NOTMUCH_STATUS_MALFORMED_CRYPTO_PROTOCOL,
NOTMUCH_STATUS_FAILED_CRYPTO_CONTEXT_CREATION,
NOTMUCH_STATUS_UNKNOWN_CRYPTO_PROTOCOL,
NOTMUCH_STATUS_MALFORMED_CRYPTO_PROTOCOL,
NOTMUCH_STATUS_FAILED_CRYPTO_CONTEXT_CREATION,
NOTMUCH_STATUS_UNKNOWN_CRYPTO_PROTOCOL,