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Diffstat (limited to 'plugins/MirOTR/Libgcrypt/cipher/sha512.c')
-rw-r--r--plugins/MirOTR/Libgcrypt/cipher/sha512.c624
1 files changed, 433 insertions, 191 deletions
diff --git a/plugins/MirOTR/Libgcrypt/cipher/sha512.c b/plugins/MirOTR/Libgcrypt/cipher/sha512.c
index 59c3e6586e..6f729cc02e 100644
--- a/plugins/MirOTR/Libgcrypt/cipher/sha512.c
+++ b/plugins/MirOTR/Libgcrypt/cipher/sha512.c
@@ -50,21 +50,83 @@
#include <string.h>
#include "g10lib.h"
#include "bithelp.h"
+#include "bufhelp.h"
#include "cipher.h"
#include "hash-common.h"
+
+/* USE_ARM_NEON_ASM indicates whether to enable ARM NEON assembly code. */
+#undef USE_ARM_NEON_ASM
+#ifdef ENABLE_NEON_SUPPORT
+# if defined(HAVE_ARM_ARCH_V6) && defined(__ARMEL__) \
+ && defined(HAVE_COMPATIBLE_GCC_ARM_PLATFORM_AS) \
+ && defined(HAVE_GCC_INLINE_ASM_NEON)
+# define USE_ARM_NEON_ASM 1
+# endif
+#endif /*ENABLE_NEON_SUPPORT*/
+
+
+/* USE_SSSE3 indicates whether to compile with Intel SSSE3 code. */
+#undef USE_SSSE3
+#if defined(__x86_64__) && defined(HAVE_COMPATIBLE_GCC_AMD64_PLATFORM_AS) && \
+ defined(HAVE_GCC_INLINE_ASM_SSSE3) && \
+ defined(HAVE_INTEL_SYNTAX_PLATFORM_AS)
+# define USE_SSSE3 1
+#endif
+
+
+/* USE_AVX indicates whether to compile with Intel AVX code. */
+#undef USE_AVX
+#if defined(__x86_64__) && defined(HAVE_COMPATIBLE_GCC_AMD64_PLATFORM_AS) && \
+ defined(HAVE_GCC_INLINE_ASM_AVX) && \
+ defined(HAVE_INTEL_SYNTAX_PLATFORM_AS)
+# define USE_AVX 1
+#endif
+
+
+/* USE_AVX2 indicates whether to compile with Intel AVX2/rorx code. */
+#undef USE_AVX2
+#if defined(__x86_64__) && defined(HAVE_COMPATIBLE_GCC_AMD64_PLATFORM_AS) && \
+ defined(HAVE_GCC_INLINE_ASM_AVX2) && defined(HAVE_GCC_INLINE_ASM_BMI2) && \
+ defined(HAVE_INTEL_SYNTAX_PLATFORM_AS)
+# define USE_AVX2 1
+#endif
+
+
typedef struct
{
u64 h0, h1, h2, h3, h4, h5, h6, h7;
- u64 nblocks;
- byte buf[128];
- int count;
+} SHA512_STATE;
+
+typedef struct
+{
+ gcry_md_block_ctx_t bctx;
+ SHA512_STATE state;
+#ifdef USE_ARM_NEON_ASM
+ unsigned int use_neon:1;
+#endif
+#ifdef USE_SSSE3
+ unsigned int use_ssse3:1;
+#endif
+#ifdef USE_AVX
+ unsigned int use_avx:1;
+#endif
+#ifdef USE_AVX2
+ unsigned int use_avx2:1;
+#endif
} SHA512_CONTEXT;
+static unsigned int
+transform (void *context, const unsigned char *data);
+
static void
-sha512_init (void *context)
+sha512_init (void *context, unsigned int flags)
{
- SHA512_CONTEXT *hd = context;
+ SHA512_CONTEXT *ctx = context;
+ SHA512_STATE *hd = &ctx->state;
+ unsigned int features = _gcry_get_hw_features ();
+
+ (void)flags;
hd->h0 = U64_C(0x6a09e667f3bcc908);
hd->h1 = U64_C(0xbb67ae8584caa73b);
@@ -75,14 +137,36 @@ sha512_init (void *context)
hd->h6 = U64_C(0x1f83d9abfb41bd6b);
