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-rw-r--r--crypto/sha/sha512.c331
1 files changed, 206 insertions, 125 deletions
diff --git a/crypto/sha/sha512.c b/crypto/sha/sha512.c
index 3bf66ae1987e..50b65ee811d6 100644
--- a/crypto/sha/sha512.c
+++ b/crypto/sha/sha512.c
@@ -1,17 +1,19 @@
-/* crypto/sha/sha512.c */
-/* ====================================================================
- * Copyright (c) 2004 The OpenSSL Project. All rights reserved
- * according to the OpenSSL license [found in ../../LICENSE].
- * ====================================================================
+/*
+ * Copyright 2004-2018 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
*/
+
#include <openssl/opensslconf.h>
-#if !defined(OPENSSL_NO_SHA) && !defined(OPENSSL_NO_SHA512)
/*-
* IMPLEMENTATION NOTES.
*
* As you might have noticed 32-bit hash algorithms:
*
- * - permit SHA_LONG to be wider than 32-bit (case on CRAY);
+ * - permit SHA_LONG to be wider than 32-bit
* - optimized versions implement two transform functions: one operating
* on [aligned] data in host byte order and one - on data in input
* stream byte order;
@@ -39,28 +41,62 @@
* As this implementation relies on 64-bit integer type, it's totally
* inappropriate for platforms which don't support it, most notably
* 16-bit platforms.
- * <appro@fy.chalmers.se>
*/
-# include <stdlib.h>
-# include <string.h>
+#include <stdlib.h>
+#include <string.h>
-# include <openssl/crypto.h>
-# include <openssl/sha.h>
-# include <openssl/opensslv.h>
+#include <openssl/crypto.h>
+#include <openssl/sha.h>
+#include <openssl/opensslv.h>
-# include "cryptlib.h"
+#include "internal/cryptlib.h"
+#include "internal/sha.h"
-const char SHA512_version[] = "SHA-512" OPENSSL_VERSION_PTEXT;
-
-# if defined(__i386) || defined(__i386__) || defined(_M_IX86) || \
+#if defined(__i386) || defined(__i386__) || defined(_M_IX86) || \
defined(__x86_64) || defined(_M_AMD64) || defined(_M_X64) || \
defined(__s390__) || defined(__s390x__) || \
defined(__aarch64__) || \
defined(SHA512_ASM)
-# define SHA512_BLOCK_CAN_MANAGE_UNALIGNED_DATA
-# endif
+# define SHA512_BLOCK_CAN_MANAGE_UNALIGNED_DATA
+#endif
-fips_md_init_ctx(SHA384, SHA512)
+int sha512_224_init(SHA512_CTX *c)
+{
+ c->h[0] = U64(0x8c3d37c819544da2);
+ c->h[1] = U64(0x73e1996689dcd4d6);
+ c->h[2] = U64(0x1dfab7ae32ff9c82);
+ c->h[3] = U64(0x679dd514582f9fcf);
+ c->h[4] = U64(0x0f6d2b697bd44da8);
+ c->h[5] = U64(0x77e36f7304c48942);
+ c->h[6] = U64(0x3f9d85a86a1d36c8);
+ c->h[7] = U64(0x1112e6ad91d692a1);
+
+ c->Nl = 0;
+ c->Nh = 0;
+ c->num = 0;
+ c->md_len = SHA224_DIGEST_LENGTH;
+ return 1;
+}
+
