use-memcpy.diff
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Filename: use-memcpy.diff
Type: text/plain
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API reference →
Format: context
| File | + | − |
|---|---|---|
| contrib/pgcrypto/sha2.c | 26 | 31 |
Index: contrib/pgcrypto/sha2.c
===================================================================
RCS file: /opt/arc/cvs2/pgsql/contrib/pgcrypto/sha2.c,v
retrieving revision 1.2
diff -u -c -r1.2 sha2.c
*** contrib/pgcrypto/sha2.c 11 Jul 2005 15:07:59 -0000 1.2
--- contrib/pgcrypto/sha2.c 11 Jul 2005 15:20:33 -0000
***************
*** 42,52 ****
#include "sha2.h"
- #undef bcopy
- #undef bzero
- #define bcopy(src, dst, len) memcpy((dst), (src), (len))
- #define bzero(ptr, len) memset((ptr), 0, (len))
-
/*
* UNROLLED TRANSFORM LOOP NOTE:
* You can define SHA2_UNROLL_TRANSFORM to use the unrolled transform
--- 42,47 ----
***************
*** 281,288 ****
{
if (context == NULL)
return;
! bcopy(sha256_initial_hash_value, context->state, SHA256_DIGEST_LENGTH);
! bzero(context->buffer, SHA256_BLOCK_LENGTH);
context->bitcount = 0;
}
--- 276,283 ----
{
if (context == NULL)
return;
! memcpy(context->state, sha256_initial_hash_value, SHA256_DIGEST_LENGTH);
! memset(context->buffer, 0, SHA256_BLOCK_LENGTH);
context->bitcount = 0;
}
***************
*** 466,479 ****
if (len >= freespace) {
/* Fill the buffer completely and process it */
! bcopy(data, &context->buffer[usedspace], freespace);
context->bitcount += freespace << 3;
len -= freespace;
data += freespace;
SHA256_Transform(context, context->buffer);
} else {
/* The buffer is not yet full */
! bcopy(data, &context->buffer[usedspace], len);
context->bitcount += len << 3;
/* Clean up: */
usedspace = freespace = 0;
--- 461,474 ----
if (len >= freespace) {
/* Fill the buffer completely and process it */
! memcpy(&context->buffer[usedspace], data, freespace);
context->bitcount += freespace << 3;
len -= freespace;
data += freespace;
SHA256_Transform(context, context->buffer);
} else {
/* The buffer is not yet full */
! memcpy(&context->buffer[usedspace], data, len);
context->bitcount += len << 3;
/* Clean up: */
usedspace = freespace = 0;
***************
*** 489,495 ****
}
if (len > 0) {
/* There's left-overs, so save 'em */
! bcopy(data, context->buffer, len);
context->bitcount += len << 3;
}
/* Clean up: */
--- 484,490 ----
}
if (len > 0) {
/* There's left-overs, so save 'em */
! memcpy(context->buffer, data, len);
context->bitcount += len << 3;
}
/* Clean up: */
***************
*** 514,533 ****
if (usedspace <= SHA256_SHORT_BLOCK_LENGTH) {
/* Set-up for the last transform: */
! bzero(&context->buffer[usedspace], SHA256_SHORT_BLOCK_LENGTH - usedspace);
} else {
if (usedspace < SHA256_BLOCK_LENGTH) {
! bzero(&context->buffer[usedspace], SHA256_BLOCK_LENGTH - usedspace);
}
/* Do second-to-last transform: */
SHA256_Transform(context, context->buffer);
/* And set-up for the last transform: */
! bzero(context->buffer, SHA256_SHORT_BLOCK_LENGTH);
}
} else {
/* Set-up for the last transform: */
! bzero(context->buffer, SHA256_SHORT_BLOCK_LENGTH);
/* Begin padding with a 1 bit: */
*context->buffer = 0x80;
--- 509,528 ----
if (usedspace <= SHA256_SHORT_BLOCK_LENGTH) {
/* Set-up for the last transform: */
! memset(&context->buffer[usedspace], 0, SHA256_SHORT_BLOCK_LENGTH - usedspace);
} else {
if (usedspace < SHA256_BLOCK_LENGTH) {
! memset(&context->buffer[usedspace], 0, SHA256_BLOCK_LENGTH - usedspace);
}
/* Do second-to-last transform: */
SHA256_Transform(context, context->buffer);
/* And set-up for the last transform: */
! memset(context->buffer, 0, SHA256_SHORT_BLOCK_LENGTH);
}
} else {
/* Set-up for the last transform: */
! memset(context->buffer, 0, SHA256_SHORT_BLOCK_LENGTH);
/* Begin padding with a 1 bit: */
*context->buffer = 0x80;
***************
*** 547,557 ****
}
}
#endif
! bcopy(context->state, digest, SHA256_DIGEST_LENGTH);
}
/* Clean up state data: */
! bzero(context, sizeof(*context));
usedspace = 0;
}
--- 542,552 ----
}
}
#endif
! memcpy(digest, context->state, SHA256_DIGEST_LENGTH);
}
/* Clean up state data: */
! memset(context, 0, sizeof(*context));
