From 1457619e13a091fc8ff12c324e05603b30f10562 Mon Sep 17 00:00:00 2001 From: Ben Laurie Date: Fri, 26 Dec 2008 17:17:21 +0000 Subject: [PATCH] Remove misleading dead code. Constify. (Coverity ID 142) --- crypto/dsa/dsa.h | 4 ++-- crypto/dsa/dsa_gen.c | 9 ++------- crypto/dsa/dsa_locl.h | 2 +- 3 files changed, 5 insertions(+), 10 deletions(-) diff --git a/crypto/dsa/dsa.h b/crypto/dsa/dsa.h index 27bc5b91ca..7e6d84a37e 100644 --- a/crypto/dsa/dsa.h +++ b/crypto/dsa/dsa.h @@ -131,7 +131,7 @@ struct dsa_method char *app_data; /* If this is non-NULL, it is used to generate DSA parameters */ int (*dsa_paramgen)(DSA *dsa, int bits, - unsigned char *seed, int seed_len, + const unsigned char *seed, int seed_len, int *counter_ret, unsigned long *h_ret, BN_GENCB *cb); /* If this is non-NULL, it is used to generate DSA keys */ @@ -220,7 +220,7 @@ DSA * DSA_generate_parameters(int bits, /* New version */ int DSA_generate_parameters_ex(DSA *dsa, int bits, - unsigned char *seed,int seed_len, + const unsigned char *seed,int seed_len, int *counter_ret, unsigned long *h_ret, BN_GENCB *cb); int DSA_generate_key(DSA *a); diff --git a/crypto/dsa/dsa_gen.c b/crypto/dsa/dsa_gen.c index 2435fc8bc7..0fcd25f8b0 100644 --- a/crypto/dsa/dsa_gen.c +++ b/crypto/dsa/dsa_gen.c @@ -82,7 +82,7 @@ #include "dsa_locl.h" int DSA_generate_parameters_ex(DSA *ret, int bits, - unsigned char *seed_in, int seed_len, + const unsigned char *seed_in, int seed_len, int *counter_ret, unsigned long *h_ret, BN_GENCB *cb) { if(ret->meth->dsa_paramgen) @@ -110,7 +110,7 @@ int DSA_generate_parameters_ex(DSA *ret, int bits, } int dsa_builtin_paramgen(DSA *ret, size_t bits, size_t qbits, - const EVP_MD *evpmd, unsigned char *seed_in, size_t seed_len, + const EVP_MD *evpmd, const unsigned char *seed_in, size_t seed_len, int *counter_ret, unsigned long *h_ret, BN_GENCB *cb) { int ok=0; @@ -149,11 +149,7 @@ int dsa_builtin_paramgen(DSA *ret, size_t bits, size_t qbits, seed_len = qsize; /* App. 2.2 of FIPS PUB 186 allows larger SEED, * but our internal buffers are restricted to 160 bits*/ if (seed_in != NULL) - { memcpy(seed, seed_in, seed_len); - /* set seed_in to NULL to avoid it being copied back */ - seed_in = NULL; - } if ((ctx=BN_CTX_new()) == NULL) goto err; @@ -335,7 +331,6 @@ err: ok=0; goto err; } - if (seed_in != NULL) memcpy(seed_in,seed, qsize); if (counter_ret != NULL) *counter_ret=counter; if (h_ret != NULL) *h_ret=h; } diff --git a/crypto/dsa/dsa_locl.h b/crypto/dsa/dsa_locl.h index f1bbf72fb8..2b8cfee3db 100644 --- a/crypto/dsa/dsa_locl.h +++ b/crypto/dsa/dsa_locl.h @@ -55,5 +55,5 @@ #include int dsa_builtin_paramgen(DSA *ret, size_t bits, size_t qbits, - const EVP_MD *evpmd, unsigned char *seed_in, size_t seed_len, + const EVP_MD *evpmd, const unsigned char *seed_in, size_t seed_len, int *counter_ret, unsigned long *h_ret, BN_GENCB *cb); -- 2.34.1