1 /* This file was automatically imported with
2 import_gcry.py. Please don't modify it */
3 /* sha512.c - SHA384 and SHA512 hash functions
4 * Copyright (C) 2003, 2008 Free Software Foundation, Inc.
6 * This file is part of Libgcrypt.
8 * Libgcrypt is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU Lesser general Public License as
10 * published by the Free Software Foundation; either version 2.1 of
11 * the License, or (at your option) any later version.
13 * Libgcrypt is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU Lesser General Public License for more details.
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this program; if not, see <http://www.gnu.org/licenses/>.
23 /* Test vectors from FIPS-180-2:
27 * CB00753F 45A35E8B B5A03D69 9AC65007 272C32AB 0EDED163
28 * 1A8B605A 43FF5BED 8086072B A1E7CC23 58BAECA1 34C825A7
30 * DDAF35A1 93617ABA CC417349 AE204131 12E6FA4E 89A97EA2 0A9EEEE6 4B55D39A
31 * 2192992A 274FC1A8 36BA3C23 A3FEEBBD 454D4423 643CE80E 2A9AC94F A54CA49F
33 * "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmnhijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu"
35 * 09330C33 F71147E8 3D192FC7 82CD1B47 53111B17 3B3B05D2
36 * 2FA08086 E3B0F712 FCC7C71A 557E2DB9 66C3E9FA 91746039
38 * 8E959B75 DAE313DA 8CF4F728 14FC143F 8F7779C6 EB9F7FA1 7299AEAD B6889018
39 * 501D289E 4900F7E4 331B99DE C4B5433A C7D329EE B6DD2654 5E96E55B 874BE909
43 * 9D0E1809 716474CB 086E834E 310A4A1C ED149E9C 00F24852
44 * 7972CEC5 704C2A5B 07B8B3DC 38ECC4EB AE97DDD8 7F3D8985
46 * E718483D 0CE76964 4E2E42C7 BC15B463 8E1F98B1 3B204428 5632A803 AFA973EB
47 * DE0FF244 877EA60A 4CB0432C E577C31B EB009C5C 2C49AA2E 4EADB217 AD8CC09B
54 #include "hash-common.h"
58 u64 h0
, h1
, h2
, h3
, h4
, h5
, h6
, h7
;
65 sha512_init (void *context
)
67 SHA512_CONTEXT
*hd
= context
;
69 hd
->h0
= U64_C(0x6a09e667f3bcc908);
70 hd
->h1
= U64_C(0xbb67ae8584caa73b);
71 hd
->h2
= U64_C(0x3c6ef372fe94f82b);
72 hd
->h3
= U64_C(0xa54ff53a5f1d36f1);
73 hd
->h4
= U64_C(0x510e527fade682d1);
74 hd
->h5
= U64_C(0x9b05688c2b3e6c1f);
75 hd
->h6
= U64_C(0x1f83d9abfb41bd6b);
76 hd
->h7
= U64_C(0x5be0cd19137e2179);
83 sha384_init (void *context
)
85 SHA512_CONTEXT
*hd
= context
;
87 hd
->h0
= U64_C(0xcbbb9d5dc1059ed8);
88 hd
->h1
= U64_C(0x629a292a367cd507);
89 hd
->h2
= U64_C(0x9159015a3070dd17);
