/*
- * Copyright 2006-2016 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2006-2018 The OpenSSL Project Authors. All Rights Reserved.
*
- * Licensed under the OpenSSL license (the "License"). You may not use
+ * Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
}
return 0;
+ default:
+ return -2;
+
+ }
+}
+
+static int ecd_ctrl(EVP_PKEY *pkey, int op, long arg1, void *arg2)
+{
+ switch (op) {
case ASN1_PKEY_CTRL_DEFAULT_MD_NID:
- *(int *)arg2 = NID_sha256;
+ /* We currently only support Pure EdDSA which takes no digest */
+ *(int *)arg2 = NID_undef;
return 2;
default:
}
}
+static int ecx_set_priv_key(EVP_PKEY *pkey, const unsigned char *priv,
+ size_t len)
+{
+ return ecx_key_op(pkey, pkey->ameth->pkey_id, NULL, priv, len,
+ KEY_OP_PRIVATE);
+}
+
+static int ecx_set_pub_key(EVP_PKEY *pkey, const unsigned char *pub, size_t len)
+{
+ return ecx_key_op(pkey, pkey->ameth->pkey_id, NULL, pub, len,
+ KEY_OP_PUBLIC);
+}
+
+static int ecx_get_priv_key(const EVP_PKEY *pkey, unsigned char *priv,
+ size_t *len)
+{
+ const ECX_KEY *key = pkey->pkey.ecx;
+
+ if (priv == NULL) {
+ *len = KEYLENID(pkey->ameth->pkey_id);
+ return 1;
+ }
+
+ if (key == NULL
+ || key->privkey == NULL
+ || *len < (size_t)KEYLENID(pkey->ameth->pkey_id))
+ return 0;
+
+ *len = KEYLENID(pkey->ameth->pkey_id);
+ memcpy(priv, key->privkey, *len);
+
+ return 1;
+}
+
+static int ecx_get_pub_key(const EVP_PKEY *pkey, unsigned char *pub,
+ size_t *len)
+{
+ const ECX_KEY *key = pkey->pkey.ecx;
+
+ if (pub == NULL) {
+ *len = KEYLENID(pkey->ameth->pkey_id);
+ return 1;
+ }
+
+ if (key == NULL
+ || *len < (size_t)KEYLENID(pkey->ameth->pkey_id))
+ return 0;
+
+ *len = KEYLENID(pkey->ameth->pkey_id);
+ memcpy(pub, key->pubkey, *len);
+
+ return 1;
+}
+
const EVP_PKEY_ASN1_METHOD ecx25519_asn1_meth = {
EVP_PKEY_X25519,
EVP_PKEY_X25519,
ecx_free,
ecx_ctrl,
NULL,
- NULL
+ NULL,
+
+ NULL,
+ NULL,
+ NULL,
+
+ NULL,
+ NULL,
+ NULL,
+
+ ecx_set_priv_key,
+ ecx_set_pub_key,
+ ecx_get_priv_key,
+ ecx_get_pub_key,
};
const EVP_PKEY_ASN1_METHOD ecx448_asn1_meth = {
ecx_free,
ecx_ctrl,
NULL,
- NULL
+ NULL,
+
+ NULL,
+ NULL,
+ NULL,
+
+ NULL,
+ NULL,
+ NULL,
+
+ ecx_set_priv_key,
+ ecx_set_pub_key,
+ ecx_get_priv_key,
+ ecx_get_pub_key,
};
static int ecd_size25519(const EVP_PKEY *pkey)
0, 0,
ecx_free,
- 0,
+ ecd_ctrl,
NULL,
NULL,
ecd_item_verify,
ecd_item_sign25519,
- ecd_sig_info_set25519
+ ecd_sig_info_set25519,
+
+ NULL,
+ NULL,
+ NULL,
+
+ ecx_set_priv_key,
+ ecx_set_pub_key,
+ ecx_get_priv_key,
+ ecx_get_pub_key,
};
const EVP_PKEY_ASN1_METHOD ed448_asn1_meth = {
0, 0,
ecx_free,
- 0,
+ ecd_ctrl,
NULL,
NULL,
ecd_item_verify,
ecd_item_sign448,
- ecd_sig_info_set448
+ ecd_sig_info_set448,
+
+ NULL,
+ NULL,
+ NULL,
+
+ ecx_set_priv_key,
+ ecx_set_pub_key,
+ ecx_get_priv_key,
+ ecx_get_pub_key,
};
static int pkey_ecx_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
switch (type) {
case EVP_PKEY_CTRL_MD:
/* Only NULL allowed as digest */
- if (p2 == NULL)
+ if (p2 == NULL || (const EVP_MD *)p2 == EVP_md_null())
return 1;
ECerr(EC_F_PKEY_ECD_CTRL, EC_R_INVALID_DIGEST_TYPE);
return 0;