chacha20_poly1305.h File Reference

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Functions
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])
	This function encrypts an input message, inPlaintext, using the ChaCha20 stream cipher, into the output buffer, outCiphertext. It also performs Poly-1305 authentication (on the cipher text), and stores the generated authentication tag in the output buffer, outAuthTag. More...
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)
	This function decrypts input ciphertext, inCiphertext, using the ChaCha20 stream cipher, into the output buffer, outPlaintext. It also performs Poly-1305 authentication, comparing the given inAuthTag to an authentication generated with the inAAD (arbitrary length additional authentication data). Note: If the generated authentication tag does not match the supplied authentication tag, the text is not decrypted. More...