decode_asn1.py 文件源码

def _decode_crl_reason(backend, enum):
    enum = backend._ffi.cast("ASN1_ENUMERATED *", enum)
    enum = backend._ffi.gc(enum, backend._lib.ASN1_ENUMERATED_free)
    code = backend._lib.ASN1_ENUMERATED_get(enum)

    try:
        return x509.CRLReason(_CRL_ENTRY_REASON_CODE_TO_ENUM[code])
    except KeyError:
        raise ValueError("Unsupported reason code: {0}".format(code))