37 #define CCM_FLAGS(A,M,L) (((A > 0) << 6) | (((M - 2)/2) << 3) | (L - 1))  argument
41 #define SET_COUNTER(A,L,cnt,C) {					\  argument
43     memset((A) + DTLS_CCM_BLOCKSIZE - (L), 0, (L));			\
46       (A)[i] |= (C) & 0xFF;						\
151 	unsigned char A[DTLS_CCM_BLOCKSIZE],  in encrypt()
156   SET_COUNTER(A, L, counter, counter_tmp);      in encrypt()
157   rijndael_encrypt(ctx, A, S);  in encrypt()
184   unsigned char A[DTLS_CCM_BLOCKSIZE]; /* A_i blocks for encryption input */  in dtls_ccm_encrypt_message()  local
195   A[0] = L-1;  in dtls_ccm_encrypt_message()
198   memcpy(A + 1, nonce, DTLS_CCM_BLOCKSIZE - L);  in dtls_ccm_encrypt_message()
205     encrypt(ctx, L, counter, msg, DTLS_CCM_BLOCKSIZE, A, S);  in dtls_ccm_encrypt_message()
223     encrypt(ctx, L, counter, msg, lm, A, S);  in dtls_ccm_encrypt_message()
230   SET_COUNTER(A, L, 0, counter_tmp);  in dtls_ccm_encrypt_message()
231   rijndael_encrypt(ctx, A, S);  in dtls_ccm_encrypt_message()
249   unsigned char A[DTLS_CCM_BLOCKSIZE]; /* A_i blocks for encryption input */  in dtls_ccm_decrypt_message()  local
265   A[0] = L-1;  in dtls_ccm_decrypt_message()
268   memcpy(A + 1, nonce, DTLS_CCM_BLOCKSIZE - L);  in dtls_ccm_decrypt_message()
272     encrypt(ctx, L, counter, msg, DTLS_CCM_BLOCKSIZE, A, S);  in dtls_ccm_decrypt_message()
285     encrypt(ctx, L, counter, msg, lm, A, S);  in dtls_ccm_decrypt_message()
300   SET_COUNTER(A, L, 0, counter_tmp);  in dtls_ccm_decrypt_message()
301   rijndael_encrypt(ctx, A, S);  in dtls_ccm_decrypt_message()