diff options
Diffstat (limited to 'crypto/openssh/rsa.c')
| -rw-r--r-- | crypto/openssh/rsa.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/crypto/openssh/rsa.c b/crypto/openssh/rsa.c index 08cc820..bec1d19 100644 --- a/crypto/openssh/rsa.c +++ b/crypto/openssh/rsa.c @@ -1,4 +1,4 @@ -/* $OpenBSD: rsa.c,v 1.28 2006/08/03 03:34:42 deraadt Exp $ */ +/* $OpenBSD: rsa.c,v 1.29 2006/11/06 21:25:28 markus Exp $ */ /* * Author: Tatu Ylonen <ylo@cs.hut.fi> * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland @@ -91,7 +91,8 @@ rsa_public_encrypt(BIGNUM *out, BIGNUM *in, RSA *key) RSA_PKCS1_PADDING)) <= 0) fatal("rsa_public_encrypt() failed"); - BN_bin2bn(outbuf, len, out); + if (BN_bin2bn(outbuf, len, out) == NULL) + fatal("rsa_public_encrypt: BN_bin2bn failed"); memset(outbuf, 0, olen); memset(inbuf, 0, ilen); @@ -116,7 +117,8 @@ rsa_private_decrypt(BIGNUM *out, BIGNUM *in, RSA *key) RSA_PKCS1_PADDING)) <= 0) { error("rsa_private_decrypt() failed"); } else { - BN_bin2bn(outbuf, len, out); + if (BN_bin2bn(outbuf, len, out) == NULL) + fatal("rsa_private_decrypt: BN_bin2bn failed"); } memset(outbuf, 0, olen); memset(inbuf, 0, ilen); @@ -137,11 +139,11 @@ rsa_generate_additional_parameters(RSA *rsa) if ((ctx = BN_CTX_new()) == NULL) fatal("rsa_generate_additional_parameters: BN_CTX_new failed"); - BN_sub(aux, rsa->q, BN_value_one()); - BN_mod(rsa->dmq1, rsa->d, aux, ctx); - - BN_sub(aux, rsa->p, BN_value_one()); - BN_mod(rsa->dmp1, rsa->d, aux, ctx); + if ((BN_sub(aux, rsa->q, BN_value_one()) == 0) || + (BN_mod(rsa->dmq1, rsa->d, aux, ctx) == 0) || + (BN_sub(aux, rsa->p, BN_value_one()) == 0) || + (BN_mod(rsa->dmp1, rsa->d, aux, ctx) == 0)) + fatal("rsa_generate_additional_parameters: BN_sub/mod failed"); BN_clear_free(aux); BN_CTX_free(ctx); |
