summaryrefslogtreecommitdiffstats
path: root/src/crypto/bn/bn.c
diff options
context:
space:
mode:
authorKenny Root <kroot@google.com>2015-10-02 16:09:15 -0700
committerKenny Root <kroot@google.com>2015-10-02 16:09:49 -0700
commitfe7305364c3369f9222a61646c5c9842eae9bceb (patch)
tree360ada970b7bb1046ae069d253ba24d9622eb3ad /src/crypto/bn/bn.c
parent691ef9d0ff0ece39ffd6a58960a7cd195ef584ae (diff)
parentb452bce3bf2034466cee6206ebf3994409468ee4 (diff)
downloadexternal_boringssl-fe7305364c3369f9222a61646c5c9842eae9bceb.zip
external_boringssl-fe7305364c3369f9222a61646c5c9842eae9bceb.tar.gz
external_boringssl-fe7305364c3369f9222a61646c5c9842eae9bceb.tar.bz2
Merge mnc-dr-dev-plus-aosp into mnc-ub-dev
This pulls in the latest version of BoringSSL. Change-Id: I0ab5c73d60f41a696c9a828fac87670aaca10dec
Diffstat (limited to 'src/crypto/bn/bn.c')
-rw-r--r--src/crypto/bn/bn.c20
1 files changed, 12 insertions, 8 deletions
diff --git a/src/crypto/bn/bn.c b/src/crypto/bn/bn.c
index f32d6b0..b342749 100644
--- a/src/crypto/bn/bn.c
+++ b/src/crypto/bn/bn.c
@@ -69,7 +69,7 @@ BIGNUM *BN_new(void) {
BIGNUM *bn = OPENSSL_malloc(sizeof(BIGNUM));
if (bn == NULL) {
- OPENSSL_PUT_ERROR(BN, BN_new, ERR_R_MALLOC_FAILURE);
+ OPENSSL_PUT_ERROR(BN, ERR_R_MALLOC_FAILURE);
return NULL;
}
@@ -279,26 +279,26 @@ void BN_set_negative(BIGNUM *bn, int sign) {
}
}
-BIGNUM *bn_wexpand(BIGNUM *bn, unsigned words) {
+BIGNUM *bn_wexpand(BIGNUM *bn, size_t words) {
BN_ULONG *a;
- if (words <= (unsigned) bn->dmax) {
+ if (words <= (size_t)bn->dmax) {
return bn;
}
if (words > (INT_MAX / (4 * BN_BITS2))) {
- OPENSSL_PUT_ERROR(BN, bn_wexpand, BN_R_BIGNUM_TOO_LONG);
+ OPENSSL_PUT_ERROR(BN, BN_R_BIGNUM_TOO_LONG);
return NULL;
}
if (bn->flags & BN_FLG_STATIC_DATA) {
- OPENSSL_PUT_ERROR(BN, bn_wexpand, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);
+ OPENSSL_PUT_ERROR(BN, BN_R_EXPAND_ON_STATIC_BIGNUM_DATA);
return NULL;
}
a = (BN_ULONG *)OPENSSL_malloc(sizeof(BN_ULONG) * words);
if (a == NULL) {
- OPENSSL_PUT_ERROR(BN, bn_wexpand, ERR_R_MALLOC_FAILURE);
+ OPENSSL_PUT_ERROR(BN, ERR_R_MALLOC_FAILURE);
return NULL;
}
@@ -306,12 +306,16 @@ BIGNUM *bn_wexpand(BIGNUM *bn, unsigned words) {
OPENSSL_free(bn->d);
bn->d = a;
- bn->dmax = words;
+ bn->dmax = (int)words;
return bn;
}
-BIGNUM *bn_expand(BIGNUM *bn, unsigned bits) {
+BIGNUM *bn_expand(BIGNUM *bn, size_t bits) {
+ if (bits + BN_BITS2 - 1 < bits) {
+ OPENSSL_PUT_ERROR(BN, BN_R_BIGNUM_TOO_LONG);
+ return NULL;
+ }
return bn_wexpand(bn, (bits+BN_BITS2-1)/BN_BITS2);
}