Remove MSC3903 v1 support

This is a breaking change in code marked unstable/experimental

src/rendezvous/channels/MSC3903ECDHv2RendezvousChannel.ts

@@ -30,23 +30,23 @@ import { crypto, subtleCrypto, TextEncoder } from "../../crypto/crypto";
 import { generateDecimalSas } from "../../crypto/verification/SASDecimal";
 import { UnstableValue } from "../../NamespacedValue";
 
-const ECDH = new UnstableValue(
+const ECDH_V2 = new UnstableValue(
  "m.rendezvous.v2.curve25519-aes-sha256",
  "org.matrix.msc3903.rendezvous.v2.curve25519-aes-sha256",
 );
 
 export interface ECDHv2RendezvousCode extends RendezvousCode {
  rendezvous: {
  transport: RendezvousTransportDetails;
- algorithm: typeof ECDH.name | typeof ECDH.altName;
+ algorithm: typeof ECDH_V2.name | typeof ECDH_V2.altName;
  key: string;
  };
 }
 
 export type MSC3903ECDHPayload = PlainTextPayload | EncryptedPayload;
 
 export interface PlainTextPayload {
- algorithm: typeof ECDH.name | typeof ECDH.altName;
+ algorithm: typeof ECDH_V2.name | typeof ECDH_V2.altName;
  key?: string;
 }
 
@@ -90,11 +90,11 @@ export class MSC3903ECDHv2RendezvousChannel<T> implements RendezvousChannel<T> {
  throw new Error("Code already generated");
  }
 
- await this.transport.send({ algorithm: ECDH.name });
+ await this.transport.send({ algorithm: ECDH_V2.name });
 
  const rendezvous: ECDHv2RendezvousCode = {
  rendezvous: {
- algorithm: ECDH.name,
+ algorithm: ECDH_V2.name,
  key: encodeUnpaddedBase64(this.ourPublicKey),
  transport: await this.transport.details(),
  },
@@ -123,7 +123,7 @@ export class MSC3903ECDHv2RendezvousChannel<T> implements RendezvousChannel<T> {
  }
  const res = rawRes as Partial<PlainTextPayload>;
  const { key, algorithm } = res;
- if (!algorithm || !ECDH.matches(algorithm) || !key) {
+ if (!algorithm || !ECDH_V2.matches(algorithm) || !key) {
  throw new RendezvousError(
  "Unsupported algorithm: " + algorithm,
  RendezvousFailureReason.UnsupportedAlgorithm,
@@ -134,7 +134,7 @@ export class MSC3903ECDHv2RendezvousChannel<T> implements RendezvousChannel<T> {
  } else {
  // send our public key unencrypted
  await this.transport.send({
- algorithm: ECDH.name,
+ algorithm: ECDH_V2.name,
  key: encodeUnpaddedBase64(this.ourPublicKey),
  });
  }
@@ -145,7 +145,7 @@ export class MSC3903ECDHv2RendezvousChannel<T> implements RendezvousChannel<T> {
 
  const initiatorKey = isInitiator ? this.ourPublicKey : this.theirPublicKey!;
  const recipientKey = isInitiator ? this.theirPublicKey! : this.ourPublicKey;
- let aesInfo = ECDH.name;
+ let aesInfo = ECDH_V2.name;
  aesInfo += `|${encodeUnpaddedBase64(initiatorKey)}`;
  aesInfo += `|${encodeUnpaddedBase64(recipientKey)}`;