diff options
author | Andy Polyakov <appro@openssl.org> | 2007-07-08 18:55:51 +0000 |
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committer | Andy Polyakov <appro@openssl.org> | 2007-07-08 18:55:51 +0000 |
commit | 6c3fca2b10ac52bbc296be6c919599c7ef92a712 (patch) | |
tree | 4d3a54c1af1dd8f65e4e7eae5470d155661274e7 | |
parent | 0225c7a41e31c5cd39c7acf53250195a290f11a8 (diff) |
bn_mul_recursive doesn't handle all cases correctly, which results in
BN_mul failures at certain key-length mixes [from HEAD].
PR: 1427
-rw-r--r-- | crypto/bn/bn_mul.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/crypto/bn/bn_mul.c b/crypto/bn/bn_mul.c index aec1eafc65..312b467645 100644 --- a/crypto/bn/bn_mul.c +++ b/crypto/bn/bn_mul.c @@ -655,16 +655,16 @@ void bn_mul_part_recursive(BN_ULONG *r, BN_ULONG *a, BN_ULONG *b, int n, for (;;) { i/=2; - if (i < tna && i < tnb) + if (i <= tna && tna == tnb) { - bn_mul_part_recursive(&(r[n2]), + bn_mul_recursive(&(r[n2]), &(a[n]),&(b[n]), i,tna-i,tnb-i,p); break; } - else if (i <= tna && i <= tnb) + else if (i < tna || i < tnb) { - bn_mul_recursive(&(r[n2]), + bn_mul_part_recursive(&(r[n2]), &(a[n]),&(b[n]), i,tna-i,tnb-i,p); break; |