libgcrypt-1.4.6/cipher/sha512.c - nest-learning-thermostat/5.0.2/libgcrypt - Git at Google

 /* sha512.c - SHA384 and SHA512 hash functions
  * Copyright (C) 2003, 2008, 2009 Free Software Foundation, Inc.
  *
  * This file is part of Libgcrypt.
  *
  * Libgcrypt is free software; you can redistribute it and/or modify
  * it under the terms of the GNU Lesser general Public License as
  * published by the Free Software Foundation; either version 2.1 of
  * the License, or (at your option) any later version.
  *
  * Libgcrypt is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with this program; if not, see <http://www.gnu.org/licenses/>.
  */


 /*  Test vectors from FIPS-180-2:
  *
  *  "abc"
  * 384:
  *  CB00753F 45A35E8B B5A03D69 9AC65007 272C32AB 0EDED163
  *  1A8B605A 43FF5BED 8086072B A1E7CC23 58BAECA1 34C825A7
  * 512:
  *  DDAF35A1 93617ABA CC417349 AE204131 12E6FA4E 89A97EA2 0A9EEEE6 4B55D39A
  *  2192992A 274FC1A8 36BA3C23 A3FEEBBD 454D4423 643CE80E 2A9AC94F A54CA49F
  *
  *  "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu"
  * 384:
  *  09330C33 F71147E8 3D192FC7 82CD1B47 53111B17 3B3B05D2
  *  2FA08086 E3B0F712 FCC7C71A 557E2DB9 66C3E9FA 91746039
  * 512:
  *  8E959B75 DAE313DA 8CF4F728 14FC143F 8F7779C6 EB9F7FA1 7299AEAD B6889018
  *  501D289E 4900F7E4 331B99DE C4B5433A C7D329EE B6DD2654 5E96E55B 874BE909
  *
  *  "a" x 1000000
  * 384:
  *  9D0E1809 716474CB 086E834E 310A4A1C ED149E9C 00F24852
  *  7972CEC5 704C2A5B 07B8B3DC 38ECC4EB AE97DDD8 7F3D8985
  * 512:
  *  E718483D 0CE76964 4E2E42C7 BC15B463 8E1F98B1 3B204428 5632A803 AFA973EB
  *  DE0FF244 877EA60A 4CB0432C E577C31B EB009C5C 2C49AA2E 4EADB217 AD8CC09B
  */


 #include <config.h>
 #include <string.h>
 #include "g10lib.h"
 #include "bithelp.h"
 #include "cipher.h"
 #include "hash-common.h"

 typedef struct
 {
   u64 h0, h1, h2, h3, h4, h5, h6, h7;
   u64 nblocks;
   byte buf[128];
   int count;
 } SHA512_CONTEXT;

 static void
 sha512_init (void *context)
 {
   SHA512_CONTEXT *hd = context;

   hd->h0 = U64_C(0x6a09e667f3bcc908);
   hd->h1 = U64_C(0xbb67ae8584caa73b);
   hd->h2 = U64_C(0x3c6ef372fe94f82b);
   hd->h3 = U64_C(0xa54ff53a5f1d36f1);
   hd->h4 = U64_C(0x510e527fade682d1);
   hd->h5 = U64_C(0x9b05688c2b3e6c1f);
   hd->h6 = U64_C(0x1f83d9abfb41bd6b);
   hd->h7 = U64_C(0x5be0cd19137e2179);

   hd->nblocks = 0;
   hd->count = 0;
 }

 static void
 sha384_init (void *context)
 {
   SHA512_CONTEXT *hd = context;

   hd->h0 = U64_C(0xcbbb9d5dc1059ed8);
   hd->h1 = U64_C(0x629a292a367cd507);
   hd->h2 = U64_C(0x9159015a3070dd17);
   hd->h3 = U64_C(0x152fecd8f70e5939);
   hd->h4 = U64_C(0x67332667ffc00b31);
   hd->h5 = U64_C(0x8eb44a8768581511);
   hd->h6 = U64_C(0xdb0c2e0d64f98fa7);
   hd->h7 = U64_C(0x47b5481dbefa4fa4);

   hd->nblocks = 0;
   hd->count = 0;
 }


 static inline u64
 ROTR (u64 x, u64 n)
 {
   return ((x >> n) | (x << (64 - n)));
 }

 static inline u64
 Ch (u64 x, u64 y, u64 z)
 {
   return ((x & y) ^ ( ~x & z));
 }

 static inline u64
 Maj (u64 x, u64 y, u64 z)
 {
   return ((x & y) ^ (x & z) ^ (y & z));
 }

 static inline u64
 Sum0 (u64 x)
 {
   return (ROTR (x, 28) ^ ROTR (x, 34) ^ ROTR (x, 39));
 }

 static inline u64
 Sum1 (u64 x)
 {
   return (ROTR (x, 14) ^ ROTR (x, 18) ^ ROTR (x, 41));
 }

