ó ‚ū^Yc@s†dZddlmZddlmZddlmZddlmZddl m Z de fd„ƒYZ d e fd „ƒYZ d S( s2pyCrypto Crypto-related routines for oauth2client.iĸĸĸĸ(tSHA256(tRSA(t PKCS1_v1_5(t DerSequence(t_helperstPyCryptoVerifiercBs/eZdZd„Zd„Zed„ƒZRS(s$Verifies the signature on a message.cCs ||_dS(sƒConstructor. Args: pubkey: OpenSSL.crypto.PKey (or equiv), The public key to verify with. N(t_pubkey(tselftpubkey((sB/tmp/pip-build-kpPAdC/oauth2client/oauth2client/_pycrypto_crypt.pyt__init__scCs:tj|ddƒ}tj|jƒjtj|ƒ|ƒS(sĢVerifies a message against a signature. Args: message: string or bytes, The message to verify. If string, will be encoded to bytes as utf-8. signature: string or bytes, The signature on the message. Returns: True if message was signed by the private key associated with the public key that this object was constructed with. tencodingsutf-8(Rt _to_bytesRtnewRtverifyR(Rtmessaget signature((sB/tmp/pip-build-kpPAdC/oauth2client/oauth2client/_pycrypto_crypt.pyR $s cCsŦ|r’tj|ƒ}|jddƒjƒ}tjdj|dd!ƒƒ}tƒ}|j|ƒtƒ}|j|dƒtj |dƒ}ntj |ƒ}t |ƒS(s@Construct a Verified instance from a string. Args: key_pem: string, public key in PEM format. is_x509_cert: bool, True if key_pem is an X509 cert, otherwise it is expected to be an RSA key in PEM format. Returns: Verifier instance. t tiiĸĸĸĸii( RR treplacetsplitt_urlsafe_b64decodetjoinRtdecodeRt importKeyR(tkey_pemt is_x509_certtpemLinestcertDertcertSeqttbsSeqR((sB/tmp/pip-build-kpPAdC/oauth2client/oauth2client/_pycrypto_crypt.pyt from_string4s    (t__name__t __module__t__doc__R R t staticmethodR(((sB/tmp/pip-build-kpPAdC/oauth2client/oauth2client/_pycrypto_crypt.pyRs tPyCryptoSignercBs2eZdZd„Zd„Zedd„ƒZRS(s"Signs messages with a private key.cCs ||_dS(stConstructor. Args: pkey, OpenSSL.crypto.PKey (or equiv), The private key to sign with. N(t_key(Rtpkey((sB/tmp/pip-build-kpPAdC/oauth2client/oauth2client/_pycrypto_crypt.pyR QscCs7tj|ddƒ}tj|jƒjtj|ƒƒS(sąSigns a message. Args: message: string, Message to be signed. Returns: string, The signature of the message for the given key. R sutf-8(RR RR R$tsignR(RR((sB/tmp/pip-build-kpPAdC/oauth2client/oauth2client/_pycrypto_crypt.pyR&Ys t notasecretcCsFtjtj|ƒƒ}|r0tj|ƒ}n tdƒ‚t|ƒS(s_Construct a Signer instance from a string. Args: key: string, private key in PEM format. password: string, password for private key file. Unused for PEM files. Returns: Signer instance. Raises: NotImplementedError if the key isn't in PEM format. spNo key in PEM format was detected. This implementation can only use the PyCrypto library for keys in PEM format.(Rt_parse_pem_keyR RRtNotImplementedErrorR#(tkeytpasswordtparsed_pem_keyR%((sB/tmp/pip-build-kpPAdC/oauth2client/oauth2client/_pycrypto_crypt.pyRes  (RR R!R R&R"R(((sB/tmp/pip-build-kpPAdC/oauth2client/oauth2client/_pycrypto_crypt.pyR#Ns   N(R!t Crypto.HashRtCrypto.PublicKeyRtCrypto.SignatureRtCrypto.Util.asn1Rt oauth2clientRtobjectRR#(((sB/tmp/pip-build-kpPAdC/oauth2client/oauth2client/_pycrypto_crypt.pyts6