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提交 ce1932f2 编写于 作者: A Andy Polyakov
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sha/sha512.c: fix formatting. 

Reviewed-by: NRichard Levitte <levitte@openssl.org>
上级 c47aea8a
隐藏空白更改
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Showing with 42 addition and 28 deletion
crypto/sha/sha512.c
浏览文件 @ ce1932f2
......@@ -143,7 +143,7 @@ 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 SHA384_DIGEST_LENGTH:
for (n = 0; n < SHA384_DIGEST_LENGTH / 8; n++) {
SHA_LONG64 t = c->h[n];
......@@ -172,7 +172,7 @@ 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;
}
......@@ -219,12 +219,12 @@ int SHA512_Update(SHA512_CTX *c, const void *_data, size_t len)
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
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)
......@@ -320,9 +320,10 @@ static const SHA_LONG64 K512[80] = {
};
# ifndef PEDANTIC
# if defined(__GNUC__) && __GNUC__>=2 && !defined(OPENSSL_NO_ASM) && !defined(OPENSSL_NO_INLINE_ASM)
# 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; \
# define ROTR(a,n) ({ SHA_LONG64 ret; \
asm ("rorq %1,%0" \
: "=r"(ret) \
: "J"(n),"0"(a) \
......@@ -336,37 +337,37 @@ static const SHA_LONG64 K512[80] = {
# 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]; \
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]; \
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; \
# 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; \
# 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__) && \
__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; })
: "r"(*((const SHA_LONG64 *)(&(x))))); ret; })
# endif
# endif
# elif defined(_MSC_VER)
......@@ -374,21 +375,28 @@ static const SHA_LONG64 K512[80] = {
# 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(_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}
_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}
_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
......@@ -410,12 +418,15 @@ _asm bswap edx _asm bswap eax}
# 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;
......@@ -475,6 +486,7 @@ _asm bswap edx _asm bswap eax}
}
# elif defined(OPENSSL_SMALL_FOOTPRINT)
static void sha512_block_data_order(SHA512_CTX *ctx, const void *in,
size_t num)
{
......@@ -545,15 +557,17 @@ 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 { \
# 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)
{
......
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