X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fevp%2Fp_lib.c;h=653693e1dce0de1f356d349d25233f6a9fc9f8c3;hp=073d2df8884db3f67d9e3e3e8c8b78546ecb7ae0;hb=4cae07fef3b24bee1646f6085c52175ef3755d5b;hpb=0bcc8ec9d386bc067410f169682cef6b5da4455b;ds=sidebyside

diff --git a/crypto/evp/p_lib.c b/crypto/evp/p_lib.c
index 073d2df888..653693e1dc 100644
--- a/crypto/evp/p_lib.c
+++ b/crypto/evp/p_lib.c
@@ -1,7 +1,7 @@
 /*
- * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 1995-2018 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
@@ -42,7 +42,7 @@ int EVP_PKEY_security_bits(const EVP_PKEY *pkey)
     return pkey->ameth->pkey_security_bits(pkey);
 }
 
-int EVP_PKEY_size(EVP_PKEY *pkey)
+int EVP_PKEY_size(const EVP_PKEY *pkey)
 {
     if (pkey && pkey->ameth && pkey->ameth->pkey_size)
         return pkey->ameth->pkey_size(pkey);
@@ -220,9 +220,9 @@ static int pkey_set_type(EVP_PKEY *pkey, ENGINE *e, int type, const char *str,
     return 1;
 }
 
-EVP_PKEY *EVP_PKEY_new_private_key(int type, ENGINE *e,
-                                   const unsigned char *priv,
-                                   size_t len)
+EVP_PKEY *EVP_PKEY_new_raw_private_key(int type, ENGINE *e,
+                                       const unsigned char *priv,
+                                       size_t len)
 {
     EVP_PKEY *ret = EVP_PKEY_new();
 
@@ -233,13 +233,13 @@ EVP_PKEY *EVP_PKEY_new_private_key(int type, ENGINE *e,
     }
 
     if (ret->ameth->set_priv_key == NULL) {
-        EVPerr(EVP_F_EVP_PKEY_NEW_PRIVATE_KEY,
+        EVPerr(EVP_F_EVP_PKEY_NEW_RAW_PRIVATE_KEY,
                EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
         goto err;
     }
 
     if (!ret->ameth->set_priv_key(ret, priv, len)) {
-        EVPerr(EVP_F_EVP_PKEY_NEW_PRIVATE_KEY, EVP_R_KEY_SETUP_FAILED);
+        EVPerr(EVP_F_EVP_PKEY_NEW_RAW_PRIVATE_KEY, EVP_R_KEY_SETUP_FAILED);
         goto err;
     }
 
@@ -250,9 +250,9 @@ EVP_PKEY *EVP_PKEY_new_private_key(int type, ENGINE *e,
     return NULL;
 }
 
-EVP_PKEY *EVP_PKEY_new_public_key(int type, ENGINE *e,
-                                  const unsigned char *pub,
-                                  size_t len)
+EVP_PKEY *EVP_PKEY_new_raw_public_key(int type, ENGINE *e,
+                                      const unsigned char *pub,
+                                      size_t len)
 {
     EVP_PKEY *ret = EVP_PKEY_new();
 
@@ -263,13 +263,13 @@ EVP_PKEY *EVP_PKEY_new_public_key(int type, ENGINE *e,
     }
 
     if (ret->ameth->set_pub_key == NULL) {
-        EVPerr(EVP_F_EVP_PKEY_NEW_PUBLIC_KEY,
+        EVPerr(EVP_F_EVP_PKEY_NEW_RAW_PUBLIC_KEY,
                EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
         goto err;
     }
 
     if (!ret->ameth->set_pub_key(ret, pub, len)) {
-        EVPerr(EVP_F_EVP_PKEY_NEW_PUBLIC_KEY, EVP_R_KEY_SETUP_FAILED);
+        EVPerr(EVP_F_EVP_PKEY_NEW_RAW_PUBLIC_KEY, EVP_R_KEY_SETUP_FAILED);
         goto err;
     }
 
@@ -280,11 +280,46 @@ EVP_PKEY *EVP_PKEY_new_public_key(int type, ENGINE *e,
     return NULL;
 }
 
