Verify an ed25519 signature. If the key was too small then * olm_session_last_error will be "INVALID_BASE64". If the signature was invalid * then olm_session_last_error() will be "BAD_MESSAGE_MAC".
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Verify an ed25519 signature. If the key was too small then * olm_session_last_error will be "INVALID_BASE64". If the signature was invalid * then olm_session_last_error() will be "BAD_MESSAGE_MAC".