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Generate valid version 3 signatures

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This commit is contained in:
Alax Villmann 2017-01-26 12:49:49 -08:00
parent b6c59afac0
commit e526cf0a3b
1 changed files with 17 additions and 3 deletions
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20
src/packet/signature.js
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@ -187,9 +187,13 @@ Signature.prototype.write = function () {
switch (this.version) {
case 3:
arr.push(new Uint8Array([3, 5])); // version, One-octet length of following hashed material. MUST be 5
arr.push(this.signatureData);
arr.push(new Uint8Array([this.signatureType]));
arr.push(util.writeDate(this.created));
arr.push(this.issuerKeyId.write());
arr.push(new Uint8Array([this.publicKeyAlgorithm, this.hashAlgorithm]));
arr.push(new Uint8Array([
enums.write(enums.publicKey, this.publicKeyAlgorithm),
enums.write(enums.hash, this.hashAlgorithm)
]));
break;
case 4:
arr.push(this.signatureData);
@ -222,7 +226,17 @@ Signature.prototype.sign = function (key, data) {
var trailer = this.calculateTrailer();
var toHash = util.concatUint8Array([this.toSign(signatureType, data), this.signatureData, trailer]);
var toHash = null
switch (this.version) {
case 3:
toHash = util.concatUint8Array([this.toSign(signatureType, data), new Uint8Array([signatureType]), util.writeDate(this.created)]);
break;
case 4:
toHash = util.concatUint8Array([this.toSign(signatureType, data), this.signatureData, trailer]);
break;
default: throw new Error('Version ' + this.version + ' of the signature is unsupported.');
}
var hash = crypto.hash.digest(hashAlgorithm, toHash);