1 /*
2 * X.509 Public Key
3 * (C) 1999-2010 Jack Lloyd
4 *
5 * Botan is released under the Simplified BSD License (see license.txt)
6 */
7 
8 #ifndef BOTAN_X509_PUBLIC_KEY_H_
9 #define BOTAN_X509_PUBLIC_KEY_H_
10 
11 #include <botan/pk_keys.h>
12 #include <botan/types.h>
13 #include <string>
14 #include <vector>
15 
16 namespace Botan {
17 
18 class RandomNumberGenerator;
19 class DataSource;
20 
21 /**
22 * The two types of X509 encoding supported by Botan.
23 * This enum is not used anymore, and will be removed in a future major release.
24 */
25 enum X509_Encoding { RAW_BER, PEM };
26 
27 /**
28 * This namespace contains functions for handling X.509 public keys
29 */
30 namespace X509 {
31 
32 /**
33 * BER encode a key
34 * @param key the public key to encode
35 * @return BER encoding of this key
36 */
37 BOTAN_PUBLIC_API(2,0) std::vector<uint8_t> BER_encode(const Public_Key& key);
38 
39 /**
40 * PEM encode a public key into a string.
41 * @param key the key to encode
42 * @return PEM encoded key
43 */
44 BOTAN_PUBLIC_API(2,0) std::string PEM_encode(const Public_Key& key);
45 
46 /**
47 * Create a public key from a data source.
48 * @param source the source providing the DER or PEM encoded key
49 * @return new public key object
50 */
51 BOTAN_PUBLIC_API(2,0) Public_Key* load_key(DataSource& source);
52 
53 #if defined(BOTAN_TARGET_OS_HAS_FILESYSTEM)
54 /**
55 * Create a public key from a file
56 * @param filename pathname to the file to load
57 * @return new public key object
58 */
59 BOTAN_PUBLIC_API(2,0) Public_Key* load_key(const std::string& filename);
60 #endif
61 
62 /**
63 * Create a public key from a memory region.
64 * @param enc the memory region containing the DER or PEM encoded key
65 * @return new public key object
66 */
67 BOTAN_PUBLIC_API(2,0) Public_Key* load_key(const std::vector<uint8_t>& enc);
68 
69 /**
70 * Copy a key.
71 * @param key the public key to copy
72 * @return new public key object
73 */
74 BOTAN_PUBLIC_API(2,0) Public_Key* copy_key(const Public_Key& key);
75 
76 }
77 
78 }
79 
80 #endif
81