hd->h7 = U64_C(0x5be0cd19137e2179);
- hd->nblocks = 0;
- hd->count = 0;
+ ctx->bctx.nblocks = 0;
+ ctx->bctx.nblocks_high = 0;
+ ctx->bctx.count = 0;
+ ctx->bctx.blocksize = 128;
+ ctx->bctx.bwrite = transform;
+
+#ifdef USE_ARM_NEON_ASM
+ ctx->use_neon = (features & HWF_ARM_NEON) != 0;
+#endif
+#ifdef USE_SSSE3
+ ctx->use_ssse3 = (features & HWF_INTEL_SSSE3) != 0;
+#endif
+#ifdef USE_AVX
+ ctx->use_avx = (features & HWF_INTEL_AVX) && (features & HWF_INTEL_CPU);
+#endif
+#ifdef USE_AVX2
+ ctx->use_avx2 = (features & HWF_INTEL_AVX2) && (features & HWF_INTEL_BMI2);
+#endif
+
+ (void)features;
}
static void
-sha384_init (void *context)
+sha384_init (void *context, unsigned int flags)
{
- SHA512_CONTEXT *hd = context;
+ SHA512_CONTEXT *ctx = context;
+ SHA512_STATE *hd = &ctx->state;
+ unsigned int features = _gcry_get_hw_features ();
+
+ (void)flags;
hd->h0 = U64_C(0xcbbb9d5dc1059ed8);
hd->h1 = U64_C(0x629a292a367cd507);
@@ -93,8 +177,26 @@ sha384_init (void *context)
hd->h6 = U64_C(0xdb0c2e0d64f98fa7);
hd->h7 = U64_C(0x47b5481dbefa4fa4);
- hd->nblocks = 0;
- hd->count = 0;
+ ctx->bctx.nblocks = 0;
+ ctx->bctx.nblocks_high = 0;
+ ctx->bctx.count = 0;
+ ctx->bctx.blocksize = 128;
+ ctx->bctx.bwrite = transform;
+
+#ifdef USE_ARM_NEON_ASM
+ ctx->use_neon = (features & HWF_ARM_NEON) != 0;
+#endif
+#ifdef USE_SSSE3
+ ctx->use_ssse3 = (features & HWF_INTEL_SSSE3) != 0;
+#endif
+#ifdef USE_AVX
+ ctx->use_avx = (features & HWF_INTEL_AVX) && (features & HWF_INTEL_CPU);
+#endif
+#ifdef USE_AVX2
+ ctx->use_avx2 = (features & HWF_INTEL_AVX2) && (features & HWF_INTEL_BMI2);
+#endif
+
+ (void)features;
}
@@ -128,58 +230,59 @@ Sum1 (u64 x)
return (ROTR (x, 14) ^ ROTR (x, 18) ^ ROTR (x, 41));
}
+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)
+ };
+
/****************
* Transform the message W which consists of 16 64-bit-words
*/
-static void
-transform (SHA512_CONTEXT *hd, const unsigned char *data)
+static unsigned int
+__transform (SHA512_STATE *hd, const unsigned char *data)
{
u64 a, b, c, d, e, f, g, h;
- u64 w[80];
+ u64 w[16];
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;
@@ -191,35 +294,14 @@ transform (SHA512_CONTEXT *hd, const unsigned char *data)
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
+ for ( t = 0; t < 16; t++ )
+ w[t] = buf_get_be64(data + t * 8);
#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; )
+ for (t = 0; t < 80 - 16; )
{
u64 t1, t2;
@@ -232,7 +314,8 @@ transform (SHA512_CONTEXT *hd, const unsigned char *data)
Unrolled with inline: 330ms
*/
#if 0 /* Not unrolled. */
- t1 = h + Sum1 (e) + Ch (e, f, g) + k[t] + w[t];
+ t1 = h + Sum1 (e) + Ch (e, f, g) + k[t] + w[t%16];
+ w[t%16] += S1 (w[(t - 2)%16]) + w[(t - 7)%16] + S0 (w[(t - 15)%16]);
