50 lines
No EOL
1.3 KiB
JavaScript
50 lines
No EOL
1.3 KiB
JavaScript
var extractable = true;
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function wrap(text, len) {
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var length = len || 72, i, result = "";
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for(i=0; i < text.length; i += length) {
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result += text.slice(i, i + length) + "\n";
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}
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return result;
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}
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function rsaPrivateKey(key) {
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return "-----BEGIN RSA PRIVATE KEY-----\n" + key + "-----END RSA PRIVATE KEY-----";
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}
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function arrayBufferToBase64( buffer ) {
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var binary = '';
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var bytes = new Uint8Array( buffer );
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var len = bytes.byteLength;
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for (var i = 0; i < len; i++) {
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binary += String.fromCharCode( bytes[ i ] );
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}
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return window.btoa( binary );
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}
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function generateKeyPair(alg, size, name) {
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return window.crypto.subtle.generateKey({
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name: "RSASSA-PKCS1-v1_5",
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modulusLength: 2048, //can be 1024, 2048, or 4096
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publicExponent: new Uint8Array([0x01, 0x00, 0x01]),
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hash: {name: "SHA-1"}, //can be "SHA-1", "SHA-256", "SHA-384", or "SHA-512"
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},
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extractable,
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["sign", "verify"]
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).then(function(key){
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var private = window.crypto.subtle.exportKey(
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"jwk",
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key.privateKey
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).then(encodePrivateKey).then(wrap).then(rsaPrivateKey);
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var public = window.crypto.subtle.exportKey(
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"jwk",
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key.publicKey
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).then(function(jwk){
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return encodePublicKey(jwk, name);
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});
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return Promise.all([private, public]);
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});
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} |