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));			\
44     (C) = (cnt) & MASK_L(L);						\
45     for (i = DTLS_CCM_BLOCKSIZE - 1; (C) && (i > (L)); --i, (C) >>= 8)	\
51        size_t L,       /* number of bytes to encode message length */  in block0()  argument
58   result[0] = CCM_FLAGS(la, M, L);  in block0()
61   memcpy(result + 1, nonce, DTLS_CCM_BLOCKSIZE - L);  in block0()
63   for (i=0; i < L; i++) {  in block0()
149 encrypt(rijndael_ctx *ctx, size_t L, unsigned long counter,  in encrypt()  argument
156   SET_COUNTER(A, L, counter, counter_tmp);      in encrypt()
176 dtls_ccm_encrypt_message(rijndael_ctx *ctx, size_t M, size_t L,   in dtls_ccm_encrypt_message()  argument
191   block0(M, L, la, lm, nonce, B);  in dtls_ccm_encrypt_message()
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()
240 dtls_ccm_decrypt_message(rijndael_ctx *ctx, size_t M, size_t L,  in dtls_ccm_decrypt_message()  argument
261   block0(M, L, la, lm, nonce, B);  in dtls_ccm_decrypt_message()
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()