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codezonediitj / pydatastructs Public

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Updated PR for ChaCha20 Cipher - Resolving Merge Conflicts#584

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Susmita331 wants to merge 40 commits intocodezonediitj:maincodezonediitj/pydatastructs:mainfrom

Susmita331:updated_crypto_algorithmCopy head branch name to clipboard

Conversation Commits40 (40)Checks Files changed

Closed

Updated PR for ChaCha20 Cipher - Resolving Merge Conflicts#584
Susmita331 wants to merge 40 commits intocodezonediitj:mainfrom
Susmita331:updated_crypto_algorithm

Commits

Commits on Feb 18, 2025

Create new file called ChaCha20.py
Susmita-Chakrabarty
committed
Add docstring for the ChaCha20 algorithm
Susmita-Chakrabarty
committed
Implement __new__() constructor with key (32 bytes) and nonce (12 bytes) length checks
Susmita-Chakrabarty
committed
Add quarter-round function
Susmita-Chakrabarty
committed
Add double-round function
Susmita-Chakrabarty
committed
Add function describing ChaCha20 initial state
Susmita-Chakrabarty
committed
Implement apply_keystream() method for ChaCha20 XOR operation
Susmita-Chakrabarty
committed
Add encrypt method using apply_keystream method
Susmita-Chakrabarty
committed
Add decrypt method using apply_keystream method
Susmita-Chakrabarty
committed
Add new file called test_chacha20.py
Susmita-Chakrabarty
committed
Add explicit size assertionf for VALID_KEY and VALID_NONCE
Susmita-Chakrabarty
committed
Add unit test for ChaCha20 key size validation
Susmita-Chakrabarty
committed
Add unit test for ChaCha20 nonce size validation
Susmita-Chakrabarty
committed
Add unit test for negative counter validation
Susmita-Chakrabarty
committed
Add test case that verifies that ChaCha20 produces a reversible ciphertext
Susmita-Chakrabarty
committed
Handle ChaCha20 encryption and decryption for empty input
Susmita-Chakrabarty
committed
Add test case ChaCha20 key reuse vulnerability
Susmita-Chakrabarty
committed
Move crypto directory under pydatastructs
Susmita-Chakrabarty
committed
Modify import statement of crypto/tests/test_chacha20.py
Susmita-Chakrabarty
committed
Modify import statemnt of tests/test_chacha20.py
Susmita-Chakrabarty
committed
Delete pydatastructs/crypto/tests/test_chacha20.py
Susmita-Chakrabarty
committed
Add __init__.py file
Susmita-Chakrabarty
committed
Modify __init__.py
Susmita-Chakrabarty
committed
Add __init__.py for crypto/tests/test_chacha20.py
Susmita-Chakrabarty
committed
Modify test_chacha20.py
Susmita-Chakrabarty
committed
enhance ChaCha20 implementation with __new__, __init__, __repr__, reset method
Susmita-Chakrabarty
committed
Remove extra trailing whitespace
Susmita-Chakrabarty
committed
Add a newline at the end of files
Susmita-Chakrabarty
committed
Fix IndexError in ChaCha20 quarter-round by correcting 2D array indexing and documenting the algorithm
Susmita-Chakrabarty
committed
Remove trailing whitespace
Susmita-Chakrabarty
committed
Fix OverflowError in ChaCha20 by using NumPy in-place operations
Susmita-Chakrabarty
committed
Implement explicit np.uint32 conversions and modular addition using & 0xFFFFFFFF
Susmita-Chakrabarty
committed
Fix typo in decrypt method
Susmita-Chakrabarty
committed
Fix ChaCha20 key reuse test by truncating plaintexts to equal length
Susmita-Chakrabarty
committed
Remove whitespace
Susmita-Chakrabarty
committed
Fix failed pr tests
Susmita-Chakrabarty
committed

Commits on Feb 28, 2025

Added missing file to repository
Susmita-Chakrabarty
committed
Merge branch 'CryptoAlgorithm' into updated_crypto_algorithm
Susmita-Chakrabarty
committed
Add numpy at the requirement.txt
Susmita-Chakrabarty
committed
.github/workflows/ci.yml
Susmita-Chakrabarty
committed

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