Imported OpenSSL 1.1.1a

crypto/x509/x509type.c

@@ -0,0 +1,84 @@
+/*
+ * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (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
+ */
+
+#include <stdio.h>
+#include "internal/cryptlib.h"
+#include <openssl/evp.h>
+#include <openssl/objects.h>
+#include <openssl/x509.h>
+
+int X509_certificate_type(const X509 *x, const EVP_PKEY *pkey)
+{
+    const EVP_PKEY *pk;
+    int ret = 0, i;
+
+    if (x == NULL)
+        return 0;
+
+    if (pkey == NULL)
+        pk = X509_get0_pubkey(x);
+    else
+        pk = pkey;
+
+    if (pk == NULL)
+        return 0;
+
+    switch (EVP_PKEY_id(pk)) {
+    case EVP_PKEY_RSA:
+        ret = EVP_PK_RSA | EVP_PKT_SIGN;
+/*              if (!sign only extension) */
+        ret |= EVP_PKT_ENC;
+        break;
+    case EVP_PKEY_RSA_PSS:
+        ret = EVP_PK_RSA | EVP_PKT_SIGN;
+        break;
+    case EVP_PKEY_DSA:
+        ret = EVP_PK_DSA | EVP_PKT_SIGN;
+        break;
+    case EVP_PKEY_EC:
+        ret = EVP_PK_EC | EVP_PKT_SIGN | EVP_PKT_EXCH;
+        break;
+    case EVP_PKEY_ED448:
+    case EVP_PKEY_ED25519:
+        ret = EVP_PKT_SIGN;
+        break;
+    case EVP_PKEY_DH:
+        ret = EVP_PK_DH | EVP_PKT_EXCH;
+        break;
+    case NID_id_GostR3410_2001:
+    case NID_id_GostR3410_2012_256:
+    case NID_id_GostR3410_2012_512:
+        ret = EVP_PKT_EXCH | EVP_PKT_SIGN;
+        break;
+    default:
+        break;
+    }
+
+    i = X509_get_signature_nid(x);
+    if (i && OBJ_find_sigid_algs(i, NULL, &i)) {
+
+        switch (i) {
+        case NID_rsaEncryption:
+        case NID_rsa:
+            ret |= EVP_PKS_RSA;
+            break;
+        case NID_dsa:
+        case NID_dsa_2:
+            ret |= EVP_PKS_DSA;
+            break;
+        case NID_X9_62_id_ecPublicKey:
+            ret |= EVP_PKS_EC;
+            break;
+        default:
+            break;
+        }
+    }
+
+    return ret;
+}