-/* @(#) $Id: ./src/os_crypto/sha1/md32_common.h, 2011/09/08 dcid Exp $
- */
-/* Included on ossec */
-
-/* crypto/md32_common.h */
/* ====================================================================
* Copyright (c) 1999-2002 The OpenSSL Project. All rights reserved.
*
* Obligatory macros:
*
* DATA_ORDER_IS_BIG_ENDIAN or DATA_ORDER_IS_LITTLE_ENDIAN
- * this macro defines byte order of input stream.
+ * this macro defines byte order of input stream.
* HASH_CBLOCK
- * size of a unit chunk HASH_BLOCK operates on.
+ * size of a unit chunk HASH_BLOCK operates on.
* HASH_LONG
- * has to be at lest 32 bit wide, if it's wider, then
- * HASH_LONG_LOG2 *has to* be defined along
+ * has to be at lest 32 bit wide, if it's wider, then
+ * HASH_LONG_LOG2 *has to* be defined along
* HASH_CTX
- * context structure that at least contains following
- * members:
- * typedef struct {
- * ...
- * HASH_LONG Nl,Nh;
- * HASH_LONG data[HASH_LBLOCK];
- * unsigned int num;
- * ...
- * } HASH_CTX;
+ * context structure that at least contains following
+ * members:
+ * typedef struct {
+ * ...
+ * HASH_LONG Nl,Nh;
+ * HASH_LONG data[HASH_LBLOCK];
+ * unsigned int num;
+ * ...
+ * } HASH_CTX;
* HASH_UPDATE
- * name of "Update" function, implemented here.
+ * name of "Update" function, implemented here.
* HASH_TRANSFORM
- * name of "Transform" function, implemented here.
+ * name of "Transform" function, implemented here.
* HASH_FINAL
- * name of "Final" function, implemented here.
+ * name of "Final" function, implemented here.
* HASH_BLOCK_HOST_ORDER
- * name of "block" function treating *aligned* input message
- * in host byte order, implemented externally.
+ * name of "block" function treating *aligned* input message
+ * in host byte order, implemented externally.
* HASH_BLOCK_DATA_ORDER
- * name of "block" function treating *unaligned* input message
- * in original (data) byte order, implemented externally (it
- * actually is optional if data and host are of the same
- * "endianess").
+ * name of "block" function treating *unaligned* input message
+ * in original (data) byte order, implemented externally (it
+ * actually is optional if data and host are of the same
+ * "endianess").
* HASH_MAKE_STRING
- * macro convering context variables to an ASCII hash string.
+ * macro convering context variables to an ASCII hash string.
*
* Optional macros:
*
* B_ENDIAN or L_ENDIAN
- * defines host byte-order.
+ * defines host byte-order.
* HASH_LONG_LOG2
- * defaults to 2 if not states otherwise.
+ * defaults to 2 if not states otherwise.
* HASH_LBLOCK
- * assumed to be HASH_CBLOCK/4 if not stated otherwise.
+ * assumed to be HASH_CBLOCK/4 if not stated otherwise.
* HASH_BLOCK_DATA_ORDER_ALIGNED
- * alternative "block" function capable of treating
- * aligned input message in original (data) order,
- * implemented externally.
+ * alternative "block" function capable of treating
+ * aligned input message in original (data) order,
+ * implemented externally.
