import eddsa using JWK

pkg/wallet/src/parser.ts

@@ -2,6 +2,7 @@ import { Parser } from '@slangroom/core';
 
 export function parser(this: Parser) {
 	this.RULE('walletPhrase', () => {
+		this.sendpass('jwk');
 		this.sendpass1('holder');
 		this.sendpass2('object');
 		this.sendpassn(3, 'fields');

pkg/wallet/src/plugin.ts

@@ -4,7 +4,7 @@ import { parser } from '@slangroom/wallet';
 import bs58 from 'bs58'
 import { DisclosureFrame, Hasher, Signer, base64encode } from '@meeco/sd-jwt';
 import { createHash } from 'crypto';
-import { JWTHeaderParameters, JWTPayload, KeyLike, SignJWT, exportJWK, generateKeyPair } from 'jose';
+import { JWTHeaderParameters, JWTPayload, KeyLike, SignJWT, exportJWK, importJWK } from 'jose';
 import {
 	CreateSDJWTPayload,
 	HasherConfig,
@@ -34,14 +34,15 @@ const hasher: HasherConfig = {
   };
 
 const createVCSDJWT = async (ctx: PluginContext): Promise<PluginResult> => {
+	const jwk = ctx.fetch('jwk') as JsonableObject
 	const object = ctx.fetch('object') as JsonableObject
 	const holder = ctx.fetch('holder') as string
 	const fields = ctx.fetch('fields') as JsonableArray
 	// TODO: generate in another statement
-	const keyPair = await generateKeyPair(supportedAlgorithm.EdDSA);
+	const sk = await importJWK(jwk)
 	const signer: SignerConfig = {
 		alg: supportedAlgorithm.EdDSA,
-		callback: signerCallbackFn(keyPair.privateKey),
+		callback: signerCallbackFn(sk),
 	};
 	const issuer = new Issuer(signer, hasher);
 

pkg/wallet/test/e2e.ts

@@ -6,15 +6,32 @@ test('Create VC SD JWT', async (t) => {
 	t;
 	const script = `
 Rule caller restroom-mw
+Scenario 'eddsa': Create the public key
 
-Given I send holder 'holder' and send object 'object' and send fields 'fields' and create vc sd jwt and output into 'vcsdjwt'
-Given I have a 'string' named 'vcsdjwt'
-When done
-Then print data
+Given I have the 'keyring'
+Given I have a 'string' named 'crv'
+Given I have a 'string' named 'kty'
+
+When I create the eddsa public key
+When I pickup from path 'keyring.eddsa'
+When I rename 'eddsa' to 'd'
+When I rename 'eddsa public key' to 'x'
+
+Then print the 'x' as 'url64' in 'jwk'
+Then print the 'd' as 'url64' in 'jwk'
+Then print the 'crv' as 'string' in 'jwk'
+Then print the 'kty' as 'string' in 'jwk'
+
+Then I send jwk 'jwk' and send holder 'holder' and send object 'object' and send fields 'fields' and create vc sd jwt and output into 'vcsdjwt'
 `;
 	const slangroom = new Slangroom(wallet);
 	const res = await slangroom.execute(script, {
 		keys: {
+			keyring: {
+				eddsa: "6c7zvt8NvhLEXFACvkJW5DVqZzutuFDkxCxCZ8mzGzSP"
+			},
+			crv: "Ed25519",
+			kty: "OKP",
 			holder: "DXXa2upAr7hgseAtFfz2NuSfmFrmx6iySvmG9PHHRq6D",
 			object: {
 				name: 'test person',