+int sha512_256_init(SHA512_CTX *c)
+{
+ c->h[0] = U64(0x22312194fc2bf72c);
+ c->h[1] = U64(0x9f555fa3c84c64c2);
+ c->h[2] = U64(0x2393b86b6f53b151);
+ c->h[3] = U64(0x963877195940eabd);
+ c->h[4] = U64(0x96283ee2a88effe3);
+ c->h[5] = U64(0xbe5e1e2553863992);
+ c->h[6] = U64(0x2b0199fc2c85b8aa);
+ c->h[7] = U64(0x0eb72ddc81c52ca2);
+
+ c->Nl = 0;
+ c->Nh = 0;
+ c->num = 0;
+ c->md_len = SHA256_DIGEST_LENGTH;
+ return 1;
+}
+
+int SHA384_Init(SHA512_CTX *c)
{
c->h[0] = U64(0xcbbb9d5dc1059ed8);
c->h[1] = U64(0x629a292a367cd507);
@@ -78,7 +114,7 @@ fips_md_init_ctx(SHA384, SHA512)
return 1;
}
-fips_md_init(SHA512)
+int SHA512_Init(SHA512_CTX *c)
{
c->h[0] = U64(0x6a09e667f3bcc908);
c->h[1] = U64(0xbb67ae8584caa73b);
@@ -96,9 +132,9 @@ fips_md_init(SHA512)
return 1;
}
-# ifndef SHA512_ASM
+#ifndef SHA512_ASM
static
-# endif
+#endif
void sha512_block_data_order(SHA512_CTX *ctx, const void *in, size_t num);
int SHA512_Final(unsigned char *md, SHA512_CTX *c)
@@ -108,15 +144,17 @@ int SHA512_Final(unsigned char *md, SHA512_CTX *c)
p[n] = 0x80; /* There always is a room for one */
n++;
- if (n > (sizeof(c->u) - 16))
- memset(p + n, 0, sizeof(c->u) - n), n = 0,
- sha512_block_data_order(c, p, 1);
+ if (n > (sizeof(c->u) - 16)) {
+ memset(p + n, 0, sizeof(c->u) - n);
+ n = 0;
+ sha512_block_data_order(c, p, 1);
+ }
memset(p + n, 0, sizeof(c->u) - 16 - n);
-# ifdef B_ENDIAN
+#ifdef B_ENDIAN
c->u.d[SHA_LBLOCK - 2] = c->Nh;
c->u.d[SHA_LBLOCK - 1] = c->Nl;
-# else
+#else
p[sizeof(c->u) - 1] = (unsigned char)(c->Nl);
p[sizeof(c->u) - 2] = (unsigned char)(c->Nl >> 8);
p[sizeof(c->u) - 3] = (unsigned char)(c->Nl >> 16);
@@ -133,7 +171,7 @@ int SHA512_Final(unsigned char *md, SHA512_CTX *c)
p[sizeof(c->u) - 14] = (unsigned char)(c->Nh >> 40);
p[sizeof(c->u) - 15] = (unsigned char)(c->Nh >> 48);
p[sizeof(c->u) - 16] = (unsigned char)(c->Nh >> 56);
-# endif
+#endif
sha512_block_data_order(c, p, 1);
@@ -141,7 +179,47 @@ int SHA512_Final(unsigned char *md, SHA512_CTX *c)
return 0;
switch (c->md_len) {
- /* Let compiler decide if it's appropriate to unroll... */
+ /* Let compiler decide if it's appropriate to unroll... */
+ case SHA224_DIGEST_LENGTH:
+ for (n = 0; n < SHA224_DIGEST_LENGTH / 8; n++) {
+ SHA_LONG64 t = c->h[n];
+
+ *(md++) = (unsigned char)(t >> 56);
+ *(md++) = (unsigned char)(t >> 48);
+ *(md++) = (unsigned char)(t >> 40);
+ *(md++) = (unsigned char)(t >> 32);
+ *(md++) = (unsigned char)(t >> 24);
+ *(md++) = (unsigned char)(t >> 16);
+ *(md++) = (unsigned char)(t >> 8);
+ *(md++) = (unsigned char)(t);
+ }
+ /*
+ * For 224 bits, there are four bytes left over that have to be
+ * processed separately.
