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authorFlorian Dold <florian@dold.me>2021-10-07 15:09:40 +0200
committerFlorian Dold <florian@dold.me>2021-10-07 15:09:40 +0200
commit0bbaafcd36ce68f95faee0b91738a169848c7a90 (patch)
tree4349fc7b31f9355c88ef10a029779966d7203e74 /packages
parente2fe2d6db16b422ee6d69ef03f1393e1f0f42749 (diff)
anastasis: implement user id derivation
Diffstat (limited to 'packages')
-rw-r--r--packages/anastasis-core/src/crypto.test.ts7
-rw-r--r--packages/anastasis-core/src/crypto.ts21
2 files changed, 25 insertions, 3 deletions
diff --git a/packages/anastasis-core/src/crypto.test.ts b/packages/anastasis-core/src/crypto.test.ts
index 346806fac..78ff2a65a 100644
--- a/packages/anastasis-core/src/crypto.test.ts
+++ b/packages/anastasis-core/src/crypto.test.ts
@@ -1,4 +1,5 @@
import test from "ava";
+import { userIdentifierDerive } from "./crypto.js";
// Vector generated with taler-anastasis-tvg
const userIdVector = {
@@ -12,5 +13,9 @@ const userIdVector = {
};
test("user ID derivation", async (t) => {
- t.fail();
+ const res = await userIdentifierDerive(
+ userIdVector.input_id_data,
+ userIdVector.input_server_salt,
+ );
+ t.is(res, userIdVector.output_id);
});
diff --git a/packages/anastasis-core/src/crypto.ts b/packages/anastasis-core/src/crypto.ts
index 54f27b646..c20d323a7 100644
--- a/packages/anastasis-core/src/crypto.ts
+++ b/packages/anastasis-core/src/crypto.ts
@@ -1,10 +1,27 @@
+import {
+ canonicalJson,
+ decodeCrock,
+ encodeCrock,
+ stringToBytes,
+} from "@gnu-taler/taler-util";
import { argon2id } from "hash-wasm";
-async function userIdentifierDerive(
+export async function userIdentifierDerive(
idData: any,
serverSalt: string,
): Promise<string> {
- throw Error("not implemented");
+ const canonIdData = canonicalJson(idData);
+ const hashInput = stringToBytes(canonIdData);
+ const result = await argon2id({
+ hashLength: 64,
+ iterations: 3,
+ memorySize: 1024 /* kibibytes */,
+ parallelism: 1,
+ password: hashInput,
+ salt: decodeCrock(serverSalt),
+ outputType: "binary",
+ });
+ return encodeCrock(result);
}
// interface Keypair {