90 hd
->h3
= U64_C(0x152fecd8f70e5939);
91 hd
->h4
= U64_C(0x67332667ffc00b31);
92 hd
->h5
= U64_C(0x8eb44a8768581511);
93 hd
->h6
= U64_C(0xdb0c2e0d64f98fa7);
94 hd
->h7
= U64_C(0x47b5481dbefa4fa4);
102 * Transform the message W which consists of 16 64-bit-words
105 transform (SHA512_CONTEXT
*hd
, const unsigned char *data
)
107 u64 a
, b
, c
, d
, e
, f
, g
, h
;
110 static const u64 k
[] =
112 U64_C(0x428a2f98d728ae22), U64_C(0x7137449123ef65cd),
113 U64_C(0xb5c0fbcfec4d3b2f), U64_C(0xe9b5dba58189dbbc),
114 U64_C(0x3956c25bf348b538), U64_C(0x59f111f1b605d019),
115 U64_C(0x923f82a4af194f9b), U64_C(0xab1c5ed5da6d8118),
116 U64_C(0xd807aa98a3030242), U64_C(0x12835b0145706fbe),
117 U64_C(0x243185be4ee4b28c), U64_C(0x550c7dc3d5ffb4e2),
118 U64_C(0x72be5d74f27b896f), U64_C(0x80deb1fe3b1696b1),
119 U64_C(0x9bdc06a725c71235), U64_C(0xc19bf174cf692694),
120 U64_C(0xe49b69c19ef14ad2), U64_C(0xefbe4786384f25e3),
121 U64_C(0x0fc19dc68b8cd5b5), U64_C(0x240ca1cc77ac9c65),
122 U64_C(0x2de92c6f592b0275), U64_C(0x4a7484aa6ea6e483),
123 U64_C(0x5cb0a9dcbd41fbd4), U64_C(0x76f988da831153b5),
124 U64_C(0x983e5152ee66dfab), U64_C(0xa831c66d2db43210),
125 U64_C(0xb00327c898fb213f), U64_C(0xbf597fc7beef0ee4),
126 U64_C(0xc6e00bf33da88fc2), U64_C(0xd5a79147930aa725),
127 U64_C(0x06ca6351e003826f), U64_C(0x142929670a0e6e70),
128 U64_C(0x27b70a8546d22ffc), U64_C(0x2e1b21385c26c926),
129 U64_C(0x4d2c6dfc5ac42aed), U64_C(0x53380d139d95b3df),
130 U64_C(0x650a73548baf63de), U64_C(0x766a0abb3c77b2a8),
131 U64_C(0x81c2c92e47edaee6), U64_C(0x92722c851482353b),
132 U64_C(0xa2bfe8a14cf10364), U64_C(0xa81a664bbc423001),
133 U64_C(0xc24b8b70d0f89791), U64_C(0xc76c51a30654be30),
134 U64_C(0xd192e819d6ef5218), U64_C(0xd69906245565a910),
135 U64_C(0xf40e35855771202a), U64_C(0x106aa07032bbd1b8),
136 U64_C(0x19a4c116b8d2d0c8), U64_C(0x1e376c085141ab53),
137 U64_C(0x2748774cdf8eeb99), U64_C(0x34b0bcb5e19b48a8),
138 U64_C(0x391c0cb3c5c95a63), U64_C(0x4ed8aa4ae3418acb),
139 U64_C(0x5b9cca4f7763e373), U64_C(0x682e6ff3d6b2b8a3),
140 U64_C(0x748f82ee5defb2fc), U64_C(0x78a5636f43172f60),
141 U64_C(0x84c87814a1f0ab72), U64_C(0x8cc702081a6439ec),
142 U64_C(0x90befffa23631e28), U64_C(0xa4506cebde82bde9),
143 U64_C(0xbef9a3f7b2c67915), U64_C(0xc67178f2e372532b),
144 U64_C(0xca273eceea26619c), U64_C(0xd186b8c721c0c207),
