ec/ecp_nistz256.c: harmonize with latest indent script.
[oweals/openssl.git] / crypto / rsa / rsa_gen.c
index d28f8725cd06fb637cbf568d631f747de19866d9..2a716aea5430afd8d0d2710f73f435b57f1e5130 100644 (file)
@@ -62,7 +62,7 @@
  * - Geoff
  */
 
-#define OPENSSL_FIPSAPI
+
 
 #include <stdio.h>
 #include <time.h>
 #include <openssl/bn.h>
 #include <openssl/rsa.h>
 
-#ifdef OPENSSL_FIPS
-
-
-#include <openssl/fips.h>
-#include <openssl/fips_rand.h>
-#include <openssl/evp.h>
-
-/* Check PRNG has sufficient security level to handle an RSA operation */
-
-int fips_check_rsa_prng(RSA *rsa, int bits)
-       {
-       int strength;
-       if (!FIPS_module_mode())
-               return 1;
-
-       if (rsa->flags & (RSA_FLAG_NON_FIPS_ALLOW|RSA_FLAG_CHECKED))
-               return 1;
-
-       if (bits == 0)
-               bits = BN_num_bits(rsa->n);
-
-       /* Should never happen */
-       if (bits < 1024)
-               {
-               FIPSerr(FIPS_F_FIPS_CHECK_RSA_PRNG,FIPS_R_KEY_TOO_SHORT);
-               return 0;
-               }
-       /* From SP800-57 */
-       if (bits < 2048)
-               strength = 80;
-       else if (bits < 3072)
-               strength = 112;
-       else if (bits < 7680)
-               strength = 128;
-       else if (bits < 15360)
-               strength = 192;
-       else 
-               strength = 256;
-
-       if (FIPS_rand_strength() >= strength)
-               return 1;
-
-       FIPSerr(FIPS_F_FIPS_CHECK_RSA_PRNG,FIPS_R_PRNG_STRENGTH_TOO_LOW);
-       return 0;
-       }
-       
-
-int fips_check_rsa(RSA *rsa)
-       {
-       const unsigned char tbs[] = "RSA Pairwise Check Data";
-       unsigned char *ctbuf = NULL, *ptbuf = NULL;
-       int len, ret = 0;
-       EVP_PKEY pk;
-       pk.type = EVP_PKEY_RSA;
-       pk.pkey.rsa = rsa;
-
-       /* Perform pairwise consistency signature test */
-       if (!fips_pkey_signature_test(FIPS_TEST_PAIRWISE, &pk, tbs, 0,
-                       NULL, 0, NULL, RSA_PKCS1_PADDING, NULL)
-               || !fips_pkey_signature_test(FIPS_TEST_PAIRWISE, &pk, tbs, 0,
-                       NULL, 0, NULL, RSA_X931_PADDING, NULL)
-               || !fips_pkey_signature_test(FIPS_TEST_PAIRWISE, &pk, tbs, 0,
-                       NULL, 0, NULL, RSA_PKCS1_PSS_PADDING, NULL))
-               goto err;
-       /* Now perform pairwise consistency encrypt/decrypt test */
-       ctbuf = OPENSSL_malloc(RSA_size(rsa));
-       if (!ctbuf)
-               goto err;
-
-       len = RSA_public_encrypt(sizeof(tbs) - 1, tbs, ctbuf, rsa, RSA_PKCS1_PADDING);
-       if (len <= 0)
-               goto err;
-       /* Check ciphertext doesn't match plaintext */
-       if ((len == (sizeof(tbs) - 1)) && !memcmp(tbs, ctbuf, len))
-               goto err;
-       ptbuf = OPENSSL_malloc(RSA_size(rsa));
-
-       if (!ptbuf)
-               goto err;
-       len = RSA_private_decrypt(len, ctbuf, ptbuf, rsa, RSA_PKCS1_PADDING);
-       if (len != (sizeof(tbs) - 1))
-               goto err;
-       if (memcmp(ptbuf, tbs, len))
-               goto err;
-
-       ret = 1;
-
-       if (!ptbuf)
-               goto err;
-       
-       err:
-       if (ret == 0)
-               {
-               fips_set_selftest_fail();
-               FIPSerr(FIPS_F_FIPS_CHECK_RSA,FIPS_R_PAIRWISE_TEST_FAILED);
-               }
-
-       if (ctbuf)
-               OPENSSL_free(ctbuf);
-       if (ptbuf)
-               OPENSSL_free(ptbuf);
-
-       return ret;
-       }
-#endif
-
 static int rsa_builtin_keygen(RSA *rsa, int bits, BIGNUM *e_value, BN_GENCB *cb);
 