t2 = Sum0 (a) + Maj (a, b, c);
h = g;
g = f;
@@ -244,47 +327,204 @@ transform (SHA512_CONTEXT *hd, const unsigned char *data)
a = t1 + t2;
t++;
#else /* Unrolled to interweave the chain variables. */
- t1 = h + Sum1 (e) + Ch (e, f, g) + k[t] + w[t];
+ t1 = h + Sum1 (e) + Ch (e, f, g) + k[t] + w[0];
+ w[0] += S1 (w[14]) + w[9] + S0 (w[1]);
+ t2 = Sum0 (a) + Maj (a, b, c);
+ d += t1;
+ h = t1 + t2;
+
+ t1 = g + Sum1 (d) + Ch (d, e, f) + k[t+1] + w[1];
+ w[1] += S1 (w[15]) + w[10] + S0 (w[2]);
+ t2 = Sum0 (h) + Maj (h, a, b);
+ c += t1;
+ g = t1 + t2;
+
+ t1 = f + Sum1 (c) + Ch (c, d, e) + k[t+2] + w[2];
+ w[2] += S1 (w[0]) + w[11] + S0 (w[3]);
+ t2 = Sum0 (g) + Maj (g, h, a);
+ b += t1;
+ f = t1 + t2;
+
+ t1 = e + Sum1 (b) + Ch (b, c, d) + k[t+3] + w[3];
+ w[3] += S1 (w[1]) + w[12] + S0 (w[4]);
+ t2 = Sum0 (f) + Maj (f, g, h);
+ a += t1;
+ e = t1 + t2;
+
+ t1 = d + Sum1 (a) + Ch (a, b, c) + k[t+4] + w[4];
+ w[4] += S1 (w[2]) + w[13] + S0 (w[5]);
+ t2 = Sum0 (e) + Maj (e, f, g);
+ h += t1;
+ d = t1 + t2;
+
+ t1 = c + Sum1 (h) + Ch (h, a, b) + k[t+5] + w[5];
+ w[5] += S1 (w[3]) + w[14] + S0 (w[6]);
+ t2 = Sum0 (d) + Maj (d, e, f);
+ g += t1;
+ c = t1 + t2;
+
+ t1 = b + Sum1 (g) + Ch (g, h, a) + k[t+6] + w[6];
+ w[6] += S1 (w[4]) + w[15] + S0 (w[7]);
+ t2 = Sum0 (c) + Maj (c, d, e);
+ f += t1;
+ b = t1 + t2;
+
+ t1 = a + Sum1 (f) + Ch (f, g, h) + k[t+7] + w[7];
+ w[7] += S1 (w[5]) + w[0] + S0 (w[8]);
+ t2 = Sum0 (b) + Maj (b, c, d);
+ e += t1;
+ a = t1 + t2;
+
+ t1 = h + Sum1 (e) + Ch (e, f, g) + k[t+8] + w[8];
+ w[8] += S1 (w[6]) + w[1] + S0 (w[9]);
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];
+ t1 = g + Sum1 (d) + Ch (d, e, f) + k[t+9] + w[9];
+ w[9] += S1 (w[7]) + w[2] + S0 (w[10]);
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];
+ t1 = f + Sum1 (c) + Ch (c, d, e) + k[t+10] + w[10];
+ w[10] += S1 (w[8]) + w[3] + S0 (w[11]);
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];
+ t1 = e + Sum1 (b) + Ch (b, c, d) + k[t+11] + w[11];
+ w[11] += S1 (w[9]) + w[4] + S0 (w[12]);
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];
+ t1 = d + Sum1 (a) + Ch (a, b, c) + k[t+12] + w[12];
+ w[12] += S1 (w[10]) + w[5] + S0 (w[13]);
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];
+ t1 = c + Sum1 (h) + Ch (h, a, b) + k[t+13] + w[13];
+ w[13] += S1 (w[11]) + w[6] + S0 (w[14]);
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];
+ t1 = b + Sum1 (g) + Ch (g, h, a) + k[t+14] + w[14];
+ w[14] += S1 (w[12]) + w[7] + S0 (w[15]);
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];
+ t1 = a + Sum1 (f) + Ch (f, g, h) + k[t+15] + w[15];
+ w[15] += S1 (w[13]) + w[8] + S0 (w[0]);
t2 = Sum0 (b) + Maj (b, c, d);
e += t1;
a = t1 + t2;
-
- t += 8;
+
+ t += 16;
+#endif
+ }
+
+ for (; t < 80; )
