30 lines
617 B
Mathematica
30 lines
617 B
Mathematica
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// Allocation.m
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// PIATunnel
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//
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// Created by Davide De Rosa on 5/5/17.
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// Copyright © 2018 London Trust Media. All rights reserved.
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//
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#import <stdlib.h>
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#import "Allocation.h"
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#define MAX_BLOCK_SIZE 16 // AES only, block is 128-bit
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void *allocate_safely(size_t size) {
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void *memory = malloc(size);
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if (!memory) {
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// abort("malloc() call failed")
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abort();
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return NULL;
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}
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return memory;
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}
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size_t safe_crypto_capacity(size_t size, size_t overhead) {
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// encryption, byte-alignment, overhead (e.g. IV, digest)
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return 2 * size + MAX_BLOCK_SIZE + overhead;
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}
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