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With the new dynamic BN_CTX implementation, there should be no need for

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additional contexts.
This commit is contained in:
Geoff Thorpe 2004-04-27 13:24:51 +00:00
parent 8a85c341fe
commit 081991ac01
1 changed files with 3 additions and 6 deletions
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9
crypto/rsa/rsa_gen.c
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@ -86,12 +86,10 @@ static int rsa_builtin_keygen(RSA *rsa, int bits, BIGNUM *e_value, BN_GENCB *cb)
{ {
BIGNUM *r0=NULL,*r1=NULL,*r2=NULL,*r3=NULL,*tmp; BIGNUM *r0=NULL,*r1=NULL,*r2=NULL,*r3=NULL,*tmp;
int bitsp,bitsq,ok= -1,n=0; int bitsp,bitsq,ok= -1,n=0;
BN_CTX *ctx=NULL,*ctx2=NULL; BN_CTX *ctx=NULL;
ctx=BN_CTX_new(); ctx=BN_CTX_new();
if (ctx == NULL) goto err; if (ctx == NULL) goto err;
ctx2=BN_CTX_new();
if (ctx2 == NULL) goto err;
BN_CTX_start(ctx); BN_CTX_start(ctx);
r0 = BN_CTX_get(ctx); r0 = BN_CTX_get(ctx);
r1 = BN_CTX_get(ctx); r1 = BN_CTX_get(ctx);
@ -183,7 +181,7 @@ static int rsa_builtin_keygen(RSA *rsa, int bits, BIGNUM *e_value, BN_GENCB *cb)
goto err; goto err;
} }
*/ */
if (!BN_mod_inverse(rsa->d,rsa->e,r0,ctx2)) goto err; /* d */ if (!BN_mod_inverse(rsa->d,rsa->e,r0,ctx)) goto err; /* d */
/* calculate d mod (p-1) */ /* calculate d mod (p-1) */
if (!BN_mod(rsa->dmp1,rsa->d,r1,ctx)) goto err; if (!BN_mod(rsa->dmp1,rsa->d,r1,ctx)) goto err;
@ -192,7 +190,7 @@ static int rsa_builtin_keygen(RSA *rsa, int bits, BIGNUM *e_value, BN_GENCB *cb)
if (!BN_mod(rsa->dmq1,rsa->d,r2,ctx)) goto err; if (!BN_mod(rsa->dmq1,rsa->d,r2,ctx)) goto err;
/* calculate inverse of q mod p */ /* calculate inverse of q mod p */
if (!BN_mod_inverse(rsa->iqmp,rsa->q,rsa->p,ctx2)) goto err; if (!BN_mod_inverse(rsa->iqmp,rsa->q,rsa->p,ctx)) goto err;
ok=1; ok=1;
err: err:
@ -203,7 +201,6 @@ err:
} }
BN_CTX_end(ctx); BN_CTX_end(ctx);
BN_CTX_free(ctx); BN_CTX_free(ctx);
BN_CTX_free(ctx2);
return ok; return ok;
} }