+ {
+ u64 t1, t2;
+
+#if 0 /* Not unrolled. */
+ t1 = h + Sum1 (e) + Ch (e, f, g) + k[t] + w[t%16];
+ 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[0];
+ t2 = Sum0 (a) + Maj (a, b, c);
+ d += t1;
+ h = t1 + t2;
+
+ t1 = g + Sum1 (d) + Ch (d, e, f) + k[t+1] + w[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[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[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[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[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[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[7];
+ t2 = Sum0 (b) + Maj (b, c, d);
+ e += t1;
+ a = t1 + t2;
+
+ t1 = h + Sum1 (e) + Ch (e, f, g) + k[t+8] + w[8];
+ t2 = Sum0 (a) + Maj (a, b, c);
+ d += t1;
+ h = t1 + t2;
+
+ t1 = g + Sum1 (d) + Ch (d, e, f) + k[t+9] + w[9];
+ t2 = Sum0 (h) + Maj (h, a, b);
+ c += t1;
+ g = t1 + t2;
+
+ t1 = f + Sum1 (c) + Ch (c, d, e) + k[t+10] + w[10];
+ t2 = Sum0 (g) + Maj (g, h, a);
+ b += t1;
+ f = t1 + t2;
+
+ t1 = e + Sum1 (b) + Ch (b, c, d) + k[t+11] + w[11];
+ t2 = Sum0 (f) + Maj (f, g, h);
+ a += t1;
+ e = t1 + t2;
+
+ t1 = d + Sum1 (a) + Ch (a, b, c) + k[t+12] + w[12];
+ t2 = Sum0 (e) + Maj (e, f, g);
+ h += t1;
+ d = t1 + t2;
+
+ t1 = c + Sum1 (h) + Ch (h, a, b) + k[t+13] + w[13];
+ t2 = Sum0 (d) + Maj (d, e, f);
+ g += t1;
+ c = t1 + t2;
+
+ t1 = b + Sum1 (g) + Ch (g, h, a) + k[t+14] + w[14];
+ t2 = Sum0 (c) + Maj (c, d, e);
+ f += t1;
+ b = t1 + t2;
+
+ t1 = a + Sum1 (f) + Ch (f, g, h) + k[t+15] + w[15];
+ t2 = Sum0 (b) + Maj (b, c, d);
+ e += t1;
+ a = t1 + t2;
+
+ t += 16;
#endif
}
@@ -297,47 +537,69 @@ transform (SHA512_CONTEXT *hd, const unsigned char *data)
hd->h5 += f;
hd->h6 += g;
hd->h7 += h;
+
+ return /* burn_stack */ (8 + 16) * sizeof(u64) + sizeof(u32) +
+ 3 * sizeof(void*);
}
-/* 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)
+#ifdef USE_ARM_NEON_ASM
+void _gcry_sha512_transform_armv7_neon (SHA512_STATE *hd,
+ const unsigned char *data,
+ const u64 k[]);
+#endif
+
+#ifdef USE_SSSE3
+unsigned int _gcry_sha512_transform_amd64_ssse3(const void *input_data,
+ void *state, size_t num_blks);
+#endif
+
+#ifdef USE_AVX
+unsigned int _gcry_sha512_transform_amd64_avx(const void *input_data,
+ void *state, size_t num_blks);
+#endif
+
+#ifdef USE_AVX2
+unsigned int _gcry_sha512_transform_amd64_avx2(const void *input_data,
+ void *state, size_t num_blks);
+#endif
+
+
+static unsigned int
+transform (void *context, const unsigned char *data)
{
- const unsigned char *inbuf = inbuf_arg;
- SHA512_CONTEXT *hd = context;
+ SHA512_CONTEXT *ctx = 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;
- }
+#ifdef USE_AVX2
+ if (ctx->use_avx2)
+ return _gcry_sha512_transform_amd64_avx2 (data, &ctx->state, 1)
