS[(h3l >> 8) & 0x0f] +
+        HEX_CHARS[(h3l >> 4) & 0x0f] + HEX_CHARS[h3l & 0x0f];
+    }
+    if (bits >= 384) {
+      hex +=
+        HEX_CHARS[(h4h >> 28) & 0x0f] + HEX_CHARS[(h4h >> 24) & 0x0f] +
+        HEX_CHARS[(h4h >> 20) & 0x0f] + HEX_CHARS[(h4h >> 16) & 0x0f] +
+        HEX_CHARS[(h4h >> 12) & 0x0f] + HEX_CHARS[(h4h >> 8) & 0x0f] +
+        HEX_CHARS[(h4h >> 4) & 0x0f] + HEX_CHARS[h4h & 0x0f] +
+        HEX_CHARS[(h4l >> 28) & 0x0f] + HEX_CHARS[(h4l >> 24) & 0x0f] +
+        HEX_CHARS[(h4l >> 20) & 0x0f] + HEX_CHARS[(h4l >> 16) & 0x0f] +
+        HEX_CHARS[(h4l >> 12) & 0x0f] + HEX_CHARS[(h4l >> 8) & 0x0f] +
+        HEX_CHARS[(h4l >> 4) & 0x0f] + HEX_CHARS[h4l & 0x0f] +
+        HEX_CHARS[(h5h >> 28) & 0x0f] + HEX_CHARS[(h5h >> 24) & 0x0f] +
+        HEX_CHARS[(h5h >> 20) & 0x0f] + HEX_CHARS[(h5h >> 16) & 0x0f] +
+        HEX_CHARS[(h5h >> 12) & 0x0f] + HEX_CHARS[(h5h >> 8) & 0x0f] +
+        HEX_CHARS[(h5h >> 4) & 0x0f] + HEX_CHARS[h5h & 0x0f] +
+        HEX_CHARS[(h5l >> 28) & 0x0f] + HEX_CHARS[(h5l >> 24) & 0x0f] +
+        HEX_CHARS[(h5l >> 20) & 0x0f] + HEX_CHARS[(h5l >> 16) & 0x0f] +
+        HEX_CHARS[(h5l >> 12) & 0x0f] + HEX_CHARS[(h5l >> 8) & 0x0f] +
+        HEX_CHARS[(h5l >> 4) & 0x0f] + HEX_CHARS[h5l & 0x0f];
+    }
+    if (bits === 512) {
+      hex +=
+        HEX_CHARS[(h6h >> 28) & 0x0f] + HEX_CHARS[(h6h >> 24) & 0x0f] +
+        HEX_CHARS[(h6h >> 20) & 0x0f] + HEX_CHARS[(h6h >> 16) & 0x0f] +
+        HEX_CHARS[(h6h >> 12) & 0x0f] + HEX_CHARS[(h6h >> 8) & 0x0f] +
+        HEX_CHARS[(h6h >> 4) & 0x0f] + HEX_CHARS[h6h & 0x0f] +
+        HEX_CHARS[(h6l >> 28) & 0x0f] + HEX_CHARS[(h6l >> 24) & 0x0f] +
+        HEX_CHARS[(h6l >> 20) & 0x0f] + HEX_CHARS[(h6l >> 16) & 0x0f] +
+        HEX_CHARS[(h6l >> 12) & 0x0f] + HEX_CHARS[(h6l >> 8) & 0x0f] +
+        HEX_CHARS[(h6l >> 4) & 0x0f] + HEX_CHARS[h6l & 0x0f] +
+        HEX_CHARS[(h7h >> 28) & 0x0f] + HEX_CHARS[(h7h >> 24) & 0x0f] +
+        HEX_CHARS[(h7h >> 20) & 0x0f] + HEX_CHARS[(h7h >> 16) & 0x0f] +
+        HEX_CHARS[(h7h >> 12) & 0x0f] + HEX_CHARS[(h7h >> 8) & 0x0f] +
+        HEX_CHARS[(h7h >> 4) & 0x0f] + HEX_CHARS[h7h & 0x0f] +
+        HEX_CHARS[(h7l >> 28) & 0x0f] + HEX_CHARS[(h7l >> 24) & 0x0f] +
+        HEX_CHARS[(h7l >> 20) & 0x0f] + HEX_CHARS[(h7l >> 16) & 0x0f] +
+        HEX_CHARS[(h7l >> 12) & 0x0f] + HEX_CHARS[(h7l >> 8) & 0x0f] +
+        HEX_CHARS[(h7l >> 4) & 0x0f] + HEX_CHARS[h7l & 0x0f];
+    }
+    return hex;
+  }
+
+  toString(): string {
+    return this.hex();
+  }
+
