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| author | Mike DePaulo <mikedep333@gmail.com> | 2015-07-07 08:57:00 -0400 |
|---|---|---|
| committer | Mike DePaulo <mikedep333@gmail.com> | 2015-07-07 09:01:38 -0400 |
| commit | f65ff03d106f4cfe162bfde4780426b7bbc2e4ee (patch) | |
| tree | 571dd0bd95a0341fcb1817a3a17df69b1d43e3de /openssl/crypto/bn/bn_gf2m.c | |
| parent | 4241d28e545a02eb753c8f713149e20747f044b6 (diff) | |
| download | vcxsrv-f65ff03d106f4cfe162bfde4780426b7bbc2e4ee.tar.gz vcxsrv-f65ff03d106f4cfe162bfde4780426b7bbc2e4ee.tar.bz2 vcxsrv-f65ff03d106f4cfe162bfde4780426b7bbc2e4ee.zip | |
Update openssl: 1.0.1m -> 1.0.1o
Diffstat (limited to 'openssl/crypto/bn/bn_gf2m.c')
| -rw-r--r-- | openssl/crypto/bn/bn_gf2m.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/openssl/crypto/bn/bn_gf2m.c b/openssl/crypto/bn/bn_gf2m.c index aeee49a01..a0ba8de31 100644 --- a/openssl/crypto/bn/bn_gf2m.c +++ b/openssl/crypto/bn/bn_gf2m.c @@ -694,9 +694,10 @@ int BN_GF2m_mod_inv(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, BN_CTX *ctx) } # else { - int i, ubits = BN_num_bits(u), vbits = BN_num_bits(v), /* v is copy - * of p */ - top = p->top; + int i; + int ubits = BN_num_bits(u); + int vbits = BN_num_bits(v); /* v is copy of p */ + int top = p->top; BN_ULONG *udp, *bdp, *vdp, *cdp; bn_wexpand(u, top); @@ -740,8 +741,12 @@ int BN_GF2m_mod_inv(BIGNUM *r, const BIGNUM *a, const BIGNUM *p, BN_CTX *ctx) ubits--; } - if (ubits <= BN_BITS2 && udp[0] == 1) - break; + if (ubits <= BN_BITS2) { + if (udp[0] == 0) /* poly was reducible */ + goto err; + if (udp[0] == 1) + break; + } if (ubits < vbits) { i = ubits; |