145 U64_C(0xeada7dd6cde0eb1e), U64_C(0xf57d4f7fee6ed178),
146 U64_C(0x06f067aa72176fba), U64_C(0x0a637dc5a2c898a6),
147 U64_C(0x113f9804bef90dae), U64_C(0x1b710b35131c471b),
148 U64_C(0x28db77f523047d84), U64_C(0x32caab7b40c72493),
149 U64_C(0x3c9ebe0a15c9bebc), U64_C(0x431d67c49c100d4c),
150 U64_C(0x4cc5d4becb3e42b6), U64_C(0x597f299cfc657e2a),
151 U64_C(0x5fcb6fab3ad6faec), U64_C(0x6c44198c4a475817)
154 /* get values from the chaining vars */
164 #ifdef WORDS_BIGENDIAN
165 memcpy (w
, data
, 128);
171 for (i
= 0, p2
= (byte
*) w
; i
< 16; i
++, p2
+= 8)
185 #define ROTR(x,n) (((x)>>(n)) | ((x)<<(64-(n))))
186 #define Ch(x,y,z) (((x) & (y)) ^ ((~(x)) & (z)))
187 #define Maj(x,y,z) (((x) & (y)) ^ ((x) & (z)) ^ ((y) & (z)))
188 #define Sum0(x) (ROTR((x),28) ^ ROTR((x),34) ^ ROTR((x),39))
189 #define Sum1(x) (ROTR((x),14) ^ ROTR((x),18) ^ ROTR((x),41))
190 #define S0(x) (ROTR((x),1) ^ ROTR((x),8) ^ ((x)>>7))
191 #define S1(x) (ROTR((x),19) ^ ROTR((x),61) ^ ((x)>>6))
193 for (t
= 16; t
< 80; t
++)
194 w
[t
] = S1 (w
[t
- 2]) + w
[t
- 7] + S0 (w
[t
- 15]) + w
[t
- 16];
196 for (t
= 0; t
< 80; t
++)
200 t1
= h
+ Sum1 (e
) + Ch (e
, f
, g
) + k
[t
] + w
[t
];
201 t2
= Sum0 (a
) + Maj (a
, b
, c
);
211 /* printf("t=%d a=%016llX b=%016llX c=%016llX d=%016llX "
212 "e=%016llX f=%016llX g=%016llX h=%016llX\n",t,a,b,c,d,e,f,g,h); */
215 /* update chaining vars */
227 /* Update the message digest with the contents
228 * of INBUF with length INLEN.
231 sha512_write (void *context
, const void *inbuf_arg
, size_t inlen
)
233 const unsigned char *inbuf
= inbuf_arg
;
234 SHA512_CONTEXT
*hd
= context
;
236 if (hd
->count
== 128)
237 { /* flush the buffer */
238 transform (hd
, hd
->buf
);
239 _gcry_burn_stack (768);
247 for (; inlen
&& hd
->count
< 128; inlen
--)
248 hd
->buf
[hd
->count
++] = *inbuf
++;
249 sha512_write (context
, NULL
, 0);
256 transform (hd
, inbuf
);
262 _gcry_burn_stack (768);
263 for (; inlen
&& hd
->count
< 128; inlen
--)
264 hd
->buf
[hd
->count
++] = *inbuf
++;
268 /* The routine final terminates the computation and
269 * returns the digest.
270 * The handle is prepared for a new cycle, but adding bytes to the
271 * handle will the destroy the returned buffer.
272 * Returns: 64 bytes representing the digest. When used for sha384,
273 * we take the leftmost 48 of those bytes.