*
* MD5 example:
*
- * #define DATA_ORDER_IS_LITTLE_ENDIAN
+ * #define DATA_ORDER_IS_LITTLE_ENDIAN
*
- * #define HASH_LONG MD5_LONG
- * #define HASH_LONG_LOG2 MD5_LONG_LOG2
- * #define HASH_CTX MD5_CTX
- * #define HASH_CBLOCK MD5_CBLOCK
- * #define HASH_LBLOCK MD5_LBLOCK
- * #define HASH_UPDATE MD5_Update
- * #define HASH_TRANSFORM MD5_Transform
- * #define HASH_FINAL MD5_Final
- * #define HASH_BLOCK_HOST_ORDER md5_block_host_order
- * #define HASH_BLOCK_DATA_ORDER md5_block_data_order
+ * #define HASH_LONG MD5_LONG
+ * #define HASH_LONG_LOG2 MD5_LONG_LOG2
+ * #define HASH_CTX MD5_CTX
+ * #define HASH_CBLOCK MD5_CBLOCK
+ * #define HASH_LBLOCK MD5_LBLOCK
+ * #define HASH_UPDATE MD5_Update
+ * #define HASH_TRANSFORM MD5_Transform
+ * #define HASH_FINAL MD5_Final
+ * #define HASH_BLOCK_HOST_ORDER md5_block_host_order
+ * #define HASH_BLOCK_DATA_ORDER md5_block_data_order
*
- * <appro@fy.chalmers.se>
+ * <appro@fy.chalmers.se>
*/
#endif
#ifndef HASH_LBLOCK
-#define HASH_LBLOCK (HASH_CBLOCK/4)
+#define HASH_LBLOCK (HASH_CBLOCK/4)
#endif
#ifndef HASH_LONG_LOG2
-#define HASH_LONG_LOG2 2
+#define HASH_LONG_LOG2 2
#endif
/*
#undef ROTATE
#ifndef PEDANTIC
# if defined(_MSC_VER) || defined(__ICC)
-# define ROTATE(a,n) _lrotl(a,n)
+# define ROTATE(a,n) _lrotl(a,n)
# elif defined(__MWERKS__)
# if defined(__POWERPC__)
-# define ROTATE(a,n) __rlwinm(a,n,0,31)
+# define ROTATE(a,n) __rlwinm(a,n,0,31)
# elif defined(__MC68K__)
- /* Motorola specific tweak. <appro@fy.chalmers.se> */
-# define ROTATE(a,n) ( n<24 ? __rol(a,n) : __ror(a,32-n) )
+/* Motorola specific tweak. <appro@fy.chalmers.se> */
+# define ROTATE(a,n) ( n<24 ? __rol(a,n) : __ror(a,32-n) )
# else
-# define ROTATE(a,n) __rol(a,n)
+# define ROTATE(a,n) __rol(a,n)
# endif
# elif defined(__GNUC__) && __GNUC__>=2 && !defined(OPENSSL_NO_ASM) && !defined(OPENSSL_NO_INLINE_ASM)
- /*
- * Some GNU C inline assembler templates. Note that these are
- * rotates by *constant* number of bits! But that's exactly
- * what we need here...
- * <appro@fy.chalmers.se>
- */
+/*
+ * Some GNU C inline assembler templates. Note that these are
+ * rotates by *constant* number of bits! But that's exactly
+ * what we need here...
+ * <appro@fy.chalmers.se>
+ */
# if defined(__i386) || defined(__i386__) || defined(__x86_64) || defined(__x86_64__)
-# define ROTATE(a,n) ({ register unsigned int ret; \
- asm ( \
- "roll %1,%0" \
- : "=r"(ret) \
- : "I"(n), "0"(a) \
- : "cc"); \
- ret; \
- })
+# define ROTATE(a,n) ({ register unsigned int ret; \
+ asm ( \
+ "roll %1,%0" \
+ : "=r"(ret) \
+ : "I"(n), "0"(a) \
+ : "cc"); \
+ ret; \
+ })
# elif defined(__powerpc) || defined(__ppc__) || defined(__powerpc64__)
-# define ROTATE(a,n) ({ register unsigned int ret; \
- asm ( \
- "rlwinm %0,%1,%2,0,31" \
- : "=r"(ret) \
- : "r"(a), "I"(n)); \
- ret; \
- })
+# define ROTATE(a,n) ({ register unsigned int ret; \
+ asm ( \
+ "rlwinm %0,%1,%2,0,31" \
+ : "=r"(ret) \
+ : "r"(a), "I"(n)); \
+ ret; \
+ })
# endif
# endif
#endif /* PEDANTIC */
-#if HASH_LONG_LOG2==2 /* Engage only if sizeof(HASH_LONG)== 4 */
+#if HASH_LONG_LOG2==2 /* Engage only if sizeof(HASH_LONG)== 4 */
/* A nice byte order reversal from Wei Dai <weidai@eskimo.com> */
#ifdef ROTATE
/* 5 instructions with rotate instruction, else 9 */
-#define REVERSE_FETCH32(a,l) ( \
- l=*(const HASH_LONG *)(a), \
- ((ROTATE(l,8)&0x00FF00FF)|(ROTATE((l&0x00FF00FF),24))) \
- )
+#define REVERSE_FETCH32(a,l) ( \
+ l=*(const HASH_LONG *)(a), \
+ ((ROTATE(l,8)&0x00FF00FF)|(ROTATE((l&0x00FF00FF),24))) \
+ )
#else
/* 6 instructions with rotate instruction, else 8 */
-#define REVERSE_FETCH32(a,l) ( \
- l=*(const HASH_LONG *)(a), \
- l=(((l>>8)&0x00FF00FF)|((l&0x00FF00FF)<<8)), \
- ROTATE(l,16) \
- )
+#define REVERSE_FETCH32(a,l) ( \
+ l=*(const HASH_LONG *)(a), \
+ l=(((l>>8)&0x00FF00FF)|((l&0x00FF00FF)<<8)), \
+ ROTATE(l,16) \
+ )
/*
* Originally the middle line started with l=(((l&0xFF00FF00)>>8)|...