+  digest(): number[] {
+    this.finalize();
+    const
+      h0h = this.#h0h, h0l = this.#h0l, h1h = this.#h1h, h1l = this.#h1l, h2h = this.#h2h, h2l = this.#h2l,
+      h3h = this.#h3h, h3l = this.#h3l, h4h = this.#h4h, h4l = this.#h4l, h5h = this.#h5h, h5l = this.#h5l,
+      h6h = this.#h6h, h6l = this.#h6l, h7h = this.#h7h, h7l = this.#h7l, bits = this.#bits;
+    const arr = [
+      (h0h >> 24) & 0xff, (h0h >> 16) & 0xff, (h0h >> 8) & 0xff, h0h & 0xff,
+      (h0l >> 24) & 0xff, (h0l >> 16) & 0xff, (h0l >> 8) & 0xff, h0l & 0xff,
+      (h1h >> 24) & 0xff, (h1h >> 16) & 0xff, (h1h >> 8) & 0xff, h1h & 0xff,
+      (h1l >> 24) & 0xff, (h1l >> 16) & 0xff, (h1l >> 8) & 0xff, h1l & 0xff,
+      (h2h >> 24) & 0xff, (h2h >> 16) & 0xff, (h2h >> 8) & 0xff, h2h & 0xff,
+      (h2l >> 24) & 0xff, (h2l >> 16) & 0xff, (h2l >> 8) & 0xff, h2l & 0xff,
+      (h3h >> 24) & 0xff, (h3h >> 16) & 0xff, (h3h >> 8) & 0xff, h3h & 0xff
+    ];
+    if (bits >= 256) {
+      arr.push((h3l >> 24) & 0xff, (h3l >> 16) & 0xff, (h3l >> 8) & 0xff, h3l & 0xff);
+    }
+    if (bits >= 384) {
+      arr.push(
+        (h4h >> 24) & 0xff, (h4h >> 16) & 0xff, (h4h >> 8) & 0xff, h4h & 0xff,
+        (h4l >> 24) & 0xff, (h4l >> 16) & 0xff, (h4l >> 8) & 0xff, h4l & 0xff,
+        (h5h >> 24) & 0xff, (h5h >> 16) & 0xff, (h5h >> 8) & 0xff, h5h & 0xff,
+        (h5l >> 24) & 0xff, (h5l >> 16) & 0xff, (h5l >> 8) & 0xff, h5l & 0xff
+      );
+    }
+    if (bits === 512) {
+      arr.push(
+        (h6h >> 24) & 0xff, (h6h >> 16) & 0xff, (h6h >> 8) & 0xff, h6h & 0xff,
+        (h6l >> 24) & 0xff, (h6l >> 16) & 0xff, (h6l >> 8) & 0xff, h6l & 0xff,
+        (h7h >> 24) & 0xff, (h7h >> 16) & 0xff, (h7h >> 8) & 0xff, h7h & 0xff,
+        (h7l >> 24) & 0xff, (h7l >> 16) & 0xff, (h7l >> 8) & 0xff, h7l & 0xff
+      );
+    }
+    return arr;
+  }
+
+  array(): number[] {
+    return this.digest();
+  }
+
+  arrayBuffer(): ArrayBuffer {
+    this.finalize();
+    const bits = this.#bits;
+    const buffer = new ArrayBuffer(bits / 8);
+    const dataView = new DataView(buffer);
+    dataView.setUint32(0, this.#h0h);
+    dataView.setUint32(4, this.#h0l);
+    dataView.setUint32(8, this.#h1h);
+    dataView.setUint32(12, this.#h1l);
+    dataView.setUint32(16, this.#h2h);
+    dataView.setUint32(20, this.#h2l);
+    dataView.setUint32(24, this.#h3h);
+    if (bits >= 256) {
+      dataView.setUint32(28, this.#h3l);
+    }
+    if (bits >= 384) {
+      dataView.setUint32(32, this.#h4h);
+      dataView.setUint32(36, this.#h4l);