277 sha512_final (void *context
)
279 SHA512_CONTEXT
*hd
= context
;
283 sha512_write (context
, NULL
, 0); /* flush */ ;
286 /* multiply by 128 to make a byte count */
291 if ((lsb
+= hd
->count
) < t
)
293 /* multiply by 8 to make a bit count */
301 hd
->buf
[hd
->count
++] = 0x80; /* pad */
302 while (hd
->count
< 112)
303 hd
->buf
[hd
->count
++] = 0; /* pad */
306 { /* need one extra block */
307 hd
->buf
[hd
->count
++] = 0x80; /* pad character */
308 while (hd
->count
< 128)
309 hd
->buf
[hd
->count
++] = 0;
310 sha512_write (context
, NULL
, 0); /* flush */ ;
311 memset (hd
->buf
, 0, 112); /* fill next block with zeroes */
313 /* append the 128 bit count */
314 hd
->buf
[112] = msb
>> 56;
315 hd
->buf
[113] = msb
>> 48;
316 hd
->buf
[114] = msb
>> 40;
317 hd
->buf
[115] = msb
>> 32;
318 hd
->buf
[116] = msb
>> 24;
319 hd
->buf
[117] = msb
>> 16;
320 hd
->buf
[118] = msb
>> 8;
323 hd
->buf
[120] = lsb
>> 56;
324 hd
->buf
[121] = lsb
>> 48;
325 hd
->buf
[122] = lsb
>> 40;
326 hd
->buf
[123] = lsb
>> 32;
327 hd
->buf
[124] = lsb
>> 24;
328 hd
->buf
[125] = lsb
>> 16;
329 hd
->buf
[126] = lsb
>> 8;
331 transform (hd
, hd
->buf
);
332 _gcry_burn_stack (768);
335 #ifdef WORDS_BIGENDIAN
336 #define X(a) do { *(u64*)p = hd->h##a ; p += 8; } while (0)
337 #else /* little endian */
338 #define X(a) do { *p++ = hd->h##a >> 56; *p++ = hd->h##a >> 48; \
339 *p++ = hd->h##a >> 40; *p++ = hd->h##a >> 32; \
340 *p++ = hd->h##a >> 24; *p++ = hd->h##a >> 16; \
341 *p++ = hd->h##a >> 8; *p++ = hd->h##a; } while (0)
349 /* Note that these last two chunks are included even for SHA384.
350 We just ignore them. */
357 sha512_read (void *context
)
359 SHA512_CONTEXT
*hd
= (SHA512_CONTEXT
*) context
;
373 /* Run a full self-test for ALGO and return 0 on success. */
378 static byte sha512_asn
[] = /* Object ID is 2.16.840.1.101.3.4.2.3 */
380 0x30, 0x51, 0x30, 0x0d, 0x06, 0x09, 0x60, 0x86,
381 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x03, 0x05,
385 static gcry_md_oid_spec_t oid_spec_sha512
[] =
387 { "2.16.840.1.101.3.4.2.3" },
389 /* PKCS#1 sha512WithRSAEncryption */
390 { "1.2.840.113549.1.1.13" },
395 gcry_md_spec_t _gcry_digest_spec_sha512
=
397 "SHA512", sha512_asn
, DIM (sha512_asn
), oid_spec_sha512
, 64,
398 sha512_init
, sha512_write
, sha512_final
, sha512_read
,
399 sizeof (SHA512_CONTEXT
),
403 static byte sha384_asn
[] = /* Object ID is 2.16.840.1.101.3.4.2.2 */
405 0x30, 0x41, 0x30, 0x0d, 0x06, 0x09, 0x60, 0x86,
406 0x48, 0x01, 0x65, 0x03, 0x04, 0x02, 0x02, 0x05,
410 static gcry_md_oid_spec_t oid_spec_sha384
[] =
412 { "2.16.840.1.101.3.4.2.2" },
414 /* PKCS#1 sha384WithRSAEncryption */
415 { "1.2.840.113549.1.1.12" },
420 gcry_md_spec_t _gcry_digest_spec_sha384
=
422 "SHA384", sha384_asn
, DIM (sha384_asn
), oid_spec_sha384
, 48,
423 sha384_init
, sha512_write
, sha512_final
, sha512_read
,
424 sizeof (SHA512_CONTEXT
),
429 GRUB_MOD_INIT(gcry_sha512
)
431 grub_md_register (&_gcry_digest_spec_sha512
);
432 grub_md_register (&_gcry_digest_spec_sha384
);
435 GRUB_MOD_FINI(gcry_sha512
)
437 grub_md_unregister (&_gcry_digest_spec_sha512
);
438 grub_md_unregister (&_gcry_digest_spec_sha384
);