Latest update.

crypto/rsa/rsa_sp800_56b_check.c

@@ -237,13 +237,17 @@ int rsa_get_lcm(BN_CTX *ctx, const BIGNUM *p, const BIGNUM *q,
  */
 int rsa_sp800_56b_check_public(const RSA *rsa)
 {
-    int ret = 0, nbits, status;
+    int ret = 0, status;
+#ifdef FIPS_MODE
+    int nbits;
+#endif
     BN_CTX *ctx = NULL;
     BIGNUM *gcd = NULL;
 
     if (rsa->n == NULL || rsa->e == NULL)
         return 0;
 
+#ifdef FIPS_MODE
     /*
      * (Step a): modulus must be 2048 or 3072 (caveat from SP800-56Br1)
      * NOTE: changed to allow keys >= 2048
@@ -253,11 +257,11 @@ int rsa_sp800_56b_check_public(const RSA *rsa)
         RSAerr(RSA_F_RSA_SP800_56B_CHECK_PUBLIC, RSA_R_INVALID_KEY_LENGTH);
         return 0;
     }
+#endif
     if (!BN_is_odd(rsa->n)) {
         RSAerr(RSA_F_RSA_SP800_56B_CHECK_PUBLIC, RSA_R_INVALID_MODULUS);
         return 0;
     }
-
     /* (Steps b-c): 2^16 < e < 2^256, n and e must be odd */
     if (!rsa_check_public_exponent(rsa->e)) {
         RSAerr(RSA_F_RSA_SP800_56B_CHECK_PUBLIC,