src/libstrongswan/credentials/keys/public_key.c

   1 /*
   2  * Copyright (C) 2007 Martin Willi
   3  * Hochschule fuer Technik Rapperswil
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License as published by the
   7  * Free Software Foundation; either version 2 of the License, or (at your
   8  * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  12  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * for more details.
  14  */
  15
  16 #include <asn1/oid.h>
  17
  18 #include "public_key.h"
  19
  20 ENUM(key_type_names, KEY_RSA, KEY_DSA,
  21         "RSA",
  22         "ECDSA",
  23         "DSA"
  24 );
  25
  26 ENUM(signature_scheme_names, SIGN_UNKNOWN, SIGN_ECDSA_521,
  27         "UNKNOWN",
  28         "RSA_EMSA_PKCS1_NULL",
  29         "RSA_EMSA_PKCS1_MD5",
  30         "RSA_EMSA_PKCS1_SHA1",
  31         "RSA_EMSA_PKCS1_SHA224",
  32         "RSA_EMSA_PKCS1_SHA256",
  33         "RSA_EMSA_PKCS1_SHA384",
  34         "RSA_EMSA_PKCS1_SHA512",
  35         "ECDSA_WITH_SHA1_DER",
  36         "ECDSA_WITH_SHA256_DER",
  37         "ECDSA_WITH_SHA384_DER",
  38         "ECDSA_WITH_SHA512_DER",
  39         "ECDSA_WITH_NULL",
  40         "ECDSA-256",
  41         "ECDSA-384",
  42         "ECDSA-521",
  43 );
  44
  45 /**
  46  * See header.
  47  */
  48 bool public_key_equals(public_key_t *this, public_key_t *other)
  49 {
  50         key_encoding_type_t type;
  51         chunk_t a, b;
  52
  53         if (this == other)
  54         {
  55                 return TRUE;
  56         }
  57
  58         for (type = 0; type < KEY_ENCODING_MAX; type++)
  59         {
  60                 if (this->get_fingerprint(this, type, &a) &&
  61                         other->get_fingerprint(other, type, &b))
  62                 {
  63                         return chunk_equals(a, b);
  64                 }
  65         }
  66         return FALSE;
  67 }
  68
  69 /*
  70  * Defined in header.
  71  */
  72 signature_scheme_t signature_scheme_from_oid(int oid)
  73 {
  74         switch (oid)
  75         {
  76                 case OID_MD5_WITH_RSA:
  77                 case OID_MD5:
  78                         return SIGN_RSA_EMSA_PKCS1_MD5;
  79                 case OID_SHA1_WITH_RSA:
  80                 case OID_SHA1:
  81                         return SIGN_RSA_EMSA_PKCS1_SHA1;
  82                 case OID_SHA224_WITH_RSA:
  83                 case OID_SHA224:
  84                         return SIGN_RSA_EMSA_PKCS1_SHA224;
  85                 case OID_SHA256_WITH_RSA:
  86                 case OID_SHA256:
  87                         return SIGN_RSA_EMSA_PKCS1_SHA256;
  88                 case OID_SHA384_WITH_RSA:
  89                 case OID_SHA384:
  90                         return SIGN_RSA_EMSA_PKCS1_SHA384;
  91                 case OID_SHA512_WITH_RSA:
  92                 case OID_SHA512:
  93                         return SIGN_RSA_EMSA_PKCS1_SHA512;
  94                 case OID_ECDSA_WITH_SHA1:
  95                 case OID_EC_PUBLICKEY:
  96                         return SIGN_ECDSA_WITH_SHA1_DER;
  97                 case OID_ECDSA_WITH_SHA256:
  98                         return SIGN_ECDSA_WITH_SHA256_DER;
  99                 case OID_ECDSA_WITH_SHA384:
 100                         return SIGN_ECDSA_WITH_SHA384_DER;
 101                 case OID_ECDSA_WITH_SHA512:
 102                         return SIGN_ECDSA_WITH_SHA512_DER;
 103                 default:
 104                         return SIGN_UNKNOWN;
 105         }
 106 }
 107