* It's rewritten as above for two reasons:
- * - RISCs aren't good at long constants and have to explicitely
- * compose 'em with several (well, usually 2) instructions in a
- * register before performing the actual operation and (as you
- * already realized:-) having same constant should inspire the
- * compiler to permanently allocate the only register for it;
- * - most modern CPUs have two ALUs, but usually only one has
- * circuitry for shifts:-( this minor tweak inspires compiler
- * to schedule shift instructions in a better way...
+ * - RISCs aren't good at long constants and have to explicitely
+ * compose 'em with several (well, usually 2) instructions in a
+ * register before performing the actual operation and (as you
+ * already realized:-) having same constant should inspire the
+ * compiler to permanently allocate the only register for it;
+ * - most modern CPUs have two ALUs, but usually only one has
+ * circuitry for shifts:-( this minor tweak inspires compiler
+ * to schedule shift instructions in a better way...
*
- * <appro@fy.chalmers.se>
+ * <appro@fy.chalmers.se>
*/
#endif
#endif
* and host are of the same "endianess". It's possible to mask
* this with blank #define HASH_BLOCK_DATA_ORDER though...
*
- * <appro@fy.chalmers.se>
+ * <appro@fy.chalmers.se>
*/
#if defined(B_ENDIAN)
# if defined(DATA_ORDER_IS_BIG_ENDIAN)
# if !defined(HASH_BLOCK_DATA_ORDER_ALIGNED) && HASH_LONG_LOG2==2
-# define HASH_BLOCK_DATA_ORDER_ALIGNED HASH_BLOCK_HOST_ORDER
+# define HASH_BLOCK_DATA_ORDER_ALIGNED HASH_BLOCK_HOST_ORDER
# endif
# endif
#elif defined(L_ENDIAN)
# if defined(DATA_ORDER_IS_LITTLE_ENDIAN)
# if !defined(HASH_BLOCK_DATA_ORDER_ALIGNED) && HASH_LONG_LOG2==2
-# define HASH_BLOCK_DATA_ORDER_ALIGNED HASH_BLOCK_HOST_ORDER
+# define HASH_BLOCK_DATA_ORDER_ALIGNED HASH_BLOCK_HOST_ORDER
# endif
# endif
#endif
# if defined(__GNUC__) && __GNUC__>=2 && !defined(OPENSSL_NO_ASM) && !defined(OPENSSL_NO_INLINE_ASM)
# if ((defined(__i386) || defined(__i386__)) && !defined(I386_ONLY)) || \
(defined(__x86_64) || defined(__x86_64__))
- /*
- * This gives ~30-40% performance improvement in SHA-256 compiled
- * with gcc [on P4]. Well, first macro to be frank. We can pull
- * this trick on x86* platforms only, because these CPUs can fetch
- * unaligned data without raising an exception.
- */
-# define HOST_c2l(c,l) ({ unsigned int r=*((const unsigned int *)(c)); \
- asm ("bswapl %0":"=r"(r):"0"(r)); \
- (c)+=4; (l)=r; })
-# define HOST_l2c(l,c) ({ unsigned int r=(l); \
- asm ("bswapl %0":"=r"(r):"0"(r)); \
- *((unsigned int *)(c))=r; (c)+=4; r; })
+/*
+ * This gives ~30-40% performance improvement in SHA-256 compiled
+ * with gcc [on P4]. Well, first macro to be frank. We can pull
+ * this trick on x86* platforms only, because these CPUs can fetch
+ * unaligned data without raising an exception.