usedspace = 0;
}
***************
*** 562,569 ****
{
if (context == NULL)
return;
! bcopy(sha512_initial_hash_value, context->state, SHA512_DIGEST_LENGTH);
! bzero(context->buffer, SHA512_BLOCK_LENGTH);
context->bitcount[0] = context->bitcount[1] = 0;
}
--- 557,564 ----
{
if (context == NULL)
return;
! memcpy(context->state, sha512_initial_hash_value, SHA512_DIGEST_LENGTH);
! memset(context->buffer, 0, SHA512_BLOCK_LENGTH);
context->bitcount[0] = context->bitcount[1] = 0;
}
***************
*** 747,760 ****
if (len >= freespace) {
/* Fill the buffer completely and process it */
! bcopy(data, &context->buffer[usedspace], freespace);
ADDINC128(context->bitcount, freespace << 3);
len -= freespace;
data += freespace;
SHA512_Transform(context, context->buffer);
} else {
/* The buffer is not yet full */
! bcopy(data, &context->buffer[usedspace], len);
ADDINC128(context->bitcount, len << 3);
/* Clean up: */
usedspace = freespace = 0;
--- 742,755 ----
if (len >= freespace) {
/* Fill the buffer completely and process it */
! memcpy(&context->buffer[usedspace], data, freespace);
ADDINC128(context->bitcount, freespace << 3);
len -= freespace;
data += freespace;
SHA512_Transform(context, context->buffer);
} else {
/* The buffer is not yet full */
! memcpy(&context->buffer[usedspace], data, len);
ADDINC128(context->bitcount, len << 3);
/* Clean up: */
usedspace = freespace = 0;
***************
*** 770,776 ****
}
if (len > 0) {
/* There's left-overs, so save 'em */
! bcopy(data, context->buffer, len);
ADDINC128(context->bitcount, len << 3);
}
/* Clean up: */
--- 765,771 ----
}
if (len > 0) {
/* There's left-overs, so save 'em */
! memcpy(context->buffer, data, len);
ADDINC128(context->bitcount, len << 3);
}
/* Clean up: */
***************
*** 794,813 ****
if (usedspace <= SHA512_SHORT_BLOCK_LENGTH) {
/* Set-up for the last transform: */
! bzero(&context->buffer[usedspace], SHA512_SHORT_BLOCK_LENGTH - usedspace);
} else {
if (usedspace < SHA512_BLOCK_LENGTH) {
! bzero(&context->buffer[usedspace], SHA512_BLOCK_LENGTH - usedspace);
}
/* Do second-to-last transform: */
SHA512_Transform(context, context->buffer);
/* And set-up for the last transform: */
! bzero(context->buffer, SHA512_BLOCK_LENGTH - 2);
}
} else {
/* Prepare for final transform: */
! bzero(context->buffer, SHA512_SHORT_BLOCK_LENGTH);
/* Begin padding with a 1 bit: */
*context->buffer = 0x80;
--- 789,808 ----
if (usedspace <= SHA512_SHORT_BLOCK_LENGTH) {
/* Set-up for the last transform: */
! memset(&context->buffer[usedspace], 0, SHA512_SHORT_BLOCK_LENGTH - usedspace);
} else {
if (usedspace < SHA512_BLOCK_LENGTH) {
! memset(&context->buffer[usedspace], 0, SHA512_BLOCK_LENGTH - usedspace);
}
/* Do second-to-last transform: */
SHA512_Transform(context, context->buffer);
/* And set-up for the last transform: */
! memset(context->buffer, 0, SHA512_BLOCK_LENGTH - 2);
}
} else {
/* Prepare for final transform: */
! memset(context->buffer, 0, SHA512_SHORT_BLOCK_LENGTH);
/* Begin padding with a 1 bit: */
*context->buffer = 0x80;
***************
*** 837,847 ****
}
}
#endif
! bcopy(context->state, digest, SHA512_DIGEST_LENGTH);
}
/* Zero out state data */
! bzero(context, sizeof(*context));
}
--- 832,842 ----
}
}
#endif
! memcpy(digest, context->state, SHA512_DIGEST_LENGTH);
}
/* Zero out state data */
! memset(context, 0, sizeof(*context));
}
***************
*** 851,858 ****
{
if (context == NULL)
return;
! bcopy(sha384_initial_hash_value, context->state, SHA512_DIGEST_LENGTH);
! bzero(context->buffer, SHA384_BLOCK_LENGTH);
context->bitcount[0] = context->bitcount[1] = 0;
}
--- 846,853 ----
{
if (context == NULL)
return;
! memcpy(context->state, sha384_initial_hash_value, SHA512_DIGEST_LENGTH);
! memset(context->buffer, 0, SHA384_BLOCK_LENGTH);
context->bitcount[0] = context->bitcount[1] = 0;
}
***************
*** 879,887 ****
}
}
#endif
! bcopy(context->state, digest, SHA384_DIGEST_LENGTH);
}
/* Zero out state data */
! bzero(context, sizeof(*context));
}
--- 874,882 ----
}
}
#endif
! memcpy(digest, context->state, SHA384_DIGEST_LENGTH);
}
/* Zero out state data */
! memset(context, 0, sizeof(*context));
}