diff options
| author | Geoff Thorpe <geoff@openssl.org> | 2003-11-29 20:34:07 +0000 |
|---|---|---|
| committer | Geoff Thorpe <geoff@openssl.org> | 2003-11-29 20:34:07 +0000 |
| commit | 657a9195983badf9f0a45d32bd8199bab27f0e01 (patch) | |
| tree | 8f45833a0f196c5c34225876cfdb92c2e4a6f716 /crypto/bn | |
| parent | 6859bb1a222d638b27e2b738022106640b07e779 (diff) | |
| download | openssl-new-657a9195983badf9f0a45d32bd8199bab27f0e01.tar.gz | |
This improves the placement of check_top() macros in a couple of bn_lib
functions.
Diffstat (limited to 'crypto/bn')
| -rw-r--r-- | crypto/bn/bn_lib.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/crypto/bn/bn_lib.c b/crypto/bn/bn_lib.c index 43c336f526..b499292884 100644 --- a/crypto/bn/bn_lib.c +++ b/crypto/bn/bn_lib.c @@ -579,6 +579,9 @@ void BN_swap(BIGNUM *a, BIGNUM *b) BN_ULONG *tmp_d; int tmp_top, tmp_dmax, tmp_neg; + bn_check_top(a); + bn_check_top(b); + flags_old_a = a->flags; flags_old_b = b->flags; @@ -606,11 +609,11 @@ void BN_swap(BIGNUM *a, BIGNUM *b) void BN_clear(BIGNUM *a) { + bn_check_top(a); if (a->d != NULL) memset(a->d,0,a->dmax*sizeof(a->d[0])); a->top=0; a->neg=0; - bn_check_top(a); } BN_ULONG BN_get_word(const BIGNUM *a) @@ -637,6 +640,7 @@ BN_ULONG BN_get_word(const BIGNUM *a) int BN_set_word(BIGNUM *a, BN_ULONG w) { int i,n; + bn_check_top(a); if (bn_expand(a,(int)sizeof(BN_ULONG)*8) == NULL) return(0); n=sizeof(BN_ULONG)/BN_BYTES; @@ -670,6 +674,7 @@ BIGNUM *BN_bin2bn(const unsigned char *s, int len, BIGNUM *ret) if (ret == NULL) ret=BN_new(); if (ret == NULL) return(NULL); + bn_check_top(ret); l=0; n=len; if (n == 0) @@ -705,13 +710,13 @@ int BN_bn2bin(const BIGNUM *a, unsigned char *to) int n,i; BN_ULONG l; + bn_check_top(a); n=i=BN_num_bytes(a); while (i-- > 0) { l=a->d[i/BN_BYTES]; *(to++)=(unsigned char)(l>>(8*(i%BN_BYTES)))&0xff; } - bn_check_top(a); return(n); } |