diff -ruN origin/lib/rsa/rsa-sign.c ok/lib/rsa/rsa-sign.c
--- origin/lib/rsa/rsa-sign.c	2018-07-02 13:44:23.368200000 +0800
+++ ok/lib/rsa/rsa-sign.c	2018-07-02 13:49:21.079383927 +0800
@@ -229,7 +229,8 @@
 		ret = rsa_err("Could not obtain signature");
 		goto err_sign;
 	}
-	EVP_MD_CTX_cleanup(context);
+	
+	EVP_MD_CTX_reset(context);
 	EVP_MD_CTX_destroy(context);
 	EVP_PKEY_free(key);
 
@@ -319,24 +320,25 @@
 	int ret;
 	BIGNUM *bn_te;
 	uint64_t te;
+    const BIGNUM *rsa_e;
 
 	ret = -EINVAL;
 	bn_te = NULL;
 
 	if (!e)
 		goto cleanup;
-
-	if (BN_num_bits(key->e) > 64)
+	RSA_get0_key(key, NULL, &rsa_e, NULL);
+	if (BN_num_bits(rsa_e) > 64)
 		goto cleanup;
 
-	*e = BN_get_word(key->e);
+	*e = BN_get_word(rsa_e);
 
-	if (BN_num_bits(key->e) < 33) {
+	if (BN_num_bits(rsa_e) < 33) {
 		ret = 0;
 		goto cleanup;
 	}
 
-	bn_te = BN_dup(key->e);
+	bn_te = BN_dup(rsa_e);
 	if (!bn_te)
 		goto cleanup;
 
@@ -367,6 +369,7 @@
 	BIGNUM *big1, *big2, *big64, *big2_64;
 	BIGNUM *n0, *n, *r, *r_squared, *tmp;
 	BN_CTX *bn_ctx = BN_CTX_new();
+	const BIGNUM *rsa_n;
 	int ret = 0;
 
 	/* Initialize BIGNUMs */
@@ -388,7 +391,8 @@
 	if (0 != rsa_get_exponent(key, exponent))
 		ret = -1;
 
-	if (!BN_copy(n, key->n) || !BN_set_word(big1, 1L) ||
+	RSA_get0_key(key, &rsa_n, NULL, NULL);
+	if (!BN_copy(n, rsa_n) || !BN_set_word(big1, 1L) ||
 	    !BN_set_word(big2, 2L) || !BN_set_word(big64, 64L))
 		ret = -1;