remove OPENSSL_FIPSAPI

[openssl.git] / crypto / bn / bn_recp.c

diff --git a/crypto/bn/bn_recp.c b/crypto/bn/bn_recp.c
index ea39677bc0c097b34d2a79ef4b437b912564836f..f99e1b4812397b528bea8db8df3c8f16c82982a8 100644 (file)
--- a/crypto/bn/bn_recp.c
+++ b/crypto/bn/bn_recp.c
@@ -56,7 +56,8 @@
  * [including the GNU Public Licence.]
  */
 
-#include <stdio.h>
+
+
 #include "cryptlib.h"
 #include "bn_lcl.h"
 
@@ -94,7 +95,7 @@ void BN_RECP_CTX_free(BN_RECP_CTX *recp)
 int BN_RECP_CTX_set(BN_RECP_CTX *recp, const BIGNUM *d, BN_CTX *ctx)
        {
        if (!BN_copy(&(recp->N),d)) return 0;
-       if (!BN_zero(&(recp->Nr))) return 0;
+       BN_zero(&(recp->Nr));
        recp->num_bits=BN_num_bits(d);
        recp->shift=0;
        return(1);
@@ -148,7 +149,7 @@ int BN_div_recp(BIGNUM *dv, BIGNUM *rem, const BIGNUM *m,
 
        if (BN_ucmp(m,&(recp->N)) < 0)
                {
-               if (!BN_zero(d)) return 0;
+               BN_zero(d);
                if (!BN_copy(r,m)) return 0;
                BN_CTX_end(ctx);
                return(1);
@@ -191,7 +192,7 @@ int BN_div_recp(BIGNUM *dv, BIGNUM *rem, const BIGNUM *m,
                {
                if (j++ > 2)
                        {
-                       BNerr(BN_F_BN_MOD_MUL_RECIPROCAL,BN_R_BAD_RECIPROCAL);
+                       BNerr(BN_F_BN_DIV_RECP,BN_R_BAD_RECIPROCAL);
                        goto err;
                        }
                if (!BN_usub(r,r,&(recp->N))) goto err;
@@ -204,8 +205,8 @@ int BN_div_recp(BIGNUM *dv, BIGNUM *rem, const BIGNUM *m,
        ret=1;
 err:
        BN_CTX_end(ctx);
-       if(dv) bn_fix_top(dv);
-       if(rem) bn_fix_top(rem);
+       bn_check_top(dv);
+       bn_check_top(rem);
        return(ret);
        } 
 
@@ -217,18 +218,18 @@ err:
 int BN_reciprocal(BIGNUM *r, const BIGNUM *m, int len, BN_CTX *ctx)
        {
        int ret= -1;
-       BIGNUM t;
+       BIGNUM *t;
 
-       BN_init(&t);
+       BN_CTX_start(ctx);
+       if((t = BN_CTX_get(ctx)) == NULL) goto err;
 
-       if (!BN_zero(&t)) goto err;
-       if (!BN_set_bit(&t,len)) goto err;
+       if (!BN_set_bit(t,len)) goto err;
 
-       if (!BN_div(r,NULL,&t,m,ctx)) goto err;
+       if (!BN_div(r,NULL,t,m,ctx)) goto err;
 
        ret=len;
 err:
-       BN_free(&t);
        bn_check_top(r);
+       BN_CTX_end(ctx);
        return(ret);
        }