 /****************
  * Transform the message W which consists of 16 64-bit-words
  */
 static void
 transform (SHA512_CONTEXT *hd, const unsigned char *data)
 {
   u64 a, b, c, d, e, f, g, h;
   u64 w[80];
   int t;
   static const u64 k[] =
     {
       U64_C(0x428a2f98d728ae22), U64_C(0x7137449123ef65cd),
       U64_C(0xb5c0fbcfec4d3b2f), U64_C(0xe9b5dba58189dbbc),
       U64_C(0x3956c25bf348b538), U64_C(0x59f111f1b605d019),
       U64_C(0x923f82a4af194f9b), U64_C(0xab1c5ed5da6d8118),
       U64_C(0xd807aa98a3030242), U64_C(0x12835b0145706fbe),
       U64_C(0x243185be4ee4b28c), U64_C(0x550c7dc3d5ffb4e2),
       U64_C(0x72be5d74f27b896f), U64_C(0x80deb1fe3b1696b1),
       U64_C(0x9bdc06a725c71235), U64_C(0xc19bf174cf692694),
       U64_C(0xe49b69c19ef14ad2), U64_C(0xefbe4786384f25e3),
       U64_C(0x0fc19dc68b8cd5b5), U64_C(0x240ca1cc77ac9c65),
       U64_C(0x2de92c6f592b0275), U64_C(0x4a7484aa6ea6e483),
       U64_C(0x5cb0a9dcbd41fbd4), U64_C(0x76f988da831153b5),
       U64_C(0x983e5152ee66dfab), U64_C(0xa831c66d2db43210),
       U64_C(0xb00327c898fb213f), U64_C(0xbf597fc7beef0ee4),
       U64_C(0xc6e00bf33da88fc2), U64_C(0xd5a79147930aa725),
       U64_C(0x06ca6351e003826f), U64_C(0x142929670a0e6e70),
       U64_C(0x27b70a8546d22ffc), U64_C(0x2e1b21385c26c926),
       U64_C(0x4d2c6dfc5ac42aed), U64_C(0x53380d139d95b3df),
       U64_C(0x650a73548baf63de), U64_C(0x766a0abb3c77b2a8),
       U64_C(0x81c2c92e47edaee6), U64_C(0x92722c851482353b),
       U64_C(0xa2bfe8a14cf10364), U64_C(0xa81a664bbc423001),
       U64_C(0xc24b8b70d0f89791), U64_C(0xc76c51a30654be30),
       U64_C(0xd192e819d6ef5218), U64_C(0xd69906245565a910),
       U64_C(0xf40e35855771202a), U64_C(0x106aa07032bbd1b8),
       U64_C(0x19a4c116b8d2d0c8), U64_C(0x1e376c085141ab53),
       U64_C(0x2748774cdf8eeb99), U64_C(0x34b0bcb5e19b48a8),
       U64_C(0x391c0cb3c5c95a63), U64_C(0x4ed8aa4ae3418acb),
       U64_C(0x5b9cca4f7763e373), U64_C(0x682e6ff3d6b2b8a3),
       U64_C(0x748f82ee5defb2fc), U64_C(0x78a5636f43172f60),
       U64_C(0x84c87814a1f0ab72), U64_C(0x8cc702081a6439ec),
       U64_C(0x90befffa23631e28), U64_C(0xa4506cebde82bde9),
       U64_C(0xbef9a3f7b2c67915), U64_C(0xc67178f2e372532b),
       U64_C(0xca273eceea26619c), U64_C(0xd186b8c721c0c207),
       U64_C(0xeada7dd6cde0eb1e), U64_C(0xf57d4f7fee6ed178),
       U64_C(0x06f067aa72176fba), U64_C(0x0a637dc5a2c898a6),
       U64_C(0x113f9804bef90dae), U64_C(0x1b710b35131c471b),
       U64_C(0x28db77f523047d84), U64_C(0x32caab7b40c72493),
       U64_C(0x3c9ebe0a15c9bebc), U64_C(0x431d67c49c100d4c),
       U64_C(0x4cc5d4becb3e42b6), U64_C(0x597f299cfc657e2a),
       U64_C(0x5fcb6fab3ad6faec), U64_C(0x6c44198c4a475817)
     };

   /* get values from the chaining vars */
   a = hd->h0;
   b = hd->h1;
   c = hd->h2;
   d = hd->h3;
   e = hd->h4;
   f = hd->h5;
   g = hd->h6;
   h = hd->h7;

 #ifdef WORDS_BIGENDIAN
   memcpy (w, data, 128);
 #else
   {
     int i;
     byte *p2;

     for (i = 0, p2 = (byte *) w; i < 16; i++, p2 += 8)
       {
 	p2[7] = *data++;
 	p2[6] = *data++;
 	p2[5] = *data++;
 	p2[4] = *data++;
 	p2[3] = *data++;
 	p2[2] = *data++;
 	p2[1] = *data++;
 	p2[0] = *data++;
       }
   }
 #endif

 #define S0(x) (ROTR((x),1) ^ ROTR((x),8) ^ ((x)>>7))
 #define S1(x) (ROTR((x),19) ^ ROTR((x),61) ^ ((x)>>6))

   for (t = 16; t < 80; t++)
     w[t] = S1 (w[t - 2]) + w[t - 7] + S0 (w[t - 15]) + w[t - 16];


   for (t = 0; t < 80; )
     {
       u64 t1, t2;

       /* Performance on a AMD Athlon(tm) Dual Core Processor 4050e
          with gcc 4.3.3 using gcry_md_hash_buffer of each 10000 bytes
          initialized to 0,1,2,3...255,0,... and 1000 iterations:

          Not unrolled with macros:  440ms
          Unrolled with macros:      350ms
          Unrolled with inline:      330ms
       */
 #if 0 /* Not unrolled.  */
       t1 = h + Sum1 (e) + Ch (e, f, g) + k[t] + w[t];
       t2 = Sum0 (a) + Maj (a, b, c);
       h = g;
       g = f;
       f = e;
       e = d + t1;
       d = c;
       c = b;
       b = a;
       a = t1 + t2;
       t++;
 #else /* Unrolled to interweave the chain variables.  */
       t1 = h + Sum1 (e) + Ch (e, f, g) + k[t] + w[t];
       t2 = Sum0 (a) + Maj (a, b, c);
       d += t1;
       h  = t1 + t2;

       t1 = g + Sum1 (d) + Ch (d, e, f) + k[t+1] + w[t+1];
       t2 = Sum0 (h) + Maj (h, a, b);
       c += t1;
       g  = t1 + t2;

       t1 = f + Sum1 (c) + Ch (c, d, e) + k[t+2] + w[t+2];
       t2 = Sum0 (g) + Maj (g, h, a);
       b += t1;
       f  = t1 + t2;

       t1 = e + Sum1 (b) + Ch (b, c, d) + k[t+3] + w[t+3];
       t2 = Sum0 (f) + Maj (f, g, h);
       a += t1;
       e  = t1 + t2;

       t1 = d + Sum1 (a) + Ch (a, b, c) + k[t+4] + w[t+4];
       t2 = Sum0 (e) + Maj (e, f, g);
       h += t1;
       d  = t1 + t2;

       t1 = c + Sum1 (h) + Ch (h, a, b) + k[t+5] + w[t+5];
       t2 = Sum0 (d) + Maj (d, e, f);
       g += t1;
       c  = t1 + t2;

       t1 = b + Sum1 (g) + Ch (g, h, a) + k[t+6] + w[t+6];
       t2 = Sum0 (c) + Maj (c, d, e);
       f += t1;
       b  = t1 + t2;

       t1 = a + Sum1 (f) + Ch (f, g, h) + k[t+7] + w[t+7];
       t2 = Sum0 (b) + Maj (b, c, d);
       e += t1;
       a  = t1 + t2;

       t += 8;
 #endif
     }

   /* Update chaining vars.  */
   hd->h0 += a;
   hd->h1 += b;
   hd->h2 += c;
   hd->h3 += d;
   hd->h4 += e;
   hd->h5 += f;
   hd->h6 += g;
   hd->h7 += h;
 }