+ */
+# define HOST_c2l(c,l) ({ unsigned int r=*((const unsigned int *)(c)); \
+ asm ("bswapl %0":"=r"(r):"0"(r)); \
+ (c)+=4; (l)=r; })
+# define HOST_l2c(l,c) ({ unsigned int r=(l); \
+ asm ("bswapl %0":"=r"(r):"0"(r)); \
+ *((unsigned int *)(c))=r; (c)+=4; r; })
# endif
# endif
#endif
#ifndef HOST_c2l
-#define HOST_c2l(c,l) (l =(((unsigned long)(*((c)++)))<<24), \
- l|=(((unsigned long)(*((c)++)))<<16), \
- l|=(((unsigned long)(*((c)++)))<< 8), \
- l|=(((unsigned long)(*((c)++))) ), \
- l)
-#endif
-#define HOST_p_c2l(c,l,n) { \
- switch (n) { \
- case 0: l =((unsigned long)(*((c)++)))<<24; \
- case 1: l|=((unsigned long)(*((c)++)))<<16; \
- case 2: l|=((unsigned long)(*((c)++)))<< 8; \
- case 3: l|=((unsigned long)(*((c)++))); \
- } }
-#define HOST_p_c2l_p(c,l,sc,len) { \
- switch (sc) { \
- case 0: l =((unsigned long)(*((c)++)))<<24; \
- if (--len == 0) break; \
- case 1: l|=((unsigned long)(*((c)++)))<<16; \
- if (--len == 0) break; \
- case 2: l|=((unsigned long)(*((c)++)))<< 8; \
- } }
+#define HOST_c2l(c,l) (l =(((unsigned long)(*((c)++)))<<24), \
+ l|=(((unsigned long)(*((c)++)))<<16), \
+ l|=(((unsigned long)(*((c)++)))<< 8), \
+ l|=(((unsigned long)(*((c)++))) ), \
+ l)
+#endif
+#define HOST_p_c2l(c,l,n) { \
+ switch (n) { \
+ case 0: l =((unsigned long)(*((c)++)))<<24; \
+ case 1: l|=((unsigned long)(*((c)++)))<<16; \
+ case 2: l|=((unsigned long)(*((c)++)))<< 8; \
+ case 3: l|=((unsigned long)(*((c)++))); \
+ } }
+#define HOST_p_c2l_p(c,l,sc,len) { \
+ switch (sc) { \
+ case 0: l =((unsigned long)(*((c)++)))<<24; \
+ if (--len == 0) break; \
+ case 1: l|=((unsigned long)(*((c)++)))<<16; \
+ if (--len == 0) break; \
+ case 2: l|=((unsigned long)(*((c)++)))<< 8; \
+ } }
/* NOTE the pointer is not incremented at the end of this */
-#define HOST_c2l_p(c,l,n) { \
- l=0; (c)+=n; \
- switch (n) { \
- case 3: l =((unsigned long)(*(--(c))))<< 8; \
- case 2: l|=((unsigned long)(*(--(c))))<<16; \
- case 1: l|=((unsigned long)(*(--(c))))<<24; \
- } }
+#define HOST_c2l_p(c,l,n) { \
+ l=0; (c)+=n; \
+ switch (n) { \
+ case 3: l =((unsigned long)(*(--(c))))<< 8; \
+ case 2: l|=((unsigned long)(*(--(c))))<<16; \
+ case 1: l|=((unsigned long)(*(--(c))))<<24; \
+ } }
#ifndef HOST_l2c
-#define HOST_l2c(l,c) (*((c)++)=(unsigned char)(((l)>>24)&0xff), \
- *((c)++)=(unsigned char)(((l)>>16)&0xff), \
- *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
- *((c)++)=(unsigned char)(((l) )&0xff), \
- l)
+#define HOST_l2c(l,c) (*((c)++)=(unsigned char)(((l)>>24)&0xff), \
+ *((c)++)=(unsigned char)(((l)>>16)&0xff), \
+ *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
+ *((c)++)=(unsigned char)(((l) )&0xff), \
+ l)
#endif
#elif defined(DATA_ORDER_IS_LITTLE_ENDIAN)
#if defined(__i386) || defined(__i386__) || defined(__x86_64) || defined(__x86_64__)
# ifndef B_ENDIAN
- /* See comment in DATA_ORDER_IS_BIG_ENDIAN section. */
