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ECDSA JSON Web Signature format

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used e.g. by JWT
This commit is contained in:
CPlusSharp 2024-04-14 16:11:11 +02:00
parent 7e7195c291
commit 21ac516248
4 changed files with 105 additions and 8 deletions
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7
src/core/operations/ECDSASign.mjs
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@ -6,6 +6,8 @@
import Operation from "../Operation.mjs";
import OperationError from "../errors/OperationError.mjs";
import { fromHex } from "../lib/Hex.mjs";
import { toBase64 } from "../lib/Base64.mjs";
import r from "jsrsasign";
/**
@ -48,6 +50,7 @@ class ECDSASign extends Operation {
value: [
"ASN.1 HEX",
"P1363 HEX",
"JSON Web Signature",
"Raw JSON"
]
}
@ -86,6 +89,10 @@ class ECDSASign extends Operation {
case "P1363 HEX":
result = r.KJUR.crypto.ECDSA.asn1SigToConcatSig(signatureASN1Hex);
break;
case "JSON Web Signature":
result = r.KJUR.crypto.ECDSA.asn1SigToConcatSig(signatureASN1Hex);
result = toBase64(fromHex(result), "A-Za-z0-9-_"); // base64url
break;
case "Raw JSON": {
const signatureRS = r.KJUR.crypto.ECDSA.parseSigHexInHexRS(signatureASN1Hex);
result = JSON.stringify(signatureRS);