corrade-nucleus-nucleons – Blame information for rev 26

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22 office 1 /**
2 * Javascript implementation of a basic Public Key Infrastructure, including
3 * support for RSA public and private keys.
4 *
5 * @author Dave Longley
6 *
7 * Copyright (c) 2010-2013 Digital Bazaar, Inc.
8 */
9 var forge = require('./forge');
10 require('./asn1');
11 require('./oids');
12 require('./pbe');
13 require('./pem');
14 require('./pbkdf2');
15 require('./pkcs12');
16 require('./pss');
17 require('./rsa');
18 require('./util');
19 require('./x509');
20  
21 // shortcut for asn.1 API
22 var asn1 = forge.asn1;
23  
24 /* Public Key Infrastructure (PKI) implementation. */
25 var pki = module.exports = forge.pki = forge.pki || {};
26  
27 /**
28 * NOTE: THIS METHOD IS DEPRECATED. Use pem.decode() instead.
29 *
30 * Converts PEM-formatted data to DER.
31 *
32 * @param pem the PEM-formatted data.
33 *
34 * @return the DER-formatted data.
35 */
36 pki.pemToDer = function(pem) {
37 var msg = forge.pem.decode(pem)[0];
38 if(msg.procType && msg.procType.type === 'ENCRYPTED') {
39 throw new Error('Could not convert PEM to DER; PEM is encrypted.');
40 }
41 return forge.util.createBuffer(msg.body);
42 };
43  
44 /**
45 * Converts an RSA private key from PEM format.
46 *
47 * @param pem the PEM-formatted private key.
48 *
49 * @return the private key.
50 */
51 pki.privateKeyFromPem = function(pem) {
52 var msg = forge.pem.decode(pem)[0];
53  
54 if(msg.type !== 'PRIVATE KEY' && msg.type !== 'RSA PRIVATE KEY') {
55 var error = new Error('Could not convert private key from PEM; PEM ' +
56 'header type is not "PRIVATE KEY" or "RSA PRIVATE KEY".');
57 error.headerType = msg.type;
58 throw error;
59 }
60 if(msg.procType && msg.procType.type === 'ENCRYPTED') {
61 throw new Error('Could not convert private key from PEM; PEM is encrypted.');
62 }
63  
64 // convert DER to ASN.1 object
65 var obj = asn1.fromDer(msg.body);
66  
67 return pki.privateKeyFromAsn1(obj);
68 };
69  
70 /**
71 * Converts an RSA private key to PEM format.
72 *
73 * @param key the private key.
74 * @param maxline the maximum characters per line, defaults to 64.
75 *
76 * @return the PEM-formatted private key.
77 */
78 pki.privateKeyToPem = function(key, maxline) {
79 // convert to ASN.1, then DER, then PEM-encode
80 var msg = {
81 type: 'RSA PRIVATE KEY',
82 body: asn1.toDer(pki.privateKeyToAsn1(key)).getBytes()
83 };
84 return forge.pem.encode(msg, {maxline: maxline});
85 };
86  
87 /**
88 * Converts a PrivateKeyInfo to PEM format.
89 *
90 * @param pki the PrivateKeyInfo.
91 * @param maxline the maximum characters per line, defaults to 64.
92 *
93 * @return the PEM-formatted private key.
94 */
95 pki.privateKeyInfoToPem = function(pki, maxline) {
96 // convert to DER, then PEM-encode
97 var msg = {
98 type: 'PRIVATE KEY',
99 body: asn1.toDer(pki).getBytes()
100 };
101 return forge.pem.encode(msg, {maxline: maxline});
102 };