-# define HOST_c2l(c,l) ((l)=*((const unsigned int *)(c)), (c)+=4, l)
-# define HOST_l2c(l,c) (*((unsigned int *)(c))=(l), (c)+=4, l)
+/* See comment in DATA_ORDER_IS_BIG_ENDIAN section. */
+# define HOST_c2l(c,l) ((l)=*((const unsigned int *)(c)), (c)+=4, l)
+# define HOST_l2c(l,c) (*((unsigned int *)(c))=(l), (c)+=4, l)
# endif
#endif
#ifndef HOST_c2l
-#define HOST_c2l(c,l) (l =(((unsigned long)(*((c)++))) ), \
- l|=(((unsigned long)(*((c)++)))<< 8), \
- l|=(((unsigned long)(*((c)++)))<<16), \
- l|=(((unsigned long)(*((c)++)))<<24), \
- l)
-#endif
-#define HOST_p_c2l(c,l,n) { \
- switch (n) { \
- case 0: l =((unsigned long)(*((c)++))); \
- case 1: l|=((unsigned long)(*((c)++)))<< 8; \
- case 2: l|=((unsigned long)(*((c)++)))<<16; \
- case 3: l|=((unsigned long)(*((c)++)))<<24; \
- } }
-#define HOST_p_c2l_p(c,l,sc,len) { \
- switch (sc) { \
- case 0: l =((unsigned long)(*((c)++))); \
- if (--len == 0) break; \
- case 1: l|=((unsigned long)(*((c)++)))<< 8; \
- if (--len == 0) break; \
- case 2: l|=((unsigned long)(*((c)++)))<<16; \
- } }
+#define HOST_c2l(c,l) (l =(((unsigned long)(*((c)++))) ), \
+ l|=(((unsigned long)(*((c)++)))<< 8), \
+ l|=(((unsigned long)(*((c)++)))<<16), \
+ l|=(((unsigned long)(*((c)++)))<<24), \
+ l)
+#endif
+#define HOST_p_c2l(c,l,n) { \
+ switch (n) { \
+ case 0: l =((unsigned long)(*((c)++))); \
+ case 1: l|=((unsigned long)(*((c)++)))<< 8; \
+ case 2: l|=((unsigned long)(*((c)++)))<<16; \
+ case 3: l|=((unsigned long)(*((c)++)))<<24; \
+ } }
+#define HOST_p_c2l_p(c,l,sc,len) { \
+ switch (sc) { \
+ case 0: l =((unsigned long)(*((c)++))); \
+ if (--len == 0) break; \
+ case 1: l|=((unsigned long)(*((c)++)))<< 8; \
+ if (--len == 0) break; \
+ case 2: l|=((unsigned long)(*((c)++)))<<16; \
+ } }
/* NOTE the pointer is not incremented at the end of this */
-#define HOST_c2l_p(c,l,n) { \
- l=0; (c)+=n; \
- switch (n) { \
- case 3: l =((unsigned long)(*(--(c))))<<16; \
- case 2: l|=((unsigned long)(*(--(c))))<< 8; \
- case 1: l|=((unsigned long)(*(--(c)))); \
- } }
+#define HOST_c2l_p(c,l,n) { \
+ l=0; (c)+=n; \
+ switch (n) { \
+ case 3: l =((unsigned long)(*(--(c))))<<16; \
+ case 2: l|=((unsigned long)(*(--(c))))<< 8; \
+ case 1: l|=((unsigned long)(*(--(c)))); \
+ } }
#ifndef HOST_l2c
-#define HOST_l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \
- *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
- *((c)++)=(unsigned char)(((l)>>16)&0xff), \
- *((c)++)=(unsigned char)(((l)>>24)&0xff), \
- l)
+#define HOST_l2c(l,c) (*((c)++)=(unsigned char)(((l) )&0xff), \
+ *((c)++)=(unsigned char)(((l)>> 8)&0xff), \
+ *((c)++)=(unsigned char)(((l)>>16)&0xff), \
+ *((c)++)=(unsigned char)(((l)>>24)&0xff), \
+ l)
#endif
#endif
*/
int HASH_UPDATE (HASH_CTX *c, const void *data_, size_t len)
- {
- const unsigned char *data=data_;
- register HASH_LONG * p;
- register HASH_LONG l;
- size_t sw,sc,ew,ec;
-