 /* Update the message digest with the contents
  * of INBUF with length INLEN.
  */
 static void
 sha512_write (void *context, const void *inbuf_arg, size_t inlen)
 {
   const unsigned char *inbuf = inbuf_arg;
   SHA512_CONTEXT *hd = context;

   if (hd->count == 128)
     {				/* flush the buffer */
       transform (hd, hd->buf);
       _gcry_burn_stack (768);
       hd->count = 0;
       hd->nblocks++;
     }
   if (!inbuf)
     return;
   if (hd->count)
     {
       for (; inlen && hd->count < 128; inlen--)
 	hd->buf[hd->count++] = *inbuf++;
       sha512_write (context, NULL, 0);
       if (!inlen)
 	return;
     }

   while (inlen >= 128)
     {
       transform (hd, inbuf);
       hd->count = 0;
       hd->nblocks++;
       inlen -= 128;
       inbuf += 128;
     }
   _gcry_burn_stack (768);
   for (; inlen && hd->count < 128; inlen--)
     hd->buf[hd->count++] = *inbuf++;
 }


 /* The routine final terminates the computation and
  * returns the digest.
  * The handle is prepared for a new cycle, but adding bytes to the
  * handle will the destroy the returned buffer.
  * Returns: 64 bytes representing the digest.  When used for sha384,
  * we take the leftmost 48 of those bytes.
  */

 static void
 sha512_final (void *context)
 {
   SHA512_CONTEXT *hd = context;
   u64 t, msb, lsb;
   byte *p;

   sha512_write (context, NULL, 0); /* flush */ ;

   t = hd->nblocks;
   /* multiply by 128 to make a byte count */
   lsb = t << 7;
   msb = t >> 57;
   /* add the count */
   t = lsb;
   if ((lsb += hd->count) < t)
     msb++;
   /* multiply by 8 to make a bit count */
   t = lsb;
   lsb <<= 3;
   msb <<= 3;
   msb |= t >> 61;

   if (hd->count < 112)
     {				/* enough room */
       hd->buf[hd->count++] = 0x80;	/* pad */
       while (hd->count < 112)
 	hd->buf[hd->count++] = 0;	/* pad */
     }
   else
     {				/* need one extra block */
       hd->buf[hd->count++] = 0x80;	/* pad character */
       while (hd->count < 128)
 	hd->buf[hd->count++] = 0;
       sha512_write (context, NULL, 0); /* flush */ ;
       memset (hd->buf, 0, 112);	/* fill next block with zeroes */
     }
   /* append the 128 bit count */
   hd->buf[112] = msb >> 56;
   hd->buf[113] = msb >> 48;
   hd->buf[114] = msb >> 40;
   hd->buf[115] = msb >> 32;
   hd->buf[116] = msb >> 24;
   hd->buf[117] = msb >> 16;
   hd->buf[118] = msb >> 8;
   hd->buf[119] = msb;

   hd->buf[120] = lsb >> 56;
   hd->buf[121] = lsb >> 48;
   hd->buf[122] = lsb >> 40;
   hd->buf[123] = lsb >> 32;
   hd->buf[124] = lsb >> 24;
   hd->buf[125] = lsb >> 16;
   hd->buf[126] = lsb >> 8;
   hd->buf[127] = lsb;
   transform (hd, hd->buf);
   _gcry_burn_stack (768);

   p = hd->buf;
 #ifdef WORDS_BIGENDIAN
 #define X(a) do { *(u64*)p = hd->h##a ; p += 8; } while (0)
 #else /* little endian */
 #define X(a) do { *p++ = hd->h##a >> 56; *p++ = hd->h##a >> 48;	      \
                   *p++ = hd->h##a >> 40; *p++ = hd->h##a >> 32;	      \
                   *p++ = hd->h##a >> 24; *p++ = hd->h##a >> 16;	      \
                   *p++ = hd->h##a >> 8;  *p++ = hd->h##a; } while (0)
 #endif
   X (0);
   X (1);
   X (2);
   X (3);
   X (4);
   X (5);
   /* Note that these last two chunks are included even for SHA384.
      We just ignore them. */
   X (6);
   X (7);
 #undef X
 }

 static byte *
 sha512_read (void *context)
 {
   SHA512_CONTEXT *hd = (SHA512_CONTEXT *) context;
   return hd->buf;
 }


 /*
      Self-test section.
  */


 static gpg_err_code_t
 selftests_sha384 (int extended, selftest_report_func_t report)
 {
   const char *what;
   const char *errtxt;

   what = "short string";
   errtxt = _gcry_hash_selftest_check_one
     (GCRY_MD_SHA384, 0,
      "abc", 3,
      "\xcb\x00\x75\x3f\x45\xa3\x5e\x8b\xb5\xa0\x3d\x69\x9a\xc6\x50\x07"
      "\x27\x2c\x32\xab\x0e\xde\xd1\x63\x1a\x8b\x60\x5a\x43\xff\x5b\xed"
      "\x80\x86\x07\x2b\xa1\xe7\xcc\x23\x58\xba\xec\xa1\x34\xc8\x25\xa7", 48);
   if (errtxt)
     goto failed;

   if (extended)
     {
       what = "long string";
       errtxt = _gcry_hash_selftest_check_one
         (GCRY_MD_SHA384, 0,
          "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn"
          "hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu", 112,
          "\x09\x33\x0C\x33\xF7\x11\x47\xE8\x3D\x19\x2F\xC7\x82\xCD\x1B\x47"
          "\x53\x11\x1B\x17\x3B\x3B\x05\xD2\x2F\xA0\x80\x86\xE3\xB0\xF7\x12"
          "\xFC\xC7\xC7\x1A\x55\x7E\x2D\xB9\x66\xC3\xE9\xFA\x91\x74\x60\x39",
          48);
       if (errtxt)
         goto failed;

