(feat): finish chat crypto migration

(wip): prep for full ECDH repo migration

packages/crypto/src/context.test.ts

@@ -49,12 +49,6 @@ describe("createCryptoActions", () => {
         secret: string,
         ciphertext: string,
       ): Promise<string> => `${secret}|${ciphertext}`,
-      getSharedSecret: async (
-        ownPrivateKey: string,
-        ownPublicKey: string,
-        otherPublicKey: string,
-      ): Promise<string> =>
-        `${ownPrivateKey}.${ownPublicKey}.${otherPublicKey}`,
     };
 
     const actions = createCryptoActions(() => api);
@@ -67,6 +61,5 @@ describe("createCryptoActions", () => {
     ).toBe("s|c");
     expect(await actions.encryptText("s", "p")).toBe("s:p");
     expect(await actions.decryptText("s", "c")).toBe("s|c");
-    expect(await actions.getSharedSecret("a", "b", "c")).toBe("a.b.c");
   });
 });