+      dataView.setUint32(40, this.#h5h);
+      dataView.setUint32(44, this.#h5l);
+    }
+    if (bits === 512) {
+      dataView.setUint32(48, this.#h6h);
+      dataView.setUint32(52, this.#h6l);
+      dataView.setUint32(56, this.#h7h);
+      dataView.setUint32(60, this.#h7l);
+    }
+    return buffer;
+  }
+}
+
+export class HmacSha512 extends Sha512 {
+  #inner: boolean;
+  #bits: number;
+  #oKeyPad: number[];
+  #sharedMemory: boolean;
+
+  constructor(secretKey: Message, bits = 512, sharedMemory = false) {
+    super(bits, sharedMemory);
+
+    let key: number[] | Uint8Array;
+
+    if (secretKey instanceof ArrayBuffer) {
+      key = new Uint8Array(secretKey);
+    } else if (typeof secretKey === "string") {
+      const bytes: number[] = [];
+      const length = secretKey.length;
+      let index = 0;
+      let code: number;
+      for (let i = 0; i < length; ++i) {
+        code = secretKey.charCodeAt(i);
+        if (code < 0x80) {
+          bytes[index++] = code;
+        } else if (code < 0x800) {
+          bytes[index++] = 0xc0 | (code >> 6);
+          bytes[index++] = 0x80 | (code & 0x3f);
+        } else if (code < 0xd800 || code >= 0xe000) {
+          bytes[index++] = 0xe0 | (code >> 12);
+          bytes[index++] = 0x80 | ((code >> 6) & 0x3f);
+          bytes[index++] = 0x80 | (code & 0x3f);
+        } else {
+          code =
+            0x10000 +
+            (((code & 0x3ff) << 10) | (secretKey.charCodeAt(++i) & 0x3ff));
+          bytes[index++] = 0xf0 | (code >> 18);
+          bytes[index++] = 0x80 | ((code >> 12) & 0x3f);
+          bytes[index++] = 0x80 | ((code >> 6) & 0x3f);
+          bytes[index++] = 0x80 | (code & 0x3f);
+        }
+      }
+      key = bytes;
+    } else {
+      key = secretKey;
+    }
+    if (key.length > 128) {
+      key = new Sha512(bits, true).update(key).array();
+    }
+    const oKeyPad: number[] = [];
+    const iKeyPad: number[] = [];
+    for (let i = 0; i < 128; ++i) {
+      const b = key[i] || 0;
+      oKeyPad[i] = 0x5c ^ b;
+      iKeyPad[i] = 0x36 ^ b;
+    }
+    this.update(iKeyPad);
+    this.#inner = true;
+    this.#bits = bits;
+    this.#oKeyPad = oKeyPad;
+    this.#sharedMemory = sharedMemory;
+  }
+
+  protected finalize(): void {
+    super.finalize();
+    if (this.#inner) {
+      this.#inner = false;
+      const innerHash = this.array();
+      super.init(this.#bits, this.#sharedMemory);
+      this.update(this.#oKeyPad);
+      this.update(innerHash);
+      super.finalize();
+    }
+  }
+}