Module symmetric 

Constants for symmetric encryption algorithms

Constants

AES128_KEY_SIZE

AES-128 key size in bytes

AES192_KEY_SIZE

AES-192 key size in bytes

AES256_KEY_SIZE

AES-256 key size in bytes

AES_BLOCK_SIZE

AES block size in bytes

CHACHA20_BLOCK_SIZE

ChaCha20 block size in bytes

CHACHA20_KEY_SIZE

ChaCha20 key size in bytes

CHACHA20_NONCE_SIZE

ChaCha20 nonce size in bytes

POLY1305_KEY_SIZE

Poly1305 key size in bytes

POLY1305_TAG_SIZE

Poly1305 tag size in bytes