 /* NB: this wrapper would normally be placed in rsa_lib.c and the static
@@ -193,27 +87,16 @@ int RSA_generate_key_ex(RSA *rsa, int bits, BIGNUM *e_value, BN_GENCB *cb)
 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 local_r0,local_d,local_p;
+       BIGNUM *local_r0, *local_d, *local_p;
        BIGNUM *pr0,*d,*p;
        int bitsp,bitsq,ok= -1,n=0;
        BN_CTX *ctx=NULL;
 
-#ifdef OPENSSL_FIPS
-       if(FIPS_selftest_failed())
-           {
-           FIPSerr(FIPS_F_RSA_BUILTIN_KEYGEN,FIPS_R_FIPS_SELFTEST_FAILED);
-           return 0;
-           }
-
-       if (FIPS_module_mode() && !(rsa->flags & RSA_FLAG_NON_FIPS_ALLOW) 
-               && (bits < OPENSSL_RSA_FIPS_MIN_MODULUS_BITS))
-           {
-           FIPSerr(FIPS_F_RSA_BUILTIN_KEYGEN,FIPS_R_KEY_TOO_SHORT);
-           return 0;
-           }
-       if (!fips_check_rsa_prng(rsa, bits))
-           return 0;
-#endif
+       local_r0 = BN_new();
+       local_d = BN_new();
+       local_p = BN_new();
+       if(!local_r0 || !local_d || !local_p)
+               goto err;
 
        ctx=BN_CTX_new();
        if (ctx == NULL) goto err;
@@ -294,7 +177,7 @@ static int rsa_builtin_keygen(RSA *rsa, int bits, BIGNUM *e_value, BN_GENCB *cb)
        if (!BN_mul(r0,r1,r2,ctx)) goto err;    /* (p-1)(q-1) */
        if (!(rsa->flags & RSA_FLAG_NO_CONSTTIME))
                {
-                 pr0 = &local_r0;
+                 pr0 = local_r0;
                  BN_with_flags(pr0, r0, BN_FLG_CONSTTIME);
                }
        else
@@ -304,7 +187,7 @@ static int rsa_builtin_keygen(RSA *rsa, int bits, BIGNUM *e_value, BN_GENCB *cb)
        /* set up d for correct BN_FLG_CONSTTIME flag */
        if (!(rsa->flags & RSA_FLAG_NO_CONSTTIME))
                {
-               d = &local_d;
+               d = local_d;
                BN_with_flags(d, rsa->d, BN_FLG_CONSTTIME);
                }
        else
@@ -319,20 +202,18 @@ static int rsa_builtin_keygen(RSA *rsa, int bits, BIGNUM *e_value, BN_GENCB *cb)
        /* calculate inverse of q mod p */
        if (!(rsa->flags & RSA_FLAG_NO_CONSTTIME))
                {
-               p = &local_p;
+               p = local_p;
                BN_with_flags(p, rsa->p, BN_FLG_CONSTTIME);
                }
        else
                p = rsa->p;
        if (!BN_mod_inverse(rsa->iqmp,rsa->q,p,ctx)) goto err;
 
-#ifdef OPENSSL_FIPS
-       if(!fips_check_rsa(rsa))
-           goto err;
-#endif
-
        ok=1;
 err:
+       if(local_r0) BN_free(local_r0);
+       if(local_d) BN_free(local_d);
+       if(local_p) BN_free(local_p);
        if (ok == -1)
                {
                RSAerr(RSA_F_RSA_BUILTIN_KEYGEN,ERR_LIB_BN);