117 static void calc_a_xor_t(unsigned char A[KW_SEMIBLOCK_LENGTH], uint64_t t)  in calc_a_xor_t()
121         A[i] ^= (t >> ((sizeof(t) - 1 - i) * 8)) & 0xff;  in calc_a_xor_t()
207         unsigned char *A = output;  in mbedtls_nist_kw_wrap()  local
219             memcpy(inbuff, A, KW_SEMIBLOCK_LENGTH);  in mbedtls_nist_kw_wrap()
228             memcpy(A, outbuff, KW_SEMIBLOCK_LENGTH);  in mbedtls_nist_kw_wrap()
229             calc_a_xor_t(A, t);  in mbedtls_nist_kw_wrap()
262                   unsigned char A[KW_SEMIBLOCK_LENGTH],  in unwrap()
278     memcpy(A, input, KW_SEMIBLOCK_LENGTH);  in unwrap()
284         calc_a_xor_t(A, t);  in unwrap()
286         memcpy(inbuff, A, KW_SEMIBLOCK_LENGTH);  in unwrap()
295         memcpy(A, outbuff, KW_SEMIBLOCK_LENGTH);  in unwrap()
330     unsigned char A[KW_SEMIBLOCK_LENGTH];  in mbedtls_nist_kw_unwrap()  local
352                      A, output, out_len);  in mbedtls_nist_kw_unwrap()
358         diff = mbedtls_ct_memcmp(NIST_KW_ICV1, A, KW_SEMIBLOCK_LENGTH);  in mbedtls_nist_kw_unwrap()
388             memcpy(A, outbuff, KW_SEMIBLOCK_LENGTH);  in mbedtls_nist_kw_unwrap()
395                          A, output, out_len);  in mbedtls_nist_kw_unwrap()
402         diff = mbedtls_ct_memcmp(NIST_KW_ICV2, A, KW_SEMIBLOCK_LENGTH / 2);  in mbedtls_nist_kw_unwrap()
408         Plen = MBEDTLS_GET_UINT32_BE(A, KW_SEMIBLOCK_LENGTH / 2);  in mbedtls_nist_kw_unwrap()
447     mbedtls_platform_zeroize(A, sizeof(A));  in mbedtls_nist_kw_unwrap()