- if (len==0) return 1;
-
- l=(c->Nl+(((HASH_LONG)len)<<3))&0xffffffffUL;
- /* 95-05-24 eay Fixed a bug with the overflow handling, thanks to
- * Wei Dai <weidai@eskimo.com> for pointing it out. */
- if (l < c->Nl) /* overflow */
- c->Nh++;
- c->Nh+=(len>>29); /* might cause compiler warning on 16-bit */
- c->Nl=l;
-
- if (c->num != 0)
- {
- p=c->data;
- sw=c->num>>2;
- sc=c->num&0x03;
-
- if ((c->num+len) >= HASH_CBLOCK)
- {
- l=p[sw]; HOST_p_c2l(data,l,sc); p[sw++]=l;
- for (; sw<HASH_LBLOCK; sw++)
- {
- HOST_c2l(data,l); p[sw]=l;
- }
- HASH_BLOCK_HOST_ORDER (c,p,1);
- len-=(HASH_CBLOCK-c->num);
- c->num=0;
- /* drop through and do the rest */
- }
- else
- {
- c->num+=(unsigned int)len;
- if ((sc+len) < 4) /* ugly, add char's to a word */
- {
- l=p[sw]; HOST_p_c2l_p(data,l,sc,len); p[sw]=l;
- }
- else
- {
- ew=(c->num>>2);
- ec=(c->num&0x03);
- if (sc)
- l=p[sw];
- HOST_p_c2l(data,l,sc);
- p[sw++]=l;
- for (; sw < ew; sw++)
- {
- HOST_c2l(data,l); p[sw]=l;
- }
- if (ec)
- {
- HOST_c2l_p(data,l,ec); p[sw]=l;
- }
- }
- return 1;
- }
- }
-
- sw=len/HASH_CBLOCK;
- if (sw > 0)
- {
+{
+ const unsigned char *data = (const unsigned char *)data_;
+ register HASH_LONG *p;
+ register HASH_LONG l;
+ size_t sw, sc, ew, ec;
+
+ if (len == 0) {
+ return 1;
+ }
+
+ l = (c->Nl + (((HASH_LONG)len) << 3)) & 0xffffffffUL;
+ /* 95-05-24 eay Fixed a bug with the overflow handling, thanks to
+ * Wei Dai <weidai@eskimo.com> for pointing it out. */
+ if (l < c->Nl) { /* overflow */
+ c->Nh++;
+ }
+ c->Nh += (len >> 29); /* might cause compiler warning on 16-bit */
+ c->Nl = l;
+
+ if (c->num != 0) {
+ p = c->data;
+ sw = c->num >> 2;
+ sc = c->num & 0x03;
+
+ if ((c->num + len) >= HASH_CBLOCK) {
+ l = p[sw];
+ HOST_p_c2l(data, l, sc);
+ p[sw++] = l;
+ for (; sw < HASH_LBLOCK; sw++) {
+ HOST_c2l(data, l);
+ p[sw] = l;
+ }
+ HASH_BLOCK_HOST_ORDER (c, p, 1);
+ len -= (HASH_CBLOCK - c->num);
+ c->num = 0;
+ /* drop through and do the rest */
+ } else {
+ c->num += (unsigned int)len;
+ if ((sc + len) < 4) { /* ugly, add char's to a word */
+ l = p[sw];
+ HOST_p_c2l_p(data, l, sc, len);
+ p[sw] = l;
+ } else {
+ ew = (c->num >> 2);
+ ec = (c->num & 0x03);
+ if (sc) {
+ l = p[sw];
+ }
+ HOST_p_c2l(data, l, sc);
+ p[sw++] = l;
+ for (; sw < ew; sw++) {
+ HOST_c2l(data, l);
+ p[sw] = l;
+ }
+ if (ec) {
+ HOST_c2l_p(data, l, ec);
+ p[sw] = l;
+ }
+ }
+ return 1;
+ }
+ }
+
+ sw = len / HASH_CBLOCK;
+ if (sw > 0) {
#if defined(HASH_BLOCK_DATA_ORDER_ALIGNED)
- /*
- * Note that HASH_BLOCK_DATA_ORDER_ALIGNED gets defined
- * only if sizeof(HASH_LONG)==4.
- */
- if ((((size_t)data)%4) == 0)
- {
- /* data is properly aligned so that we can cast it: */
- HASH_BLOCK_DATA_ORDER_ALIGNED (c,(const HASH_LONG *)data,sw);
- sw*=HASH_CBLOCK;
- data+=sw;
- len-=sw;
- }
- else
+ /*
+ * Note that HASH_BLOCK_DATA_ORDER_ALIGNED gets defined
+ * only if sizeof(HASH_LONG)==4.