       what = "one million \"a\"";
       errtxt = _gcry_hash_selftest_check_one
         (GCRY_MD_SHA384, 1,
          NULL, 0,
          "\x9D\x0E\x18\x09\x71\x64\x74\xCB\x08\x6E\x83\x4E\x31\x0A\x4A\x1C"
          "\xED\x14\x9E\x9C\x00\xF2\x48\x52\x79\x72\xCE\xC5\x70\x4C\x2A\x5B"
          "\x07\xB8\xB3\xDC\x38\xEC\xC4\xEB\xAE\x97\xDD\xD8\x7F\x3D\x89\x85",
          48);
       if (errtxt)
         goto failed;
     }

   return 0; /* Succeeded. */

  failed:
   if (report)
     report ("digest", GCRY_MD_SHA384, what, errtxt);
   return GPG_ERR_SELFTEST_FAILED;
 }

 static gpg_err_code_t
 selftests_sha512 (int extended, selftest_report_func_t report)
 {
   const char *what;
   const char *errtxt;

   what = "short string";
   errtxt = _gcry_hash_selftest_check_one
     (GCRY_MD_SHA512, 0,
      "abc", 3,
      "\xDD\xAF\x35\xA1\x93\x61\x7A\xBA\xCC\x41\x73\x49\xAE\x20\x41\x31"
      "\x12\xE6\xFA\x4E\x89\xA9\x7E\xA2\x0A\x9E\xEE\xE6\x4B\x55\xD3\x9A"
      "\x21\x92\x99\x2A\x27\x4F\xC1\xA8\x36\xBA\x3C\x23\xA3\xFE\xEB\xBD"
      "\x45\x4D\x44\x23\x64\x3C\xE8\x0E\x2A\x9A\xC9\x4F\xA5\x4C\xA4\x9F", 64);
   if (errtxt)
     goto failed;

   if (extended)
     {
       what = "long string";
       errtxt = _gcry_hash_selftest_check_one
         (GCRY_MD_SHA512, 0,
          "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn"
          "hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu", 112,
          "\x8E\x95\x9B\x75\xDA\xE3\x13\xDA\x8C\xF4\xF7\x28\x14\xFC\x14\x3F"
          "\x8F\x77\x79\xC6\xEB\x9F\x7F\xA1\x72\x99\xAE\xAD\xB6\x88\x90\x18"
          "\x50\x1D\x28\x9E\x49\x00\xF7\xE4\x33\x1B\x99\xDE\xC4\xB5\x43\x3A"
          "\xC7\xD3\x29\xEE\xB6\xDD\x26\x54\x5E\x96\xE5\x5B\x87\x4B\xE9\x09",
          64);
       if (errtxt)
         goto failed;

       what = "one million \"a\"";
       errtxt = _gcry_hash_selftest_check_one
         (GCRY_MD_SHA512, 1,
          NULL, 0,
          "\xE7\x18\x48\x3D\x0C\xE7\x69\x64\x4E\x2E\x42\xC7\xBC\x15\xB4\x63"
          "\x8E\x1F\x98\xB1\x3B\x20\x44\x28\x56\x32\xA8\x03\xAF\xA9\x73\xEB"
          "\xDE\x0F\xF2\x44\x87\x7E\xA6\x0A\x4C\xB0\x43\x2C\xE5\x77\xC3\x1B"
          "\xEB\x00\x9C\x5C\x2C\x49\xAA\x2E\x4E\xAD\xB2\x17\xAD\x8C\xC0\x9B",
          64);
       if (errtxt)
         goto failed;
     }

   return 0; /* Succeeded. */

  failed:
   if (report)
     report ("digest", GCRY_MD_SHA512, what, errtxt);
   return GPG_ERR_SELFTEST_FAILED;
 }


 /* Run a full self-test for ALGO and return 0 on success.  */
 static gpg_err_code_t
 run_selftests (int algo, int extended, selftest_report_func_t report)
 {
   gpg_err_code_t ec;

   switch (algo)
     {
     case GCRY_MD_SHA384:
       ec = selftests_sha384 (extended, report);
       break;
     case GCRY_MD_SHA512:
       ec = selftests_sha512 (extended, report);
       break;
     default:
       ec = GPG_ERR_DIGEST_ALGO;
       break;

     }
   return ec;
 }


 static byte sha512_asn[] =	/* Object ID is 2.16.840.1.101.3.4.2.3 */
   {
     0x30, 0x51, 0x30, 0x0d, 0x06, 0x09, 0x60, 0x86,
     0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x03, 0x05,
     0x00, 0x04, 0x40
   };

 static gcry_md_oid_spec_t oid_spec_sha512[] =
   {
     { "2.16.840.1.101.3.4.2.3" },

     /* PKCS#1 sha512WithRSAEncryption */
     { "1.2.840.113549.1.1.13" },

     { NULL }
   };

 gcry_md_spec_t _gcry_digest_spec_sha512 =
   {
     "SHA512", sha512_asn, DIM (sha512_asn), oid_spec_sha512, 64,
     sha512_init, sha512_write, sha512_final, sha512_read,
     sizeof (SHA512_CONTEXT),
   };
 md_extra_spec_t _gcry_digest_extraspec_sha512 =
   {
     run_selftests
   };

 static byte sha384_asn[] =	/* Object ID is 2.16.840.1.101.3.4.2.2 */
   {
     0x30, 0x41, 0x30, 0x0d, 0x06, 0x09, 0x60, 0x86,
     0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x02, 0x05,
     0x00, 0x04, 0x30
   };

 static gcry_md_oid_spec_t oid_spec_sha384[] =
   {
     { "2.16.840.1.101.3.4.2.2" },