+ */
+ {
+ SHA_LONG64 t = c->h[SHA224_DIGEST_LENGTH / 8];
+
+ *(md++) = (unsigned char)(t >> 56);
+ *(md++) = (unsigned char)(t >> 48);
+ *(md++) = (unsigned char)(t >> 40);
+ *(md++) = (unsigned char)(t >> 32);
+ }
+ break;
+ case SHA256_DIGEST_LENGTH:
+ for (n = 0; n < SHA256_DIGEST_LENGTH / 8; n++) {
+ SHA_LONG64 t = c->h[n];
+
+ *(md++) = (unsigned char)(t >> 56);
+ *(md++) = (unsigned char)(t >> 48);
+ *(md++) = (unsigned char)(t >> 40);
+ *(md++) = (unsigned char)(t >> 32);
+ *(md++) = (unsigned char)(t >> 24);
+ *(md++) = (unsigned char)(t >> 16);
+ *(md++) = (unsigned char)(t >> 8);
+ *(md++) = (unsigned char)(t);
+ }
+ break;
case SHA384_DIGEST_LENGTH:
for (n = 0; n < SHA384_DIGEST_LENGTH / 8; n++) {
SHA_LONG64 t = c->h[n];
@@ -170,7 +248,7 @@ int SHA512_Final(unsigned char *md, SHA512_CTX *c)
*(md++) = (unsigned char)(t);
}
break;
- /* ... as well as make sure md_len is not abused. */
+ /* ... as well as make sure md_len is not abused. */
default:
return 0;
}
@@ -213,16 +291,16 @@ int SHA512_Update(SHA512_CTX *c, const void *_data, size_t len)
}
if (len >= sizeof(c->u)) {
-# ifndef SHA512_BLOCK_CAN_MANAGE_UNALIGNED_DATA
+#ifndef SHA512_BLOCK_CAN_MANAGE_UNALIGNED_DATA
if ((size_t)data % sizeof(c->u.d[0]) != 0)
while (len >= sizeof(c->u))
memcpy(p, data, sizeof(c->u)),
- sha512_block_data_order(c, p, 1),
- len -= sizeof(c->u), data += sizeof(c->u);
+ sha512_block_data_order(c, p, 1),
+ len -= sizeof(c->u), data += sizeof(c->u);
else
-# endif
+#endif
sha512_block_data_order(c, data, len / sizeof(c->u)),
- data += len, len %= sizeof(c->u), data -= len;
+ data += len, len %= sizeof(c->u), data -= len;
}
if (len != 0)
@@ -238,10 +316,10 @@ int SHA384_Update(SHA512_CTX *c, const void *data, size_t len)
void SHA512_Transform(SHA512_CTX *c, const unsigned char *data)
{
-# ifndef SHA512_BLOCK_CAN_MANAGE_UNALIGNED_DATA
+#ifndef SHA512_BLOCK_CAN_MANAGE_UNALIGNED_DATA
if ((size_t)data % sizeof(c->u.d[0]) != 0)
memcpy(c->u.p, data, sizeof(c->u.p)), data = c->u.p;
-# endif
+#endif
sha512_block_data_order(c, data, 1);
}
@@ -256,7 +334,7 @@ unsigned char *SHA384(const unsigned char *d, size_t n, unsigned char *md)
SHA512_Update(&c, d, n);
SHA512_Final(md, &c);
OPENSSL_cleanse(&c, sizeof(c));
- return (md);
+ return md;
}
unsigned char *SHA512(const unsigned char *d, size_t n, unsigned char *md)
@@ -270,10 +348,10 @@ unsigned char *SHA512(const unsigned char *d, size_t n, unsigned char *md)
SHA512_Update(&c, d, n);
SHA512_Final(md, &c);
OPENSSL_cleanse(&c, sizeof(c));
- return (md);
+ return md;
}
-# ifndef SHA512_ASM
+#ifndef SHA512_ASM
static const SHA_LONG64 K512[80] = {
U64(0x428a2f98d728ae22), U64(0x7137449123ef65cd),
U64(0xb5c0fbcfec4d3b2f), U64(0xe9b5dba58189dbbc),
@@ -317,103 +395,111 @@ static const SHA_LONG64 K512[80] = {
