< fe *ddlmZddlmZdZdZdS)) long_to_bytes)EccKeyc|j|jz}|rtdt |j|}|S)NzInvalid ECDH point)pointQdis_point_at_infinity ValueErrorrx size_in_bytes)key_privkey_pubpointPzs a/home/panchajanya/Development/work/volatility3/lib/python3.11/site-packages/Crypto/Protocol/DH.py _compute_ecdhrsU ^hj (F ""$$/-...fh 4 4 6 677A Hc ,|dd}|dd}|dd}|dd}|dd}|tdd}d}d}d } || ||dd }|d z }|| ||dd }|d z }|| ||dd }|d z }|| ||dd }|d z }||zd ks |dks|dkrtdd} d} |r|rt||} |rB|r@t|t|krtdt||} n)|r|rt||} n|r|rt||} | | z} || S)aPerform a Diffie-Hellman key agreement. Keywords: kdf (callable): A key derivation function that accepts ``bytes`` as input and returns ``bytes``. static_priv (EccKey): The local static private key. Optional. static_pub (EccKey): The static public key that belongs to the peer. Optional. eph_priv (EccKey): The local ephemeral private key, generated for this session. Optional. eph_pub (EccKey): The ephemeral public key, received from the peer for this session. Optional. At least two keys must be passed, of which one is a private key and one a public key. Returns (bytes): The derived secret key material. static_privN static_pubeph_priveph_pubkdfz'kdf' is mandatoryrct|tstd|z|r&|std|z||j}n||jkrtd|z|S)Nz'%s' must be an ECC keyz'%s' must be a private ECC keyz('%s' is defined on an incompatible curve) isinstancer TypeError has_privatecurve)rkeynameprivates r check_curvez"key_agreement..check_curve2s#v&& >5<== =  E3??,, E>a  E7Iu==Q Y!##zQ)q..BCCC B B4z4 ; 3 3 1G 1   Z 0 0 0 0ABB B 8W - - 1j1 8Z 0 0 1[1 ; 0 0 RA 3q66MrN)Crypto.Util.numberrCrypto.PublicKey.ECCrrr,rrr0sV,,,,,,''''''   WWWWWr