     /* PKCS#1 sha384WithRSAEncryption */
     { "1.2.840.113549.1.1.12" },

     { NULL },
   };

 gcry_md_spec_t _gcry_digest_spec_sha384 =
   {
     "SHA384", sha384_asn, DIM (sha384_asn), oid_spec_sha384, 48,
     sha384_init, sha512_write, sha512_final, sha512_read,
     sizeof (SHA512_CONTEXT),
   };
 md_extra_spec_t _gcry_digest_extraspec_sha384 =
   {
     run_selftests
   };
	/* sha512.c - SHA384 and SHA512 hash functions
	* Copyright (C) 2003, 2008, 2009 Free Software Foundation, Inc.
	*
	* This file is part of Libgcrypt.
	*
	* Libgcrypt is free software; you can redistribute it and/or modify
	* it under the terms of the GNU Lesser general Public License as
	* published by the Free Software Foundation; either version 2.1 of
	* the License, or (at your option) any later version.
	*
	* Libgcrypt is distributed in the hope that it will be useful,
	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	* GNU Lesser General Public License for more details.
	*
	* You should have received a copy of the GNU Lesser General Public
	* License along with this program; if not, see <http://www.gnu.org/licenses/>.
	*/


	/* Test vectors from FIPS-180-2:
	*
	* "abc"
	* 384:
	* CB00753F 45A35E8B B5A03D69 9AC65007 272C32AB 0EDED163
	* 1A8B605A 43FF5BED 8086072B A1E7CC23 58BAECA1 34C825A7
	* 512:
	* DDAF35A1 93617ABA CC417349 AE204131 12E6FA4E 89A97EA2 0A9EEEE6 4B55D39A
	* 2192992A 274FC1A8 36BA3C23 A3FEEBBD 454D4423 643CE80E 2A9AC94F A54CA49F
	*
	* "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu"
	* 384:
	* 09330C33 F71147E8 3D192FC7 82CD1B47 53111B17 3B3B05D2
	* 2FA08086 E3B0F712 FCC7C71A 557E2DB9 66C3E9FA 91746039
	* 512:
	* 8E959B75 DAE313DA 8CF4F728 14FC143F 8F7779C6 EB9F7FA1 7299AEAD B6889018
	* 501D289E 4900F7E4 331B99DE C4B5433A C7D329EE B6DD2654 5E96E55B 874BE909
	*
	* "a" x 1000000
	* 384:
	* 9D0E1809 716474CB 086E834E 310A4A1C ED149E9C 00F24852
	* 7972CEC5 704C2A5B 07B8B3DC 38ECC4EB AE97DDD8 7F3D8985
	* 512:
	* E718483D 0CE76964 4E2E42C7 BC15B463 8E1F98B1 3B204428 5632A803 AFA973EB
	* DE0FF244 877EA60A 4CB0432C E577C31B EB009C5C 2C49AA2E 4EADB217 AD8CC09B
	*/


	#include <config.h>
	#include <string.h>
	#include "g10lib.h"
	#include "bithelp.h"
	#include "cipher.h"
	#include "hash-common.h"

	typedef struct
	{
	u64 h0, h1, h2, h3, h4, h5, h6, h7;
	u64 nblocks;
	byte buf[128];
	int count;
	} SHA512_CONTEXT;

	static void
	sha512_init (void *context)
	{
	SHA512_CONTEXT *hd = context;

	hd->h0 = U64_C(0x6a09e667f3bcc908);
	hd->h1 = U64_C(0xbb67ae8584caa73b);
	hd->h2 = U64_C(0x3c6ef372fe94f82b);
	hd->h3 = U64_C(0xa54ff53a5f1d36f1);
	hd->h4 = U64_C(0x510e527fade682d1);
	hd->h5 = U64_C(0x9b05688c2b3e6c1f);
	hd->h6 = U64_C(0x1f83d9abfb41bd6b);
	hd->h7 = U64_C(0x5be0cd19137e2179);

	hd->nblocks = 0;
	hd->count = 0;
	}

	static void
	sha384_init (void *context)
	{
	SHA512_CONTEXT *hd = context;

	hd->h0 = U64_C(0xcbbb9d5dc1059ed8);
	hd->h1 = U64_C(0x629a292a367cd507);
	hd->h2 = U64_C(0x9159015a3070dd17);
	hd->h3 = U64_C(0x152fecd8f70e5939);
	hd->h4 = U64_C(0x67332667ffc00b31);
	hd->h5 = U64_C(0x8eb44a8768581511);
	hd->h6 = U64_C(0xdb0c2e0d64f98fa7);
	hd->h7 = U64_C(0x47b5481dbefa4fa4);

	hd->nblocks = 0;
	hd->count = 0;
	}


	static inline u64
	ROTR (u64 x, u64 n)
	{
	return ((x >> n) \| (x << (64 - n)));
	}

	static inline u64
	Ch (u64 x, u64 y, u64 z)
	{
	return ((x & y) ^ ( ~x & z));
	}

	static inline u64
	Maj (u64 x, u64 y, u64 z)
	{
	return ((x & y) ^ (x & z) ^ (y & z));
	}

	static inline u64
	Sum0 (u64 x)
	{
	return (ROTR (x, 28) ^ ROTR (x, 34) ^ ROTR (x, 39));
	}

	static inline u64
	Sum1 (u64 x)
	{
	return (ROTR (x, 14) ^ ROTR (x, 18) ^ ROTR (x, 41));
	}

