chacha20_poly1305.h

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int wc_ChaCha20Poly1305_Encrypt(
                const byte inKey[CHACHA20_POLY1305_AEAD_KEYSIZE],
                const byte inIV[CHACHA20_POLY1305_AEAD_IV_SIZE],
                const byte* inAAD, const word32 inAADLen,
                const byte* inPlaintext, const word32 inPlaintextLen,
                byte* outCiphertext,
                byte outAuthTag[CHACHA20_POLY1305_AEAD_AUTHTAG_SIZE]);
 
int wc_ChaCha20Poly1305_Decrypt(
                const byte inKey[CHACHA20_POLY1305_AEAD_KEYSIZE],
                const byte inIV[CHACHA20_POLY1305_AEAD_IV_SIZE],
                const byte* inAAD, const word32 inAADLen,
                const byte* inCiphertext, const word32 inCiphertextLen,
                const byte inAuthTag[CHACHA20_POLY1305_AEAD_AUTHTAG_SIZE],
                byte* outPlaintext);