+int EVP_PKEY_get_raw_private_key(const EVP_PKEY *pkey, unsigned char *priv,
+                                 size_t *len)
+{
+     if (pkey->ameth->get_priv_key == NULL) {
+        EVPerr(EVP_F_EVP_PKEY_GET_RAW_PRIVATE_KEY,
+               EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
+        return 0;
+    }
+
+    if (!pkey->ameth->get_priv_key(pkey, priv, len)) {
+        EVPerr(EVP_F_EVP_PKEY_GET_RAW_PRIVATE_KEY, EVP_R_GET_RAW_KEY_FAILED);
+        return 0;
+    }
+
+    return 1;
+}
+
+int EVP_PKEY_get_raw_public_key(const EVP_PKEY *pkey, unsigned char *pub,
+                                size_t *len)
+{
+     if (pkey->ameth->get_pub_key == NULL) {
+        EVPerr(EVP_F_EVP_PKEY_GET_RAW_PUBLIC_KEY,
+               EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
+        return 0;
+    }
+
+    if (!pkey->ameth->get_pub_key(pkey, pub, len)) {
+        EVPerr(EVP_F_EVP_PKEY_GET_RAW_PUBLIC_KEY, EVP_R_GET_RAW_KEY_FAILED);
+        return 0;
+    }
+
+    return 1;
+}
+
 EVP_PKEY *EVP_PKEY_new_CMAC_key(ENGINE *e, const unsigned char *priv,
                                 size_t len, const EVP_CIPHER *cipher)
 {
+#ifndef OPENSSL_NO_CMAC
     EVP_PKEY *ret = EVP_PKEY_new();
-    CMAC_CTX *cmctx = CMAC_CTX_new();
+    EVP_MAC_CTX *cmctx = EVP_MAC_CTX_new_id(EVP_MAC_CMAC);
 
     if (ret == NULL
             || cmctx == NULL
@@ -293,7 +328,9 @@ EVP_PKEY *EVP_PKEY_new_CMAC_key(ENGINE *e, const unsigned char *priv,
         goto err;
     }
 
-    if (!CMAC_Init(cmctx, priv, len, cipher, e)) {
+    if (EVP_MAC_ctrl(cmctx, EVP_MAC_CTRL_SET_ENGINE, e) <= 0
+        || EVP_MAC_ctrl(cmctx, EVP_MAC_CTRL_SET_CIPHER, cipher) <= 0
+        || EVP_MAC_ctrl(cmctx, EVP_MAC_CTRL_SET_KEY, priv, len) <= 0) {
         EVPerr(EVP_F_EVP_PKEY_NEW_CMAC_KEY, EVP_R_KEY_SETUP_FAILED);
         goto err;
     }
@@ -303,9 +340,13 @@ EVP_PKEY *EVP_PKEY_new_CMAC_key(ENGINE *e, const unsigned char *priv,
 
  err:
     EVP_PKEY_free(ret);
-    CMAC_CTX_free(cmctx);
+    EVP_MAC_CTX_free(cmctx);
     return NULL;
-
+#else
+    EVPerr(EVP_F_EVP_PKEY_NEW_CMAC_KEY,
+           EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE);
+    return NULL;
+#endif
 }
 
 int EVP_PKEY_set_type(EVP_PKEY *pkey, int type)
@@ -317,6 +358,26 @@ int EVP_PKEY_set_type_str(EVP_PKEY *pkey, const char *str, int len)
 {
     return pkey_set_type(pkey, NULL, EVP_PKEY_NONE, str, len);
 }
+
+int EVP_PKEY_set_alias_type(EVP_PKEY *pkey, int type)
+{
+    if (pkey->type == type) {
+        return 1; /* it already is that type */
+    }
+
+    /*
+     * The application is requesting to alias this to a different pkey type,
+     * but not one that resolves to the base type.
+     */
+    if (EVP_PKEY_type(type) != EVP_PKEY_base_id(pkey)) {
+        EVPerr(EVP_F_EVP_PKEY_SET_ALIAS_TYPE, EVP_R_UNSUPPORTED_ALGORITHM);
+        return 0;
+    }
+
+    pkey->type = type;
+    return 1;
+}
+
 #ifndef OPENSSL_NO_ENGINE
 int EVP_PKEY_set1_engine(EVP_PKEY *pkey, ENGINE *e)
 {
@@ -335,6 +396,11 @@ int EVP_PKEY_set1_engine(EVP_PKEY *pkey, ENGINE *e)
     pkey->pmeth_engine = e;
     return 1;
 }
+
+ENGINE *EVP_PKEY_get0_engine(const EVP_PKEY *pkey)
+{
+    return pkey->engine;
+}
 #endif
 int EVP_PKEY_assign(EVP_PKEY *pkey, int type, void *key)
 {
@@ -399,7 +465,7 @@ int EVP_PKEY_set1_RSA(EVP_PKEY *pkey, RSA *key)
     return ret;
 }
 