	/****************
	* Transform the message W which consists of 16 64-bit-words
	*/
	static void
	transform (SHA512_CONTEXT hd, const unsigned char data)
	{
	u64 a, b, c, d, e, f, g, h;
	u64 w[80];
	int t;
	static const u64 k[] =
	{
	U64_C(0x428a2f98d728ae22), U64_C(0x7137449123ef65cd),
	U64_C(0xb5c0fbcfec4d3b2f), U64_C(0xe9b5dba58189dbbc),
	U64_C(0x3956c25bf348b538), U64_C(0x59f111f1b605d019),
	U64_C(0x923f82a4af194f9b), U64_C(0xab1c5ed5da6d8118),
	U64_C(0xd807aa98a3030242), U64_C(0x12835b0145706fbe),
	U64_C(0x243185be4ee4b28c), U64_C(0x550c7dc3d5ffb4e2),
	U64_C(0x72be5d74f27b896f), U64_C(0x80deb1fe3b1696b1),
	U64_C(0x9bdc06a725c71235), U64_C(0xc19bf174cf692694),
	U64_C(0xe49b69c19ef14ad2), U64_C(0xefbe4786384f25e3),
	U64_C(0x0fc19dc68b8cd5b5), U64_C(0x240ca1cc77ac9c65),
	U64_C(0x2de92c6f592b0275), U64_C(0x4a7484aa6ea6e483),
	U64_C(0x5cb0a9dcbd41fbd4), U64_C(0x76f988da831153b5),
	U64_C(0x983e5152ee66dfab), U64_C(0xa831c66d2db43210),
	U64_C(0xb00327c898fb213f), U64_C(0xbf597fc7beef0ee4),
	U64_C(0xc6e00bf33da88fc2), U64_C(0xd5a79147930aa725),
	U64_C(0x06ca6351e003826f), U64_C(0x142929670a0e6e70),
	U64_C(0x27b70a8546d22ffc), U64_C(0x2e1b21385c26c926),
	U64_C(0x4d2c6dfc5ac42aed), U64_C(0x53380d139d95b3df),
	U64_C(0x650a73548baf63de), U64_C(0x766a0abb3c77b2a8),
	U64_C(0x81c2c92e47edaee6), U64_C(0x92722c851482353b),
	U64_C(0xa2bfe8a14cf10364), U64_C(0xa81a664bbc423001),
	U64_C(0xc24b8b70d0f89791), U64_C(0xc76c51a30654be30),
	U64_C(0xd192e819d6ef5218), U64_C(0xd69906245565a910),
	U64_C(0xf40e35855771202a), U64_C(0x106aa07032bbd1b8),
	U64_C(0x19a4c116b8d2d0c8), U64_C(0x1e376c085141ab53),
	U64_C(0x2748774cdf8eeb99), U64_C(0x34b0bcb5e19b48a8),
	U64_C(0x391c0cb3c5c95a63), U64_C(0x4ed8aa4ae3418acb),
	U64_C(0x5b9cca4f7763e373), U64_C(0x682e6ff3d6b2b8a3),
	U64_C(0x748f82ee5defb2fc), U64_C(0x78a5636f43172f60),
	U64_C(0x84c87814a1f0ab72), U64_C(0x8cc702081a6439ec),
	U64_C(0x90befffa23631e28), U64_C(0xa4506cebde82bde9),
	U64_C(0xbef9a3f7b2c67915), U64_C(0xc67178f2e372532b),
	U64_C(0xca273eceea26619c), U64_C(0xd186b8c721c0c207),
	U64_C(0xeada7dd6cde0eb1e), U64_C(0xf57d4f7fee6ed178),
	U64_C(0x06f067aa72176fba), U64_C(0x0a637dc5a2c898a6),
	U64_C(0x113f9804bef90dae), U64_C(0x1b710b35131c471b),
	U64_C(0x28db77f523047d84), U64_C(0x32caab7b40c72493),
	U64_C(0x3c9ebe0a15c9bebc), U64_C(0x431d67c49c100d4c),
	U64_C(0x4cc5d4becb3e42b6), U64_C(0x597f299cfc657e2a),
	U64_C(0x5fcb6fab3ad6faec), U64_C(0x6c44198c4a475817)
	};

	/* get values from the chaining vars */
	a = hd->h0;
	b = hd->h1;
	c = hd->h2;
	d = hd->h3;
	e = hd->h4;
	f = hd->h5;
	g = hd->h6;
	h = hd->h7;

	#ifdef WORDS_BIGENDIAN
	memcpy (w, data, 128);
	#else
	{
	int i;
	byte *p2;

	for (i = 0, p2 = (byte *) w; i < 16; i++, p2 += 8)
	{
	p2[7] = *data++;
	p2[6] = *data++;
	p2[5] = *data++;
	p2[4] = *data++;
	p2[3] = *data++;
	p2[2] = *data++;
	p2[1] = *data++;
	p2[0] = *data++;
	}
	}
	#endif

	#define S0(x) (ROTR((x),1) ^ ROTR((x),8) ^ ((x)>>7))
	#define S1(x) (ROTR((x),19) ^ ROTR((x),61) ^ ((x)>>6))

	for (t = 16; t < 80; t++)
	w[t] = S1 (w[t - 2]) + w[t - 7] + S0 (w[t - 15]) + w[t - 16];


	for (t = 0; t < 80; )
	{
	u64 t1, t2;

	/* Performance on a AMD Athlon(tm) Dual Core Processor 4050e
	with gcc 4.3.3 using gcry_md_hash_buffer of each 10000 bytes
	initialized to 0,1,2,3...255,0,... and 1000 iterations:

	Not unrolled with macros: 440ms
	Unrolled with macros: 350ms
	Unrolled with inline: 330ms
	*/
	#if 0 /* Not unrolled. */
	t1 = h + Sum1 (e) + Ch (e, f, g) + k[t] + w[t];
	t2 = Sum0 (a) + Maj (a, b, c);
	h = g;
	g = f;
	f = e;
	e = d + t1;
	d = c;
	c = b;
	b = a;
	a = t1 + t2;
	t++;
	#else /* Unrolled to interweave the chain variables. */
	t1 = h + Sum1 (e) + Ch (e, f, g) + k[t] + w[t];
	t2 = Sum0 (a) + Maj (a, b, c);
	d += t1;
	h = t1 + t2;

	t1 = g + Sum1 (d) + Ch (d, e, f) + k[t+1] + w[t+1];
	t2 = Sum0 (h) + Maj (h, a, b);
	c += t1;
	g = t1 + t2;

	t1 = f + Sum1 (c) + Ch (c, d, e) + k[t+2] + w[t+2];
	t2 = Sum0 (g) + Maj (g, h, a);
	b += t1;
	f = t1 + t2;

	t1 = e + Sum1 (b) + Ch (b, c, d) + k[t+3] + w[t+3];
	t2 = Sum0 (f) + Maj (f, g, h);
	a += t1;
	e = t1 + t2;

	t1 = d + Sum1 (a) + Ch (a, b, c) + k[t+4] + w[t+4];
	t2 = Sum0 (e) + Maj (e, f, g);
	h += t1;
	d = t1 + t2;

	t1 = c + Sum1 (h) + Ch (h, a, b) + k[t+5] + w[t+5];
	t2 = Sum0 (d) + Maj (d, e, f);
	g += t1;
	c = t1 + t2;

	t1 = b + Sum1 (g) + Ch (g, h, a) + k[t+6] + w[t+6];
	t2 = Sum0 (c) + Maj (c, d, e);
	f += t1;
	b = t1 + t2;

	t1 = a + Sum1 (f) + Ch (f, g, h) + k[t+7] + w[t+7];
	t2 = Sum0 (b) + Maj (b, c, d);
	e += t1;
	a = t1 + t2;

	t += 8;
	#endif
	}

	/* Update chaining vars. */
	hd->h0 += a;
	hd->h1 += b;
	hd->h2 += c;
	hd->h3 += d;
	hd->h4 += e;
	hd->h5 += f;
	hd->h6 += g;
	hd->h7 += h;
	}


