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Node / dev / reticulum / files / RNS / Cryptography / Hashes.py

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RNS/Cryptography/Hashes.py 9d924dcd6d7d07bbcbf3d2d083a007d2f49a2afb (9d924dcd) Text, 769 B

Tff7b72import T7ee787importlib

Tff7b72if Te6edf3importlibTff7b72.Td2a8ffutilTff7b72.Td2a8fffind_specTb4b4b4(Ta5d6ff'Ta5d6ffhashlibTa5d6ff'Tb4b4b4) Tff7b72!= Tff7b72NoneTb4b4b4:

Tff7b72import T7ee787hashlib

Tff7b72elseTb4b4b4:

Te6edf3hashlib Tff7b72= Tff7b72None

Tff7b72if Tffa657hasattrTb4b4b4(Te6edf3hashlibTb4b4b4, Ta5d6ff"Ta5d6ffsha512Ta5d6ff"Tb4b4b4)Tb4b4b4:

Tff7b72from T7ee787hashlib Tff7b72import Te6edf3sha512 Tff7b72as Te6edf3ext_sha512

Tff7b72elseTb4b4b4:

Tff7b72from T7ee787.T7ee787SHA512 Tff7b72import Te6edf3sha512 Tff7b72as Te6edf3ext_sha512

Tff7b72if Tffa657hasattrTb4b4b4(Te6edf3hashlibTb4b4b4, Ta5d6ff"Ta5d6ffsha256Ta5d6ff"Tb4b4b4)Tb4b4b4:

Tff7b72from T7ee787hashlib Tff7b72import Te6edf3sha256 Tff7b72as Te6edf3ext_sha256

Tff7b72elseTb4b4b4:

Tff7b72from T7ee787.T7ee787SHA256 Tff7b72import Te6edf3sha256 Tff7b72as Te6edf3ext_sha256

T8b949e"""

The SHA primitives are abstracted here to allow platform-

aware hardware acceleration in the future. Currently only

uses Python's internal SHA-256 implementation. All SHA-256

calls in RNS end up here.

"""

Tff7b72def Td2a8ffsha256Tb4b4b4(Te6edf3dataTb4b4b4)Tb4b4b4:

Te6edf3digest Tff7b72= Te6edf3ext_sha256Tb4b4b4(Tb4b4b4)

Te6edf3digestTff7b72.Td2a8ffupdateTb4b4b4(Te6edf3dataTb4b4b4)

Tff7b72return Te6edf3digestTff7b72.Td2a8ffdigestTb4b4b4(Tb4b4b4)

Tff7b72def Td2a8ffsha512Tb4b4b4(Te6edf3dataTb4b4b4)Tb4b4b4:

Te6edf3digest Tff7b72= Te6edf3ext_sha512Tb4b4b4(Tb4b4b4)

Te6edf3digestTff7b72.Td2a8ffupdateTb4b4b4(Te6edf3dataTb4b4b4)

Tff7b72return Te6edf3digestTff7b72.Td2a8ffdigestTb4b4b4(Tb4b4b4)