-RSA *EVP_PKEY_get0_RSA(EVP_PKEY *pkey)
+RSA *EVP_PKEY_get0_RSA(const EVP_PKEY *pkey)
 {
     if (pkey->type != EVP_PKEY_RSA) {
         EVPerr(EVP_F_EVP_PKEY_GET0_RSA, EVP_R_EXPECTING_AN_RSA_KEY);
@@ -426,7 +492,7 @@ int EVP_PKEY_set1_DSA(EVP_PKEY *pkey, DSA *key)
     return ret;
 }
 
-DSA *EVP_PKEY_get0_DSA(EVP_PKEY *pkey)
+DSA *EVP_PKEY_get0_DSA(const EVP_PKEY *pkey)
 {
     if (pkey->type != EVP_PKEY_DSA) {
         EVPerr(EVP_F_EVP_PKEY_GET0_DSA, EVP_R_EXPECTING_A_DSA_KEY);
@@ -454,7 +520,7 @@ int EVP_PKEY_set1_EC_KEY(EVP_PKEY *pkey, EC_KEY *key)
     return ret;
 }
 
-EC_KEY *EVP_PKEY_get0_EC_KEY(EVP_PKEY *pkey)
+EC_KEY *EVP_PKEY_get0_EC_KEY(const EVP_PKEY *pkey)
 {
     if (pkey->type != EVP_PKEY_EC) {
         EVPerr(EVP_F_EVP_PKEY_GET0_EC_KEY, EVP_R_EXPECTING_A_EC_KEY);
@@ -482,7 +548,7 @@ int EVP_PKEY_set1_DH(EVP_PKEY *pkey, DH *key)
     return ret;
 }
 
-DH *EVP_PKEY_get0_DH(EVP_PKEY *pkey)
+DH *EVP_PKEY_get0_DH(const EVP_PKEY *pkey)
 {
     if (pkey->type != EVP_PKEY_DH && pkey->type != EVP_PKEY_DHX) {
         EVPerr(EVP_F_EVP_PKEY_GET0_DH, EVP_R_EXPECTING_A_DH_KEY);
@@ -547,6 +613,9 @@ void EVP_PKEY_free(EVP_PKEY *x)
 static void EVP_PKEY_free_it(EVP_PKEY *x)
 {
     /* internal function; x is never NULL */
+
+    evp_keymgmt_clear_pkey_cache(x);
+
     if (x->ameth && x->ameth->pkey_free) {
         x->ameth->pkey_free(x);
         x->pkey.ptr = NULL;
@@ -606,6 +675,26 @@ int EVP_PKEY_get_default_digest_nid(EVP_PKEY *pkey, int *pnid)
     return evp_pkey_asn1_ctrl(pkey, ASN1_PKEY_CTRL_DEFAULT_MD_NID, 0, pnid);
 }
 
+int EVP_PKEY_supports_digest_nid(EVP_PKEY *pkey, int nid)
+{
+    int rv, default_nid;
+
+    rv = evp_pkey_asn1_ctrl(pkey, ASN1_PKEY_CTRL_SUPPORTS_MD_NID, nid, NULL);
+    if (rv == -2) {
+        /*
+         * If there is a mandatory default digest and this isn't it, then
+         * the answer is 'no'.
+         */
+        rv = EVP_PKEY_get_default_digest_nid(pkey, &default_nid);
+        if (rv == 2)
+            return (nid == default_nid);
+        /* zero is an error from EVP_PKEY_get_default_digest_nid() */
+        if (rv == 0)
+            return -1;
+    }
+    return rv;
+}
+
 int EVP_PKEY_set1_tls_encodedpoint(EVP_PKEY *pkey,
                                const unsigned char *pt, size_t ptlen)
 {