btstack_crypto.c (2fca4dad957cd7b88f4657ed51e89c12615dda72) btstack_crypto.c (f2a94e3bf69dd83e88a5463a30173a12a1e5b2f6)
1/*
2 * Copyright (C) 2017 BlueKitchen GmbH
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright

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751 uint8_t btstack_crypto_ccm_buffer[16];
752 btstack_crypto_ccm->state = CCM_W4_XN;
753
754#ifdef DEBUG_CCM
755 printf("%16s: ", "bn");
756 printf_hexdump(plaintext, 16);
757#endif
758 uint8_t i;
1/*
2 * Copyright (C) 2017 BlueKitchen GmbH
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright

--- 742 unchanged lines hidden (view full) ---

751 uint8_t btstack_crypto_ccm_buffer[16];
752 btstack_crypto_ccm->state = CCM_W4_XN;
753
754#ifdef DEBUG_CCM
755 printf("%16s: ", "bn");
756 printf_hexdump(plaintext, 16);
757#endif
758 uint8_t i;
759 uint8_t bytes_to_decrypt = btstack_crypto_ccm->block_len;
759 uint16_t bytes_to_decrypt = btstack_crypto_ccm->block_len;
760 // use explicit min implementation as c-stat worried about out-of-bounds-reads
761 if (bytes_to_decrypt > 16u) {
762 bytes_to_decrypt = 16;
763 }
764 for (i = 0; i < bytes_to_decrypt ; i++){
765 btstack_crypto_ccm_buffer[i] = btstack_crypto_ccm->x_i[i] ^ plaintext[i];
766 }
767 (void)memcpy(&btstack_crypto_ccm_buffer[i], &btstack_crypto_ccm->x_i[i],

--- 615 unchanged lines hidden --- 		760 // use explicit min implementation as c-stat worried about out-of-bounds-reads
761 if (bytes_to_decrypt > 16u) {
762 bytes_to_decrypt = 16;
763 }
764 for (i = 0; i < bytes_to_decrypt ; i++){
765 btstack_crypto_ccm_buffer[i] = btstack_crypto_ccm->x_i[i] ^ plaintext[i];
766 }
767 (void)memcpy(&btstack_crypto_ccm_buffer[i], &btstack_crypto_ccm->x_i[i],

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