protect BN_BLINDING_invert with a write lock and BN_BLINDING_convert
[openssl.git] / crypto / rsa / rsa_eay.c
index 620ac55..56da944 100644 (file)
@@ -283,9 +283,9 @@ static int rsa_blinding_convert(BN_BLINDING *b, int local, BIGNUM *f,
        else
                {
                int ret;
-               CRYPTO_w_lock(CRYPTO_LOCK_RSA_BLINDING);
+               CRYPTO_r_lock(CRYPTO_LOCK_RSA_BLINDING);
                ret = BN_BLINDING_convert_ex(f, r, b, ctx);
-               CRYPTO_w_unlock(CRYPTO_LOCK_RSA_BLINDING);
+               CRYPTO_r_unlock(CRYPTO_LOCK_RSA_BLINDING);
                return ret;
                }
 }
@@ -298,9 +298,9 @@ static int rsa_blinding_invert(BN_BLINDING *b, int local, BIGNUM *f,
        else
                {
                int ret;
-               CRYPTO_r_lock(CRYPTO_LOCK_RSA_BLINDING);
+               CRYPTO_w_lock(CRYPTO_LOCK_RSA_BLINDING);
                ret = BN_BLINDING_invert_ex(f, r, b, ctx);
-               CRYPTO_r_unlock(CRYPTO_LOCK_RSA_BLINDING);
+               CRYPTO_w_unlock(CRYPTO_LOCK_RSA_BLINDING);
                return ret;
                }
 }