+ + 4 * sizeof(void*);
+#endif
- while (inlen >= 128)
+#ifdef USE_AVX
+ if (ctx->use_avx)
+ return _gcry_sha512_transform_amd64_avx (data, &ctx->state, 1)
+ + 4 * sizeof(void*);
+#endif
+
+#ifdef USE_SSSE3
+ if (ctx->use_ssse3)
+ return _gcry_sha512_transform_amd64_ssse3 (data, &ctx->state, 1)
+ + 4 * sizeof(void*);
+#endif
+
+#ifdef USE_ARM_NEON_ASM
+ if (ctx->use_neon)
{
- transform (hd, inbuf);
- hd->count = 0;
- hd->nblocks++;
- inlen -= 128;
- inbuf += 128;
+ _gcry_sha512_transform_armv7_neon (&ctx->state, data, k);
+
+ /* _gcry_sha512_transform_armv7_neon does not store sensitive data
+ * to stack. */
+ return /* no burn_stack */ 0;
}
- _gcry_burn_stack (768);
- for (; inlen && hd->count < 128; inlen--)
- hd->buf[hd->count++] = *inbuf++;
+#endif
+
+ return __transform (&ctx->state, data) + 3 * sizeof(void*);
}
@@ -353,18 +615,24 @@ static void
sha512_final (void *context)
{
SHA512_CONTEXT *hd = context;
- u64 t, msb, lsb;
+ unsigned int stack_burn_depth;
+ u64 t, th, msb, lsb;
byte *p;
- sha512_write (context, NULL, 0); /* flush */ ;
+ _gcry_md_block_write (context, NULL, 0); /* flush */ ;
+
+ t = hd->bctx.nblocks;
+ /* if (sizeof t == sizeof hd->bctx.nblocks) */
+ th = hd->bctx.nblocks_high;
+ /* else */
+ /* th = hd->bctx.nblocks >> 64; In case we ever use u128 */
- t = hd->nblocks;
/* multiply by 128 to make a byte count */
lsb = t << 7;
- msb = t >> 57;
+ msb = (th << 7) | (t >> 57);
/* add the count */
t = lsb;
- if ((lsb += hd->count) < t)
+ if ((lsb += hd->bctx.count) < t)
msb++;
/* multiply by 8 to make a bit count */
t = lsb;
@@ -372,50 +640,28 @@ sha512_final (void *context)
msb <<= 3;
msb |= t >> 61;
- if (hd->count < 112)
+ if (hd->bctx.count < 112)
{ /* enough room */
- hd->buf[hd->count++] = 0x80; /* pad */
- while (hd->count < 112)
- hd->buf[hd->count++] = 0; /* pad */
+ hd->bctx.buf[hd->bctx.count++] = 0x80; /* pad */
+ while (hd->bctx.count < 112)
+ hd->bctx.buf[hd->bctx.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 */
+ hd->bctx.buf[hd->bctx.count++] = 0x80; /* pad character */
+ while (hd->bctx.count < 128)
+ hd->bctx.buf[hd->bctx.count++] = 0;
+ _gcry_md_block_write (context, NULL, 0); /* flush */ ;
+ memset (hd->bctx.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
+ buf_put_be64(hd->bctx.buf + 112, msb);
+ buf_put_be64(hd->bctx.buf + 120, lsb);
+ stack_burn_depth = transform (hd, hd->bctx.buf);
+ _gcry_burn_stack (stack_burn_depth);
+
+ p = hd->bctx.buf;
+#define X(a) do { *(u64*)p = be_bswap64(hd->state.h##a) ; p += 8; } while (0)
X (0);
X (1);
X (2);
@@ -433,12 +679,12 @@ static byte *
sha512_read (void *context)
{
SHA512_CONTEXT *hd = (SHA512_CONTEXT *) context;
- return hd->buf;
+ return hd->bctx.buf;
}
-/*
+/*
Self-test section.
