Verilog implementation of the symmetric block cipher AES (Advanced Encryption Standard) as specified in NIST FIPS 197. This implementation supports 128 and 256 bit keys.
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Dec 29, 2025 - Verilog
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block-cipher
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Implementation of AES-128 in pure C. No modes are given. Only one block of encryption and decryption is given here.
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Jun 18, 2019 - C
A petite library of encryption functions for PHP
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Aug 25, 2023 - PHP
Fast constant-time AES implementations on 32-bit architectures
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Oct 17, 2024 - Assembly
GOST cryptographic functions
python cryptography signature hash-functions hmac elliptic-curves hashing-algorithm streebog magma oid block-cipher cipher-algorithms pbkdf gost-r-34-12-2015 elliptic-curve-cryptography kuznechik gost-r-34-10-2012 gost-r-34-13-2015 gost-r-34-11-2012
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Apr 19, 2026 - Python
A Lightweight Single Header file C++ AES Library that also supports AES Hardware Acceleration Technology
security library encryption aes cipher cplusplus cpp key aes-128 aes256 aes-encryption confidentiality decryption armv8 block-cipher aes-decryption hardwareaccelerated blockcipher aesni aes192
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Sep 7, 2025 - C++
A fast, general purpose crypto library in pure Rust.
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Aug 26, 2018 - Rust
Camellia cipher SIMD vector implementations for x86 (with AES-NI, VAES and/or GFNI instructions), ARM (with ARMv8 Crypto Extension instructions), POWER (with VMX+VSX+crypto instructions) and RISC-V (RVA23+Zvkb+Zvkned).
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Jan 1, 2026 - C
A 256-bit block cipher based on SPN design, supporting key sizes of 256/384/512 bits
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Feb 26, 2023 - C
An Automatic Tool to Search for Full Impossible-Differential, Zero-Correlation and Integral Attacks
cryptanalysis block-cipher symmetric-key-cryptography skinny-block-cipher craft-block-cipher integral-analysis impossible-differential zero-correlation
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Nov 12, 2024 - Python
TwoFish implementation in python with vector tests.
python security cryptography crypto cbc-mode twofish encryption-decryption block-cipher ecb-mode twofish-cipher twofish-crypto symmetric-cipher
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May 7, 2025 - Python
Hacking cryptography in Ruby, using Cryptopals techniques
ruby cryptography hacking rsa pkcs7 srp cbc diffie-hellman ecb stream-cipher dsa ctr block-cipher break-hmac-sha1
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Nov 17, 2018 - Ruby
SEED Encryption Algorithm written in Go
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May 21, 2025 - Go
功能名：隐秘的奥尔德雷斯之谜 Function Name: OaldresPuzzle-Cryptic
cmake encryption cipher cross-platform hash command-line-tool decryption stream-cipher key-generation block-cipher symmetric-key-cryptography data-security cpp20 file-crypter secure-hash-algorithm hacker-tool binary-operation c-puls-plus-20
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Jun 10, 2026 - C++
Python Implementation of Hasty Pudding Cipher (HPC)
cryptography encryption hpc spice decryption block-cipher hasty-pudding-cipher tweakable-block-cipher
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Jun 14, 2022 - Python
Learn about cryptography concepts - Both basics and core.
python hashing cryptography encryption aes cipher rsa hash-functions pycrypto des cbc decryption stream-cipher ctr block-cipher zk-snarks cryptography-concepts zkp zkproof
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Apr 8, 2026 - Assembly
Symmetric Key Block Cipher "Magma" in Rust
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May 27, 2024 - Rust
A C++ AES implementation - an optimized forked of SergeyBel/AES
security c-plus-plus library cryptography aes cplusplus cpp key aes-256 aes-128 aes-192 cbc-mode aes-encryption cbc padding block-cipher initialization-vector ecb-mode cfb-mode block-cipher-mode
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May 3, 2025 - C++
This repo is a collection of proof-of-concepts, examples, essays and experiments in cryptography, cryptanalysis, steganography and covert channels that I originally wrote in 2015.
cryptography cryptanalysis steganography steganalysis covert-channel stream-cipher block-cipher side-channel-attacks linear-feedback-shift-register s-box linear-cryptanalysis
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May 2, 2022 - Python
Block encryption algorithm GOST R 34.12-2015 "Kuznechik"
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Feb 19, 2023 - Kotlin
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