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