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//
// rsa-pem.js - adding function for reading/writing PKCS#1 PEM private key
// to RSAKey class.
//
// version: 1.0 (2010-Jun-03)
//
// Copyright (c) 2010 Kenji Urushima (kenji.urushima@gmail.com)
//
// This software is licensed under the terms of the MIT License.
// http://www.opensource.org/licenses/mit-license.php
//
// The above copyright and license notice shall be
// included in all copies or substantial portions of the Software.
//
//
// Depends on:
//
//
//
// _RSApem_pemToBase64(sPEM)
//
// removing PEM header, PEM footer and space characters including
// new lines from PEM formatted RSA private key string.
//
function _rsapem_pemToBase64(sPEMPrivateKey) {
var s = sPEMPrivateKey;
s = s.replace("-----BEGIN RSA PRIVATE KEY-----", "");
s = s.replace("-----END RSA PRIVATE KEY-----", "");
s = s.replace(/[ \n]+/g, "");
return s;
}
function _rsapem_getPosArrayOfChildrenFromHex(hPrivateKey) {
var a = new Array();
var v1 = _asnhex_getStartPosOfV_AtObj(hPrivateKey, 0);
var n1 = _asnhex_getPosOfNextSibling_AtObj(hPrivateKey, v1);
var e1 = _asnhex_getPosOfNextSibling_AtObj(hPrivateKey, n1);
var d1 = _asnhex_getPosOfNextSibling_AtObj(hPrivateKey, e1);
var p1 = _asnhex_getPosOfNextSibling_AtObj(hPrivateKey, d1);
var q1 = _asnhex_getPosOfNextSibling_AtObj(hPrivateKey, p1);
var dp1 = _asnhex_getPosOfNextSibling_AtObj(hPrivateKey, q1);
var dq1 = _asnhex_getPosOfNextSibling_AtObj(hPrivateKey, dp1);
var co1 = _asnhex_getPosOfNextSibling_AtObj(hPrivateKey, dq1);
a.push(v1, n1, e1, d1, p1, q1, dp1, dq1, co1);
return a;
}
function _rsapem_getHexValueArrayOfChildrenFromHex(hPrivateKey) {
var posArray = _rsapem_getPosArrayOfChildrenFromHex(hPrivateKey);
var v = _asnhex_getHexOfV_AtObj(hPrivateKey, posArray[0]);
var n = _asnhex_getHexOfV_AtObj(hPrivateKey, posArray[1]);
var e = _asnhex_getHexOfV_AtObj(hPrivateKey, posArray[2]);
var d = _asnhex_getHexOfV_AtObj(hPrivateKey, posArray[3]);
var p = _asnhex_getHexOfV_AtObj(hPrivateKey, posArray[4]);
var q = _asnhex_getHexOfV_AtObj(hPrivateKey, posArray[5]);
var dp = _asnhex_getHexOfV_AtObj(hPrivateKey, posArray[6]);
var dq = _asnhex_getHexOfV_AtObj(hPrivateKey, posArray[7]);
var co = _asnhex_getHexOfV_AtObj(hPrivateKey, posArray[8]);
var a = new Array();
a.push(v, n, e, d, p, q, dp, dq, co);
return a;
}
function _rsapem_readPrivateKeyFromPEMString(keyPEM) {
var keyB64 = _rsapem_pemToBase64(keyPEM);
var keyHex = b64tohex(keyB64) // depends base64.js
var a = _rsapem_getHexValueArrayOfChildrenFromHex(keyHex);
this.setPrivateEx(a[1],a[2],a[3],a[4],a[5],a[6],a[7],a[8]);
}
RSAKey.prototype.readPrivateKeyFromPEMString = _rsapem_readPrivateKeyFromPEMString;
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