diff options
| author | Richard Levitte <levitte@openssl.org> | 2002-05-30 16:47:45 +0000 |
|---|---|---|
| committer | Richard Levitte <levitte@openssl.org> | 2002-05-30 16:47:45 +0000 |
| commit | 9cdf87f19431b32a50b12e468cf2a9557cfc3568 (patch) | |
| tree | 5aa5e1f88093d6b8013b9e2f1af0b18201b9bef6 /crypto/bn/bn_mont.c | |
| parent | a81e9d3dc45f29c1a5fde7fa641a43f796fe92d4 (diff) | |
| download | openssl-9cdf87f19431b32a50b12e468cf2a9557cfc3568.tar.gz | |
Check the return values where memory allocation failures may happen.
PR: 49
Diffstat (limited to 'crypto/bn/bn_mont.c')
| -rw-r--r-- | crypto/bn/bn_mont.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/crypto/bn/bn_mont.c b/crypto/bn/bn_mont.c index 82942a4759..c9ebdbaabe 100644 --- a/crypto/bn/bn_mont.c +++ b/crypto/bn/bn_mont.c @@ -221,7 +221,7 @@ int BN_from_montgomery(BIGNUM *ret, const BIGNUM *a, BN_MONT_CTX *mont, if (!BN_mul(t1,t2,&mont->N,ctx)) goto err; if (!BN_add(t2,a,t1)) goto err; - BN_rshift(ret,t2,mont->ri); + if (!BN_rshift(ret,t2,mont->ri)) goto err; #endif /* MONT_WORD */ if (BN_ucmp(ret, &(mont->N)) >= 0) @@ -282,8 +282,8 @@ int BN_MONT_CTX_set(BN_MONT_CTX *mont, const BIGNUM *mod, BN_CTX *ctx) BN_ULONG buf[2]; mont->ri=(BN_num_bits(mod)+(BN_BITS2-1))/BN_BITS2*BN_BITS2; - BN_zero(R); - BN_set_bit(R,BN_BITS2); /* R */ + if (!(BN_zero(R))) goto err; + if (!(BN_set_bit(R,BN_BITS2))) goto err; /* R */ buf[0]=mod->d[0]; /* tmod = N mod word size */ buf[1]=0; |