695     uint8_t nonce[16];  in boot_enc_encrypt()  local
702     memset(nonce, 0, 12);  in boot_enc_encrypt()
704     nonce[12] = (uint8_t)(off >> 24);  in boot_enc_encrypt()
705     nonce[13] = (uint8_t)(off >> 16);  in boot_enc_encrypt()
706     nonce[14] = (uint8_t)(off >> 8);  in boot_enc_encrypt()
707     nonce[15] = (uint8_t)off;  in boot_enc_encrypt()
710     bootutil_aes_ctr_encrypt(&enc->aes_ctr, nonce, buf, sz, blk_off, buf);  in boot_enc_encrypt()
718     uint8_t nonce[16];  in boot_enc_decrypt()  local
725     memset(nonce, 0, 12);  in boot_enc_decrypt()
727     nonce[12] = (uint8_t)(off >> 24);  in boot_enc_decrypt()
728     nonce[13] = (uint8_t)(off >> 16);  in boot_enc_decrypt()
729     nonce[14] = (uint8_t)(off >> 8);  in boot_enc_decrypt()
730     nonce[15] = (uint8_t)off;  in boot_enc_decrypt()
733     bootutil_aes_ctr_decrypt(&enc->aes_ctr, nonce, buf, sz, blk_off, buf);  in boot_enc_decrypt()