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-rw-r--r--grub-core/lib/libgcrypt-grub/cipher/sha512.c525
1 files changed, 525 insertions, 0 deletions
diff --git a/grub-core/lib/libgcrypt-grub/cipher/sha512.c b/grub-core/lib/libgcrypt-grub/cipher/sha512.c
new file mode 100644
index 0000000..717551c
--- /dev/null
+++ b/grub-core/lib/libgcrypt-grub/cipher/sha512.c
@@ -0,0 +1,525 @@
+/* This file was automatically imported with
+ import_gcry.py. Please don't modify it */
+#include <grub/dl.h>
+GRUB_MOD_LICENSE ("GPLv3+");
+/* 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 "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.
+ */
+
+
+
+
+
+/* Run a full self-test for ALGO and return 0 on success. */
+
+
+
+
+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),
+#ifdef GRUB_UTIL
+ .modname = "gcry_sha512",
+#endif
+ .blocksize = 128
+ };
+
+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),
+#ifdef GRUB_UTIL
+ .modname = "gcry_sha512",
+#endif
+ .blocksize = 128
+ };
+
+
+GRUB_MOD_INIT(gcry_sha512)
+{
+ COMPILE_TIME_ASSERT(sizeof (SHA512_CONTEXT) <= GRUB_CRYPTO_MAX_MD_CONTEXT_SIZE);
+ COMPILE_TIME_ASSERT(sizeof (SHA512_CONTEXT) <= GRUB_CRYPTO_MAX_MD_CONTEXT_SIZE);
+ grub_md_register (&_gcry_digest_spec_sha512);
+ grub_md_register (&_gcry_digest_spec_sha384);
+}
+
+GRUB_MOD_FINI(gcry_sha512)
+{
+ grub_md_unregister (&_gcry_digest_spec_sha512);
+ grub_md_unregister (&_gcry_digest_spec_sha384);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-05 07:16:59 +0000