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- #ifndef __TC_CCM_MODE_H__
- #define __TC_CCM_MODE_H__
- #include <tinycrypt/aes.h>
- #include <stddef.h>
- #ifdef __cplusplus
- extern "C" {
- #endif
- #define TC_CCM_AAD_MAX_BYTES 0xff00
- #define TC_CCM_PAYLOAD_MAX_BYTES 0x10000
- typedef struct tc_ccm_mode_struct {
- TCAesKeySched_t sched;
- uint8_t *nonce;
- unsigned int mlen;
- } *TCCcmMode_t;
- int tc_ccm_config(TCCcmMode_t c, TCAesKeySched_t sched, uint8_t *nonce,
- unsigned int nlen, unsigned int mlen);
- int tc_ccm_generation_encryption(uint8_t *out, unsigned int olen,
- const uint8_t *associated_data,
- unsigned int alen, const uint8_t *payload,
- unsigned int plen, TCCcmMode_t c);
- int tc_ccm_decryption_verification(uint8_t *out, unsigned int olen,
- const uint8_t *associated_data,
- unsigned int alen, const uint8_t *payload, unsigned int plen,
- TCCcmMode_t c);
- #ifdef __cplusplus
- }
- #endif
- #endif
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