+ */
+ if ((((size_t)data) % 4) == 0) {
+ /* data is properly aligned so that we can cast it: */
+ HASH_BLOCK_DATA_ORDER_ALIGNED (c, (const HASH_LONG *)data, sw);
+ sw *= HASH_CBLOCK;
+ data += sw;
+ len -= sw;
+ } else
#if !defined(HASH_BLOCK_DATA_ORDER)
- while (sw--)
- {
- memcpy (p=c->data,data,HASH_CBLOCK);
- HASH_BLOCK_DATA_ORDER_ALIGNED(c,p,1);
- data+=HASH_CBLOCK;
- len-=HASH_CBLOCK;
- }
+ while (sw--) {
+ memcpy (p = c->data, data, HASH_CBLOCK);
+ HASH_BLOCK_DATA_ORDER_ALIGNED(c, p, 1);
+ data += HASH_CBLOCK;
+ len -= HASH_CBLOCK;
+ }
#endif
#endif
#if defined(HASH_BLOCK_DATA_ORDER)
- {
- HASH_BLOCK_DATA_ORDER(c,data,sw);
- sw*=HASH_CBLOCK;
- data+=sw;
- len-=sw;
- }
-#endif
- }
-
- if (len!=0)
- {
- p = c->data;
- c->num = len;
- ew=len>>2; /* words to copy */
- ec=len&0x03;
- for (; ew; ew--,p++)
- {
- HOST_c2l(data,l); *p=l;
- }
- HOST_c2l_p(data,l,ec);
- *p=l;
- }
- return 1;
- }
+ {
+ HASH_BLOCK_DATA_ORDER(c, data, sw);
+ sw *= HASH_CBLOCK;
+ data += sw;
+ len -= sw;
+ }
+#endif
+ }
+
+ if (len != 0) {
+ p = c->data;
+ c->num = len;
+ ew = len >> 2; /* words to copy */
+ ec = len & 0x03;
+ for (; ew; ew--, p++) {
+ HOST_c2l(data, l);
+ *p = l;
+ }
+ HOST_c2l_p(data, l, ec);
+ *p = l;
+ }
+ return 1;
+}
void HASH_TRANSFORM (HASH_CTX *c, const unsigned char *data)
- {
+{
#if defined(HASH_BLOCK_DATA_ORDER_ALIGNED)
- if ((((size_t)data)%4) == 0)
- /* data is properly aligned so that we can cast it: */
- HASH_BLOCK_DATA_ORDER_ALIGNED (c,(const HASH_LONG *)data,1);
- else
+ if ((((size_t)data) % 4) == 0)
+ /* data is properly aligned so that we can cast it: */
+ {
+ HASH_BLOCK_DATA_ORDER_ALIGNED (c, (const HASH_LONG *)data, 1);
+ } else
#if !defined(HASH_BLOCK_DATA_ORDER)
- {
- memcpy (c->data,data,HASH_CBLOCK);
- HASH_BLOCK_DATA_ORDER_ALIGNED (c,c->data,1);
- }
+ {
+ memcpy (c->data, data, HASH_CBLOCK);
+ HASH_BLOCK_DATA_ORDER_ALIGNED (c, c->data, 1);
+ }
#endif
#endif
#if defined(HASH_BLOCK_DATA_ORDER)
- HASH_BLOCK_DATA_ORDER (c,data,1);
+ HASH_BLOCK_DATA_ORDER (c, data, 1);
#endif
- }
+}
int HASH_FINAL (unsigned char *md, HASH_CTX *c)
- {
- register HASH_LONG *p;
- register unsigned long l;
- register int i,j;
- static const unsigned char end[4]={0x80,0x00,0x00,0x00};
- const unsigned char *cp=end;
-
- /* c->num should definitly have room for at least one more byte. */
- p=c->data;
- i=c->num>>2;
- j=c->num&0x03;
+{
+ register HASH_LONG *p;
+ register unsigned long l;
+ register int i, j;
+ static const unsigned char end[4] = {0x80, 0x00, 0x00, 0x00};
+ const unsigned char *cp = end;
+
+ /* c->num should definitly have room for at least one more byte. */
+ p = c->data;
+ i = c->num >> 2;
+ j = c->num & 0x03;
#if 0
- /* purify often complains about the following line as an
- * Uninitialized Memory Read. While this can be true, the
- * following p_c2l macro will reset l when that case is true.