	/* Update the message digest with the contents
	* of INBUF with length INLEN.
	*/
	static void
	sha512_write (void context, const void inbuf_arg, size_t inlen)
	{
	const unsigned char *inbuf = inbuf_arg;
	SHA512_CONTEXT *hd = context;

	if (hd->count == 128)
	{ /* flush the buffer */
	transform (hd, hd->buf);
	_gcry_burn_stack (768);
	hd->count = 0;
	hd->nblocks++;
	}
	if (!inbuf)
	return;
	if (hd->count)
	{
	for (; inlen && hd->count < 128; inlen--)
	hd->buf[hd->count++] = *inbuf++;
	sha512_write (context, NULL, 0);
	if (!inlen)
	return;
	}

	while (inlen >= 128)
	{
	transform (hd, inbuf);
	hd->count = 0;
	hd->nblocks++;
	inlen -= 128;
	inbuf += 128;
	}
	_gcry_burn_stack (768);
	for (; inlen && hd->count < 128; inlen--)
	hd->buf[hd->count++] = *inbuf++;
	}


	/* The routine final terminates the computation and
	* returns the digest.
	* The handle is prepared for a new cycle, but adding bytes to the
	* handle will the destroy the returned buffer.
	* Returns: 64 bytes representing the digest. When used for sha384,
	* we take the leftmost 48 of those bytes.
	*/

	static void
	sha512_final (void *context)
	{
	SHA512_CONTEXT *hd = context;
	u64 t, msb, lsb;
	byte *p;

	sha512_write (context, NULL, 0); /* flush */ ;

	t = hd->nblocks;
	/* multiply by 128 to make a byte count */
	lsb = t << 7;
	msb = t >> 57;
	/* add the count */
	t = lsb;
	if ((lsb += hd->count) < t)
	msb++;
	/* multiply by 8 to make a bit count */
	t = lsb;
	lsb <<= 3;
	msb <<= 3;
	msb \|= t >> 61;

	if (hd->count < 112)
	{ /* enough room */
	hd->buf[hd->count++] = 0x80; /* pad */
	while (hd->count < 112)
	hd->buf[hd->count++] = 0; /* pad */
	}
	else
	{ /* need one extra block */
	hd->buf[hd->count++] = 0x80; /* pad character */
	while (hd->count < 128)
	hd->buf[hd->count++] = 0;
	sha512_write (context, NULL, 0); /* flush */ ;
	memset (hd->buf, 0, 112); /* fill next block with zeroes */
	}
	/* append the 128 bit count */
	hd->buf[112] = msb >> 56;
	hd->buf[113] = msb >> 48;
	hd->buf[114] = msb >> 40;
	hd->buf[115] = msb >> 32;
	hd->buf[116] = msb >> 24;
	hd->buf[117] = msb >> 16;
	hd->buf[118] = msb >> 8;
	hd->buf[119] = msb;

	hd->buf[120] = lsb >> 56;
	hd->buf[121] = lsb >> 48;
	hd->buf[122] = lsb >> 40;
	hd->buf[123] = lsb >> 32;
	hd->buf[124] = lsb >> 24;
	hd->buf[125] = lsb >> 16;
	hd->buf[126] = lsb >> 8;
	hd->buf[127] = lsb;
	transform (hd, hd->buf);
	_gcry_burn_stack (768);

	p = hd->buf;
	#ifdef WORDS_BIGENDIAN
	#define X(a) do { (u64)p = hd->h##a ; p += 8; } while (0)
	#else /* little endian */
	#define X(a) do { p++ = hd->h##a >> 56; p++ = hd->h##a >> 48; \
	p++ = hd->h##a >> 40; p++ = hd->h##a >> 32; \
	p++ = hd->h##a >> 24; p++ = hd->h##a >> 16; \
	p++ = hd->h##a >> 8; p++ = hd->h##a; } while (0)
	#endif
	X (0);
	X (1);
	X (2);
	X (3);
	X (4);
	X (5);
	/* Note that these last two chunks are included even for SHA384.
	We just ignore them. */
	X (6);
	X (7);
	#undef X
	}

	static byte *
	sha512_read (void *context)
	{
	SHA512_CONTEXT hd = (SHA512_CONTEXT ) context;
	return hd->buf;
	}



	/*
	Self-test section.
	*/


	static gpg_err_code_t
	selftests_sha384 (int extended, selftest_report_func_t report)
	{
	const char *what;
	const char *errtxt;

	what = "short string";
	errtxt = _gcry_hash_selftest_check_one
	(GCRY_MD_SHA384, 0,
	"abc", 3,
	"\xcb\x00\x75\x3f\x45\xa3\x5e\x8b\xb5\xa0\x3d\x69\x9a\xc6\x50\x07"
	"\x27\x2c\x32\xab\x0e\xde\xd1\x63\x1a\x8b\x60\x5a\x43\xff\x5b\xed"
	"\x80\x86\x07\x2b\xa1\xe7\xcc\x23\x58\xba\xec\xa1\x34\xc8\x25\xa7", 48);
	if (errtxt)
	goto failed;

	if (extended)
	{
	what = "long string";
	errtxt = _gcry_hash_selftest_check_one
	(GCRY_MD_SHA384, 0,
	"abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn"
	"hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu", 112,
	"\x09\x33\x0C\x33\xF7\x11\x47\xE8\x3D\x19\x2F\xC7\x82\xCD\x1B\x47"
	"\x53\x11\x1B\x17\x3B\x3B\x05\xD2\x2F\xA0\x80\x86\xE3\xB0\xF7\x12"
	"\xFC\xC7\xC7\x1A\x55\x7E\x2D\xB9\x66\xC3\xE9\xFA\x91\x74\x60\x39",
	48);
	if (errtxt)
	goto failed;