U64(0x5fcb6fab3ad6faec), U64(0x6c44198c4a475817)
};
-# ifndef PEDANTIC
-# if defined(__GNUC__) && __GNUC__>=2 && !defined(OPENSSL_NO_ASM) && !defined(OPENSSL_NO_INLINE_ASM)
-# if defined(__x86_64) || defined(__x86_64__)
-# define ROTR(a,n) ({ SHA_LONG64 ret; \
+# ifndef PEDANTIC
+# if defined(__GNUC__) && __GNUC__>=2 && \
+ !defined(OPENSSL_NO_ASM) && !defined(OPENSSL_NO_INLINE_ASM)
+# if defined(__x86_64) || defined(__x86_64__)
+# define ROTR(a,n) ({ SHA_LONG64 ret; \
asm ("rorq %1,%0" \
: "=r"(ret) \
: "J"(n),"0"(a) \
: "cc"); ret; })
-# if !defined(B_ENDIAN)
-# define PULL64(x) ({ SHA_LONG64 ret=*((const SHA_LONG64 *)(&(x))); \
+# if !defined(B_ENDIAN)
+# define PULL64(x) ({ SHA_LONG64 ret=*((const SHA_LONG64 *)(&(x))); \
asm ("bswapq %0" \
: "=r"(ret) \
: "0"(ret)); ret; })
-# endif
-# elif (defined(__i386) || defined(__i386__)) && !defined(B_ENDIAN)
-# if defined(I386_ONLY)
-# define PULL64(x) ({ const unsigned int *p=(const unsigned int *)(&(x));\
- unsigned int hi=p[0],lo=p[1]; \
+# endif
+# elif (defined(__i386) || defined(__i386__)) && !defined(B_ENDIAN)
+# if defined(I386_ONLY)
+# define PULL64(x) ({ const unsigned int *p=(const unsigned int *)(&(x));\
+ unsigned int hi=p[0],lo=p[1]; \
asm("xchgb %%ah,%%al;xchgb %%dh,%%dl;"\
"roll $16,%%eax; roll $16,%%edx; "\
- "xchgb %%ah,%%al;xchgb %%dh,%%dl;" \
+ "xchgb %%ah,%%al;xchgb %%dh,%%dl;"\
: "=a"(lo),"=d"(hi) \
: "0"(lo),"1"(hi) : "cc"); \
((SHA_LONG64)hi)<<32|lo; })
-# else
-# define PULL64(x) ({ const unsigned int *p=(const unsigned int *)(&(x));\
- unsigned int hi=p[0],lo=p[1]; \
+# else
+# define PULL64(x) ({ const unsigned int *p=(const unsigned int *)(&(x));\
+ unsigned int hi=p[0],lo=p[1]; \
asm ("bswapl %0; bswapl %1;" \
: "=r"(lo),"=r"(hi) \
: "0"(lo),"1"(hi)); \
((SHA_LONG64)hi)<<32|lo; })
-# endif
-# elif (defined(_ARCH_PPC) && defined(__64BIT__)) || defined(_ARCH_PPC64)
-# define ROTR(a,n) ({ SHA_LONG64 ret; \
+# endif
+# elif (defined(_ARCH_PPC) && defined(__64BIT__)) || defined(_ARCH_PPC64)
+# define ROTR(a,n) ({ SHA_LONG64 ret; \
asm ("rotrdi %0,%1,%2" \
: "=r"(ret) \
: "r"(a),"K"(n)); ret; })
-# elif defined(__aarch64__)
-# define ROTR(a,n) ({ SHA_LONG64 ret; \
+# elif defined(__aarch64__)
+# define ROTR(a,n) ({ SHA_LONG64 ret; \
asm ("ror %0,%1,%2" \
: "=r"(ret) \
: "r"(a),"I"(n)); ret; })
-# if defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && \
+# if defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__) && \
__BYTE_ORDER__==__ORDER_LITTLE_ENDIAN__
-# define PULL64(x) ({ SHA_LONG64 ret; \
+# define PULL64(x) ({ SHA_LONG64 ret; \
asm ("rev %0,%1" \
: "=r"(ret) \
- : "r"(*((const SHA_LONG64 *)(&(x))))); ret; })
-# endif
-# endif
-# elif defined(_MSC_VER)
-# if defined(_WIN64) /* applies to both IA-64 and AMD64 */
-# pragma intrinsic(_rotr64)