- * This is because j&0x03 contains the number of 'valid' bytes
- * already in p[i]. If and only if j&0x03 == 0, the UMR will
- * occur but this is also the only time p_c2l will do
- * l= *(cp++) instead of l|= *(cp++)
- * Many thanks to Alex Tang <altitude@cic.net> for pickup this
- * 'potential bug' */
+ /* purify often complains about the following line as an
+ * Uninitialized Memory Read. While this can be true, the
+ * following p_c2l macro will reset l when that case is true.
+ * This is because j&0x03 contains the number of 'valid' bytes
+ * already in p[i]. If and only if j&0x03 == 0, the UMR will
+ * occur but this is also the only time p_c2l will do
+ * l= *(cp++) instead of l|= *(cp++)
+ * Many thanks to Alex Tang <altitude@cic.net> for pickup this
+ * 'potential bug' */
#ifdef PURIFY
- if (j==0) p[i]=0; /* Yeah, but that's not the way to fix it:-) */
+ if (j == 0) {
+ p[i] = 0; /* Yeah, but that's not the way to fix it:-) */
+ }
#endif
- l=p[i];
+ l = p[i];
#else
- l = (j==0) ? 0 : p[i];
-#endif
- HOST_p_c2l(cp,l,j); p[i++]=l; /* i is the next 'undefined word' */
-
- if (i>(HASH_LBLOCK-2)) /* save room for Nl and Nh */
- {
- if (i<HASH_LBLOCK) p[i]=0;
- HASH_BLOCK_HOST_ORDER (c,p,1);
- i=0;
- }
- for (; i<(HASH_LBLOCK-2); i++)
- p[i]=0;
+ l = (j == 0) ? 0 : p[i];
+#endif
+ HOST_p_c2l(cp, l, j);
+ p[i++] = l; /* i is the next 'undefined word' */
+
+ if (i > (HASH_LBLOCK - 2)) { /* save room for Nl and Nh */
+ if (i < HASH_LBLOCK) {
+ p[i] = 0;
+ }
+ HASH_BLOCK_HOST_ORDER (c, p, 1);
+ i = 0;
+ }
+ for (; i < (HASH_LBLOCK - 2); i++) {
+ p[i] = 0;
+ }
#if defined(DATA_ORDER_IS_BIG_ENDIAN)
- p[HASH_LBLOCK-2]=c->Nh;
- p[HASH_LBLOCK-1]=c->Nl;
+ p[HASH_LBLOCK - 2] = c->Nh;
+ p[HASH_LBLOCK - 1] = c->Nl;
#elif defined(DATA_ORDER_IS_LITTLE_ENDIAN)
- p[HASH_LBLOCK-2]=c->Nl;
- p[HASH_LBLOCK-1]=c->Nh;
+ p[HASH_LBLOCK - 2] = c->Nl;
+ p[HASH_LBLOCK - 1] = c->Nh;
#endif
- HASH_BLOCK_HOST_ORDER (c,p,1);
+ HASH_BLOCK_HOST_ORDER (c, p, 1);
#ifndef HASH_MAKE_STRING
#error "HASH_MAKE_STRING must be defined!"
#else
- HASH_MAKE_STRING(c,md);
+ HASH_MAKE_STRING(c, md);
#endif
- c->num=0;
- /* clear stuff, HASH_BLOCK may be leaving some stuff on the stack
- * but I'm not worried :-)
- OPENSSL_cleanse((void *)c,sizeof(HASH_CTX));
- */
- return 1;
- }
+ c->num = 0;
+ /* clear stuff, HASH_BLOCK may be leaving some stuff on the stack
+ * but I'm not worried :-)
+ OPENSSL_cleanse((void *)c,sizeof(HASH_CTX));
+ */
+ return 1;
+}
#ifndef MD32_REG_T
#define MD32_REG_T int
* improvement under SPARC Solaris7/64 and 5% under AlphaLinux.
* Well, to be honest it should say that this *prevents*
* performance degradation.
- * <appro@fy.chalmers.se>
+ * <appro@fy.chalmers.se>
* Apparently there're LP64 compilers that generate better
* code if A-D are declared int. Most notably GCC-x86_64
* generates better code.
- * <appro@fy.chalmers.se>
+ * <appro@fy.chalmers.se>
*/
#endif
projects / ossec-hids.git / blobdiff