[age-withdraw] WiP: first types and adjustments

1 files changed, 2 insertions, 23 deletions

diff --git a/packages/taler-util/src/taler-crypto.ts b/packages/taler-util/src/taler-crypto.ts
index d52edc1e5..396ac89e1 100644
--- a/packages/taler-util/src/taler-crypto.ts
+++ b/packages/taler-util/src/taler-crypto.ts
@@ -1254,30 +1254,9 @@ export namespace AgeRestriction {
     age: number,
   ): Promise<AgeCommitmentProof> {
     invariant((ageMask & 1) === 1);
-    const numPubs = countAgeGroups(ageMask) - 1;
-    const numPrivs = getAgeGroupIndex(ageMask, age);
-
-    const pubs: Edx25519PublicKey[] = [];
-    const privs: Edx25519PrivateKey[] = [];
-
-    for (let i = 0; i < numPubs; i++) {
-      const priv = await Edx25519.keyCreate();
-      const pub = await Edx25519.getPublic(priv);
-      pubs.push(pub);
-      if (i < numPrivs) {
-        privs.push(priv);
-      }
-    }
+    const seed = getRandomBytes(32);
 
-    return {
-      commitment: {
-        mask: ageMask,
-        publicKeys: pubs.map((x) => encodeCrock(x)),
-      },
-      proof: {
-        privateKeys: privs.map((x) => encodeCrock(x)),
-      },
-    };
+    return restrictionCommitSeeded(ageMask, age, seed);
   }
 
   const PublishedAgeRestrictionBaseKey: Edx25519PublicKey = decodeCrock(