-# define ROTR(a,n) _rotr64((a),n)
+ : "r"(*((const SHA_LONG64 *)(&(x))))); ret; })
# endif
-# if defined(_M_IX86) && !defined(OPENSSL_NO_ASM) && !defined(OPENSSL_NO_INLINE_ASM)
-# if defined(I386_ONLY)
+# endif
+# elif defined(_MSC_VER)
+# if defined(_WIN64) /* applies to both IA-64 and AMD64 */
+# pragma intrinsic(_rotr64)
+# define ROTR(a,n) _rotr64((a),n)
+# endif
+# if defined(_M_IX86) && !defined(OPENSSL_NO_ASM) && \
+ !defined(OPENSSL_NO_INLINE_ASM)
+# if defined(I386_ONLY)
static SHA_LONG64 __fastcall __pull64be(const void *x)
{
- _asm mov edx,[ecx + 0]
- _asm mov eax,[ecx + 4]
-_asm xchg dh, dl
- _asm xchg ah, al
- _asm rol edx, 16 _asm rol eax, 16 _asm xchg dh, dl _asm xchg ah, al}
-# else
+ _asm mov edx,[ecx + 0]
+ _asm mov eax,[ecx + 4]
+ _asm xchg dh, dl
+ _asm xchg ah, al
+ _asm rol edx, 16
+ _asm rol eax, 16
+ _asm xchg dh, dl
+ _asm xchg ah, al
+}
+# else
static SHA_LONG64 __fastcall __pull64be(const void *x)
{
- _asm mov edx,[ecx + 0]
- _asm mov eax,[ecx + 4]
-_asm bswap edx _asm bswap eax}
-# endif
-# define PULL64(x) __pull64be(&(x))
-# if _MSC_VER<=1200
-# pragma inline_depth(0)
-# endif
+ _asm mov edx,[ecx + 0]
+ _asm mov eax,[ecx + 4]
+ _asm bswap edx
+ _asm bswap eax
+}
# endif
+# define PULL64(x) __pull64be(&(x))
# endif
# endif
-# ifndef PULL64
-# define B(x,j) (((SHA_LONG64)(*(((const unsigned char *)(&x))+j)))<<((7-j)*8))
-# define PULL64(x) (B(x,0)|B(x,1)|B(x,2)|B(x,3)|B(x,4)|B(x,5)|B(x,6)|B(x,7))
-# endif
-# ifndef ROTR
-# define ROTR(x,s) (((x)>>s) | (x)<<(64-s))
-# endif
-# define Sigma0(x) (ROTR((x),28) ^ ROTR((x),34) ^ ROTR((x),39))
-# define Sigma1(x) (ROTR((x),14) ^ ROTR((x),18) ^ ROTR((x),41))
-# define sigma0(x) (ROTR((x),1) ^ ROTR((x),8) ^ ((x)>>7))
-# define sigma1(x) (ROTR((x),19) ^ ROTR((x),61) ^ ((x)>>6))
-# define Ch(x,y,z) (((x) & (y)) ^ ((~(x)) & (z)))
-# define Maj(x,y,z) (((x) & (y)) ^ ((x) & (z)) ^ ((y) & (z)))
-# if defined(__i386) || defined(__i386__) || defined(_M_IX86)
+# endif
+# ifndef PULL64
+# define B(x,j) (((SHA_LONG64)(*(((const unsigned char *)(&x))+j)))<<((7-j)*8))
+# define PULL64(x) (B(x,0)|B(x,1)|B(x,2)|B(x,3)|B(x,4)|B(x,5)|B(x,6)|B(x,7))
+# endif
+# ifndef ROTR
+# define ROTR(x,s) (((x)>>s) | (x)<<(64-s))
+# endif
+# define Sigma0(x) (ROTR((x),28) ^ ROTR((x),34) ^ ROTR((x),39))
+# define Sigma1(x) (ROTR((x),14) ^ ROTR((x),18) ^ ROTR((x),41))
+# define sigma0(x) (ROTR((x),1) ^ ROTR((x),8) ^ ((x)>>7))
+# define sigma1(x) (ROTR((x),19) ^ ROTR((x),61) ^ ((x)>>6))
+# define Ch(x,y,z) (((x) & (y)) ^ ((~(x)) & (z)))
+# define Maj(x,y,z) (((x) & (y)) ^ ((x) & (z)) ^ ((y) & (z)))
+
+# if defined(__i386) || defined(__i386__) || defined(_M_IX86)
/*
* This code should give better results on 32-bit CPU with less than
* ~24 registers, both size and performance wise...
