From 08e1cbc62c7408851f3ef6a2a08b4bb88952aac6 Mon Sep 17 00:00:00 2001 From: Geoff Thorpe Date: Wed, 28 Apr 2004 18:34:39 +0000 Subject: The new BN_CTX code makes this sort of abuse unnecessary. --- crypto/dsa/dsa_gen.c | 34 +++++++++++++++------------------- 1 file changed, 15 insertions(+), 19 deletions(-) (limited to 'crypto/dsa') diff --git a/crypto/dsa/dsa_gen.c b/crypto/dsa/dsa_gen.c index dffd588ff1..878dc67ad2 100644 --- a/crypto/dsa/dsa_gen.c +++ b/crypto/dsa/dsa_gen.c @@ -111,7 +111,7 @@ static int dsa_builtin_paramgen(DSA *ret, int bits, int k,n=0,i,b,m=0; int counter=0; int r=0; - BN_CTX *ctx=NULL,*ctx2=NULL,*ctx3=NULL; + BN_CTX *ctx=NULL; unsigned int h=2; if (bits < 512) bits=512; @@ -126,20 +126,18 @@ static int dsa_builtin_paramgen(DSA *ret, int bits, memcpy(seed,seed_in,seed_len); if ((ctx=BN_CTX_new()) == NULL) goto err; - if ((ctx2=BN_CTX_new()) == NULL) goto err; - if ((ctx3=BN_CTX_new()) == NULL) goto err; if ((mont=BN_MONT_CTX_new()) == NULL) goto err; - BN_CTX_start(ctx2); - r0 = BN_CTX_get(ctx2); - g = BN_CTX_get(ctx2); - W = BN_CTX_get(ctx2); - q = BN_CTX_get(ctx2); - X = BN_CTX_get(ctx2); - c = BN_CTX_get(ctx2); - p = BN_CTX_get(ctx2); - test = BN_CTX_get(ctx2); + BN_CTX_start(ctx); + r0 = BN_CTX_get(ctx); + g = BN_CTX_get(ctx); + W = BN_CTX_get(ctx); + q = BN_CTX_get(ctx); + X = BN_CTX_get(ctx); + c = BN_CTX_get(ctx); + p = BN_CTX_get(ctx); + test = BN_CTX_get(ctx); BN_lshift(test,BN_value_one(),bits-1); @@ -184,7 +182,7 @@ static int dsa_builtin_paramgen(DSA *ret, int bits, if (!BN_bin2bn(md,SHA_DIGEST_LENGTH,q)) goto err; /* step 4 */ - r = BN_is_prime_fasttest_ex(q, DSS_prime_checks, ctx3, + r = BN_is_prime_fasttest_ex(q, DSS_prime_checks, ctx, seed_is_random, cb); if (r > 0) break; @@ -247,7 +245,7 @@ static int dsa_builtin_paramgen(DSA *ret, int bits, { /* step 11 */ r = BN_is_prime_fasttest_ex(p, DSS_prime_checks, - ctx3, 1, cb); + ctx, 1, cb); if (r > 0) goto end; /* found it */ if (r != 0) @@ -300,13 +298,11 @@ err: if (counter_ret != NULL) *counter_ret=counter; if (h_ret != NULL) *h_ret=h; } - if (ctx != NULL) BN_CTX_free(ctx); - if (ctx2 != NULL) + if(ctx) { - BN_CTX_end(ctx2); - BN_CTX_free(ctx2); + BN_CTX_end(ctx); + BN_CTX_free(ctx); } - if (ctx3 != NULL) BN_CTX_free(ctx3); if (mont != NULL) BN_MONT_CTX_free(mont); return ok; } -- cgit v1.2.3