From d4fcd82bb7f6d603bd61e19a81ba97337b89dfca Mon Sep 17 00:00:00 2001 From: markus <> Date: Mon, 12 May 2003 02:18:40 +0000 Subject: merge 0.9.7b with local changes; crank majors for libssl/libcrypto --- src/lib/libcrypto/dsa/dsa_ossl.c | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) (limited to 'src/lib/libcrypto/dsa/dsa_ossl.c') diff --git a/src/lib/libcrypto/dsa/dsa_ossl.c b/src/lib/libcrypto/dsa/dsa_ossl.c index 37dd5fc994..b9e7f3ea5c 100644 --- a/src/lib/libcrypto/dsa/dsa_ossl.c +++ b/src/lib/libcrypto/dsa/dsa_ossl.c @@ -64,7 +64,6 @@ #include #include #include -#include static DSA_SIG *dsa_do_sign(const unsigned char *dgst, int dlen, DSA *dsa); static int dsa_sign_setup(DSA *dsa, BN_CTX *ctx_in, BIGNUM **kinvp, BIGNUM **rp); @@ -106,13 +105,15 @@ static DSA_SIG *dsa_do_sign(const unsigned char *dgst, int dlen, DSA *dsa) int i,reason=ERR_R_BN_LIB; DSA_SIG *ret=NULL; + BN_init(&m); + BN_init(&xr); + if (!dsa->p || !dsa->q || !dsa->g) { reason=DSA_R_MISSING_PARAMETERS; goto err; } - BN_init(&m); - BN_init(&xr); + s=BN_new(); if (s == NULL) goto err; @@ -178,6 +179,9 @@ static int dsa_sign_setup(DSA *dsa, BN_CTX *ctx_in, BIGNUM **kinvp, BIGNUM **rp) DSAerr(DSA_F_DSA_SIGN_SETUP,DSA_R_MISSING_PARAMETERS); return 0; } + + BN_init(&k); + if (ctx_in == NULL) { if ((ctx=BN_CTX_new()) == NULL) goto err; @@ -185,7 +189,6 @@ static int dsa_sign_setup(DSA *dsa, BN_CTX *ctx_in, BIGNUM **kinvp, BIGNUM **rp) else ctx=ctx_in; - BN_init(&k); if ((r=BN_new()) == NULL) goto err; kinv=NULL; @@ -241,11 +244,12 @@ static int dsa_do_verify(const unsigned char *dgst, int dgst_len, DSA_SIG *sig, return -1; } - if ((ctx=BN_CTX_new()) == NULL) goto err; BN_init(&u1); BN_init(&u2); BN_init(&t1); + if ((ctx=BN_CTX_new()) == NULL) goto err; + if (BN_is_zero(sig->r) || sig->r->neg || BN_ucmp(sig->r, dsa->q) >= 0) { ret = 0; -- cgit v1.2.3-55-g6feb