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					103 lines
				
				2.6 KiB
			
		
		
			
		
	
	
					103 lines
				
				2.6 KiB
			| 
											2 years ago
										 | /** | ||
|  |  * Javascript implementation of a basic Public Key Infrastructure, including | ||
|  |  * support for RSA public and private keys. | ||
|  |  * | ||
|  |  * @author Dave Longley | ||
|  |  * | ||
|  |  * Copyright (c) 2010-2013 Digital Bazaar, Inc. | ||
|  |  */ | ||
|  | var forge = require('./forge'); | ||
|  | require('./asn1'); | ||
|  | require('./oids'); | ||
|  | require('./pbe'); | ||
|  | require('./pem'); | ||
|  | require('./pbkdf2'); | ||
|  | require('./pkcs12'); | ||
|  | require('./pss'); | ||
|  | require('./rsa'); | ||
|  | require('./util'); | ||
|  | require('./x509'); | ||
|  | 
 | ||
|  | // shortcut for asn.1 API
 | ||
|  | var asn1 = forge.asn1; | ||
|  | 
 | ||
|  | /* Public Key Infrastructure (PKI) implementation. */ | ||
|  | var pki = module.exports = forge.pki = forge.pki || {}; | ||
|  | 
 | ||
|  | /** | ||
|  |  * NOTE: THIS METHOD IS DEPRECATED. Use pem.decode() instead. | ||
|  |  * | ||
|  |  * Converts PEM-formatted data to DER. | ||
|  |  * | ||
|  |  * @param pem the PEM-formatted data. | ||
|  |  * | ||
|  |  * @return the DER-formatted data. | ||
|  |  */ | ||
|  | pki.pemToDer = function(pem) { | ||
|  |   var msg = forge.pem.decode(pem)[0]; | ||
|  |   if(msg.procType && msg.procType.type === 'ENCRYPTED') { | ||
|  |     throw new Error('Could not convert PEM to DER; PEM is encrypted.'); | ||
|  |   } | ||
|  |   return forge.util.createBuffer(msg.body); | ||
|  | }; | ||
|  | 
 | ||
|  | /** | ||
|  |  * Converts an RSA private key from PEM format. | ||
|  |  * | ||
|  |  * @param pem the PEM-formatted private key. | ||
|  |  * | ||
|  |  * @return the private key. | ||
|  |  */ | ||
|  | pki.privateKeyFromPem = function(pem) { | ||
|  |   var msg = forge.pem.decode(pem)[0]; | ||
|  | 
 | ||
|  |   if(msg.type !== 'PRIVATE KEY' && msg.type !== 'RSA PRIVATE KEY') { | ||
|  |     var error = new Error('Could not convert private key from PEM; PEM ' + | ||
|  |       'header type is not "PRIVATE KEY" or "RSA PRIVATE KEY".'); | ||
|  |     error.headerType = msg.type; | ||
|  |     throw error; | ||
|  |   } | ||
|  |   if(msg.procType && msg.procType.type === 'ENCRYPTED') { | ||
|  |     throw new Error('Could not convert private key from PEM; PEM is encrypted.'); | ||
|  |   } | ||
|  | 
 | ||
|  |   // convert DER to ASN.1 object
 | ||
|  |   var obj = asn1.fromDer(msg.body); | ||
|  | 
 | ||
|  |   return pki.privateKeyFromAsn1(obj); | ||
|  | }; | ||
|  | 
 | ||
|  | /** | ||
|  |  * Converts an RSA private key to PEM format. | ||
|  |  * | ||
|  |  * @param key the private key. | ||
|  |  * @param maxline the maximum characters per line, defaults to 64. | ||
|  |  * | ||
|  |  * @return the PEM-formatted private key. | ||
|  |  */ | ||
|  | pki.privateKeyToPem = function(key, maxline) { | ||
|  |   // convert to ASN.1, then DER, then PEM-encode
 | ||
|  |   var msg = { | ||
|  |     type: 'RSA PRIVATE KEY', | ||
|  |     body: asn1.toDer(pki.privateKeyToAsn1(key)).getBytes() | ||
|  |   }; | ||
|  |   return forge.pem.encode(msg, {maxline: maxline}); | ||
|  | }; | ||
|  | 
 | ||
|  | /** | ||
|  |  * Converts a PrivateKeyInfo to PEM format. | ||
|  |  * | ||
|  |  * @param pki the PrivateKeyInfo. | ||
|  |  * @param maxline the maximum characters per line, defaults to 64. | ||
|  |  * | ||
|  |  * @return the PEM-formatted private key. | ||
|  |  */ | ||
|  | pki.privateKeyInfoToPem = function(pki, maxline) { | ||
|  |   // convert to DER, then PEM-encode
 | ||
|  |   var msg = { | ||
|  |     type: 'PRIVATE KEY', | ||
|  |     body: asn1.toDer(pki).getBytes() | ||
|  |   }; | ||
|  |   return forge.pem.encode(msg, {maxline: maxline}); | ||
|  | }; |