- */ static void sha512_block_data_order(SHA512_CTX *ctx, const void *in,
- size_t num)
+ */
+
+static void sha512_block_data_order(SHA512_CTX *ctx, const void *in,
+ size_t num)
{
const SHA_LONG64 *W = in;
SHA_LONG64 A, E, T;
@@ -433,11 +519,11 @@ _asm bswap edx _asm bswap eax}
F[7] = ctx->h[7];
for (i = 0; i < 16; i++, F--) {
-# ifdef B_ENDIAN
+# ifdef B_ENDIAN
T = W[i];
-# else
+# else
T = PULL64(W[i]);
-# endif
+# endif
F[0] = A;
F[4] = E;
F[8] = T;
@@ -472,7 +558,8 @@ _asm bswap edx _asm bswap eax}
}
}
-# elif defined(OPENSSL_SMALL_FOOTPRINT)
+# elif defined(OPENSSL_SMALL_FOOTPRINT)
+
static void sha512_block_data_order(SHA512_CTX *ctx, const void *in,
size_t num)
{
@@ -493,11 +580,11 @@ static void sha512_block_data_order(SHA512_CTX *ctx, const void *in,
h = ctx->h[7];
for (i = 0; i < 16; i++) {
-# ifdef B_ENDIAN
+# ifdef B_ENDIAN
T1 = X[i] = W[i];
-# else
+# else
T1 = X[i] = PULL64(W[i]);
-# endif
+# endif
T1 += h + Sigma1(e) + Ch(e, f, g) + K512[i];
T2 = Sigma0(a) + Maj(a, b, c);
h = g;
@@ -542,16 +629,18 @@ static void sha512_block_data_order(SHA512_CTX *ctx, const void *in,
}
}
-# else
-# define ROUND_00_15(i,a,b,c,d,e,f,g,h) do { \
+# else
+# define ROUND_00_15(i,a,b,c,d,e,f,g,h) do { \
T1 += h + Sigma1(e) + Ch(e,f,g) + K512[i]; \
h = Sigma0(a) + Maj(a,b,c); \
- d += T1; h += T1; } while (0)
-# define ROUND_16_80(i,j,a,b,c,d,e,f,g,h,X) do { \
+ d += T1; h += T1; } while (0)
+
+# define ROUND_16_80(i,j,a,b,c,d,e,f,g,h,X) do { \
s0 = X[(j+1)&0x0f]; s0 = sigma0(s0); \
s1 = X[(j+14)&0x0f]; s1 = sigma1(s1); \
T1 = X[(j)&0x0f] += s0 + s1 + X[(j+9)&0x0f]; \
ROUND_00_15(i+j,a,b,c,d,e,f,g,h); } while (0)
+
static void sha512_block_data_order(SHA512_CTX *ctx, const void *in,
size_t num)
{
@@ -571,7 +660,7 @@ static void sha512_block_data_order(SHA512_CTX *ctx, const void *in,
g = ctx->h[6];
h = ctx->h[7];
-# ifdef B_ENDIAN
+# ifdef B_ENDIAN
T1 = X[0] = W[0];
ROUND_00_15(0, a, b, c, d, e, f, g, h);
T1 = X[1] = W[1];
@@ -604,7 +693,7 @@ static void sha512_block_data_order(SHA512_CTX *ctx, const void *in,
ROUND_00_15(14, c, d, e, f, g, h, a, b);
T1 = X[15] = W[15];
ROUND_00_15(15, b, c, d, e, f, g, h, a);
-# else
+# else
T1 = X[0] = PULL64(W[0]);
ROUND_00_15(0, a, b, c, d, e, f, g, h);
T1 = X[1] = PULL64(W[1]);
@@ -637,7 +726,7 @@ static void sha512_block_data_order(SHA512_CTX *ctx, const void *in,
ROUND_00_15(14, c, d, e, f, g, h, a, b);
T1 = X[15] = PULL64(W[15]);
ROUND_00_15(15, b, c, d, e, f, g, h, a);
-# endif
+# endif
for (i = 16; i < 80; i += 16) {
ROUND_16_80(i, 0, a, b, c, d, e, f, g, h, X);
@@ -671,14 +760,6 @@ static void sha512_block_data_order(SHA512_CTX *ctx, const void *in,
}
}
-# endif
-
-# endif /* SHA512_ASM */
-
-#else /* !OPENSSL_NO_SHA512 */
-
-# if defined(PEDANTIC) || defined(__DECC) || defined(OPENSSL_SYS_MACOSX)
-static void *dummy = &dummy;
# endif
-#endif /* !OPENSSL_NO_SHA512 */
+#endif /* SHA512_ASM */