	what = "one million \"a\"";
	errtxt = _gcry_hash_selftest_check_one
	(GCRY_MD_SHA384, 1,
	NULL, 0,
	"\x9D\x0E\x18\x09\x71\x64\x74\xCB\x08\x6E\x83\x4E\x31\x0A\x4A\x1C"
	"\xED\x14\x9E\x9C\x00\xF2\x48\x52\x79\x72\xCE\xC5\x70\x4C\x2A\x5B"
	"\x07\xB8\xB3\xDC\x38\xEC\xC4\xEB\xAE\x97\xDD\xD8\x7F\x3D\x89\x85",
	48);
	if (errtxt)
	goto failed;
	}

	return 0; /* Succeeded. */

	failed:
	if (report)
	report ("digest", GCRY_MD_SHA384, what, errtxt);
	return GPG_ERR_SELFTEST_FAILED;
	}

	static gpg_err_code_t
	selftests_sha512 (int extended, selftest_report_func_t report)
	{
	const char *what;
	const char *errtxt;

	what = "short string";
	errtxt = _gcry_hash_selftest_check_one
	(GCRY_MD_SHA512, 0,
	"abc", 3,
	"\xDD\xAF\x35\xA1\x93\x61\x7A\xBA\xCC\x41\x73\x49\xAE\x20\x41\x31"
	"\x12\xE6\xFA\x4E\x89\xA9\x7E\xA2\x0A\x9E\xEE\xE6\x4B\x55\xD3\x9A"
	"\x21\x92\x99\x2A\x27\x4F\xC1\xA8\x36\xBA\x3C\x23\xA3\xFE\xEB\xBD"
	"\x45\x4D\x44\x23\x64\x3C\xE8\x0E\x2A\x9A\xC9\x4F\xA5\x4C\xA4\x9F", 64);
	if (errtxt)
	goto failed;

	if (extended)
	{
	what = "long string";
	errtxt = _gcry_hash_selftest_check_one
	(GCRY_MD_SHA512, 0,
	"abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn"
	"hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu", 112,
	"\x8E\x95\x9B\x75\xDA\xE3\x13\xDA\x8C\xF4\xF7\x28\x14\xFC\x14\x3F"
	"\x8F\x77\x79\xC6\xEB\x9F\x7F\xA1\x72\x99\xAE\xAD\xB6\x88\x90\x18"
	"\x50\x1D\x28\x9E\x49\x00\xF7\xE4\x33\x1B\x99\xDE\xC4\xB5\x43\x3A"
	"\xC7\xD3\x29\xEE\xB6\xDD\x26\x54\x5E\x96\xE5\x5B\x87\x4B\xE9\x09",
	64);
	if (errtxt)
	goto failed;

	what = "one million \"a\"";
	errtxt = _gcry_hash_selftest_check_one
	(GCRY_MD_SHA512, 1,
	NULL, 0,
	"\xE7\x18\x48\x3D\x0C\xE7\x69\x64\x4E\x2E\x42\xC7\xBC\x15\xB4\x63"
	"\x8E\x1F\x98\xB1\x3B\x20\x44\x28\x56\x32\xA8\x03\xAF\xA9\x73\xEB"
	"\xDE\x0F\xF2\x44\x87\x7E\xA6\x0A\x4C\xB0\x43\x2C\xE5\x77\xC3\x1B"
	"\xEB\x00\x9C\x5C\x2C\x49\xAA\x2E\x4E\xAD\xB2\x17\xAD\x8C\xC0\x9B",
	64);
	if (errtxt)
	goto failed;
	}

	return 0; /* Succeeded. */

	failed:
	if (report)
	report ("digest", GCRY_MD_SHA512, what, errtxt);
	return GPG_ERR_SELFTEST_FAILED;
	}


	/* Run a full self-test for ALGO and return 0 on success. */
	static gpg_err_code_t
	run_selftests (int algo, int extended, selftest_report_func_t report)
	{
	gpg_err_code_t ec;

	switch (algo)
	{
	case GCRY_MD_SHA384:
	ec = selftests_sha384 (extended, report);
	break;
	case GCRY_MD_SHA512:
	ec = selftests_sha512 (extended, report);
	break;
	default:
	ec = GPG_ERR_DIGEST_ALGO;
	break;

	}
	return ec;
	}




	static byte sha512_asn[] = /* Object ID is 2.16.840.1.101.3.4.2.3 */
	{
	0x30, 0x51, 0x30, 0x0d, 0x06, 0x09, 0x60, 0x86,
	0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x03, 0x05,
	0x00, 0x04, 0x40
	};

	static gcry_md_oid_spec_t oid_spec_sha512[] =
	{
	{ "2.16.840.1.101.3.4.2.3" },

	/* PKCS#1 sha512WithRSAEncryption */
	{ "1.2.840.113549.1.1.13" },

	{ NULL }
	};

	gcry_md_spec_t _gcry_digest_spec_sha512 =
	{
	"SHA512", sha512_asn, DIM (sha512_asn), oid_spec_sha512, 64,
	sha512_init, sha512_write, sha512_final, sha512_read,
	sizeof (SHA512_CONTEXT),
	};
	md_extra_spec_t _gcry_digest_extraspec_sha512 =
	{
	run_selftests
	};

	static byte sha384_asn[] = /* Object ID is 2.16.840.1.101.3.4.2.2 */
	{
	0x30, 0x41, 0x30, 0x0d, 0x06, 0x09, 0x60, 0x86,
	0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x02, 0x05,
	0x00, 0x04, 0x30
	};

	static gcry_md_oid_spec_t oid_spec_sha384[] =
	{
	{ "2.16.840.1.101.3.4.2.2" },

	/* PKCS#1 sha384WithRSAEncryption */
	{ "1.2.840.113549.1.1.12" },

	{ NULL },
	};

	gcry_md_spec_t _gcry_digest_spec_sha384 =
	{
	"SHA384", sha384_asn, DIM (sha384_asn), oid_spec_sha384, 48,
	sha384_init, sha512_write, sha512_final, sha512_read,
	sizeof (SHA512_CONTEXT),
	};
	md_extra_spec_t _gcry_digest_extraspec_sha384 =
	{
	run_selftests
	};