aes256CcmEncrypt - 2023.2 English

#include "xf_security/ccm.hpp"

template <
    unsigned int _t = 16,
    unsigned int _q = 8
    >
void aes256CcmEncrypt (
    hls::stream <ap_uint <128>>& payloadStrm,
    hls::stream <ap_uint <256>>& cipherkeyStrm,
    hls::stream <ap_uint <8* (15-_q)>>& nonceStrm,
    hls::stream <ap_uint <128>>& ADStrm,
    hls::stream <ap_uint <64>>& lenADStrm,
    hls::stream <ap_uint <64>>& lenPldStrm,
    hls::stream <bool>& endLenStrm,
    hls::stream <ap_uint <128>>& cipherStrm,
    hls::stream <ap_uint <64>>& lenCphStrm,
    hls::stream <ap_uint <8*_t>>& tagStrm,
    hls::stream <bool>& endTagStrm
    )

aes256CcmEncrypt is CCM encryption mode with AES-256 single block cipher.

The algorithm reference is: “Recommendation for Block Cipher Modes of Operation: The CCM Mode for Authentication and Confidentiality” The implementation is modified for better performance.

Parameters:

_t	Length of the MAC in byte, t is an element of {4, 6, 8, 10, 12, 14, 16}.
_q	Length in byte of the binary representation of the length of the payload in byte, q is an element of {2, 3, 4, 5, 6, 7, 8}.
payloadStrm	Input block stream text to be encrypted.
cipherkeyStrm	Input cipher key used in encryption.
nonceStrm	The nonce stream.
ADStrm	Associated data stream.
lenADStrm	Length of associated data in byte.
lenPldStrm	Length of payload in byte.
endLenStrm	Flag to signal the end of the length streams.
cipherStrm	Output encrypted block stream text.
lenCphStrm	Length of cipher in byte.
tagStrm	The MAC stream.
endTagStrm	Flag to signal the end of the MAC stream.