*/
@@ -448,10 +694,10 @@ 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,
+ (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"
@@ -463,9 +709,9 @@ selftests_sha384 (int extended, selftest_report_func_t report)
{
what = "long string";
errtxt = _gcry_hash_selftest_check_one
- (GCRY_MD_SHA384, 0,
+ (GCRY_MD_SHA384, 0,
"abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn"
- "hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu", 112,
+ "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",
@@ -498,10 +744,10 @@ 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,
+ (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"
@@ -514,9 +760,9 @@ selftests_sha512 (int extended, selftest_report_func_t report)
{
what = "long string";
errtxt = _gcry_hash_selftest_check_one
- (GCRY_MD_SHA512, 0,
+ (GCRY_MD_SHA512, 0,
"abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn"
- "hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu", 112,
+ "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"
@@ -524,7 +770,7 @@ selftests_sha512 (int extended, selftest_report_func_t report)
64);
if (errtxt)
goto failed;
-
+
what = "one million \"a\"";
errtxt = _gcry_hash_selftest_check_one
(GCRY_MD_SHA512, 1,
@@ -564,7 +810,7 @@ run_selftests (int algo, int extended, selftest_report_func_t report)
default:
ec = GPG_ERR_DIGEST_ALGO;
break;
-
+
}
return ec;
}
@@ -589,14 +835,12 @@ static gcry_md_oid_spec_t oid_spec_sha512[] =
{ NULL }
};
-gcry_md_spec_t _gcry_digest_spec_sha512 =
+gcry_md_spec_t _gcry_digest_spec_sha512 =
{
+ GCRY_MD_SHA512, {0, 1},
"SHA512", sha512_asn, DIM (sha512_asn), oid_spec_sha512, 64,
- sha512_init, sha512_write, sha512_final, sha512_read,
+ sha512_init, _gcry_md_block_write, sha512_final, sha512_read,
sizeof (SHA512_CONTEXT),
- };
-md_extra_spec_t _gcry_digest_extraspec_sha512 =
- {
run_selftests
};
@@ -609,7 +853,7 @@ static byte sha384_asn[] = /* Object ID is 2.16.840.1.101.3.4.2.2 */
static gcry_md_oid_spec_t oid_spec_sha384[] =
{
- { "2.16.840.1.101.3.4.2.2" },
+ { "2.16.840.1.101.3.4.2.2" },
/* PKCS#1 sha384WithRSAEncryption */
{ "1.2.840.113549.1.1.12" },
@@ -617,13 +861,11 @@ static gcry_md_oid_spec_t oid_spec_sha384[] =
{ NULL },
};
-gcry_md_spec_t _gcry_digest_spec_sha384 =
+gcry_md_spec_t _gcry_digest_spec_sha384 =
{
+ GCRY_MD_SHA384, {0, 1},
"SHA384", sha384_asn, DIM (sha384_asn), oid_spec_sha384, 48,
- sha384_init, sha512_write, sha512_final, sha512_read,
+ sha384_init, _gcry_md_block_write, sha512_final, sha512_read,
sizeof (SHA512_CONTEXT),
- };
-md_extra_spec_t _gcry_digest_extraspec_sha384 =
- {
run_selftests
};
generated by cgit v1.2.3 (git 2.25.1) at 2025-01-08 05:15:34 +0000