37 lines
754 B
C
37 lines
754 B
C
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/* Child process of page-parallel.
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Encrypts 1 MB of zeros, then decrypts it, and ensures that
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the zeros are back. */
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#include <string.h>
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#include "tests/arc4.h"
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#include "tests/lib.h"
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#include "tests/main.h"
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const char *test_name = "child-linear";
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#define SIZE (1024 * 1024)
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static char buf[SIZE];
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int
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main (int argc, char *argv[])
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{
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const char *key = argv[argc - 1];
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struct arc4 arc4;
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size_t i;
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/* Encrypt zeros. */
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arc4_init (&arc4, key, strlen (key));
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arc4_crypt (&arc4, buf, SIZE);
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/* Decrypt back to zeros. */
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arc4_init (&arc4, key, strlen (key));
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arc4_crypt (&arc4, buf, SIZE);
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/* Check that it's all zeros. */
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for (i = 0; i < SIZE; i++)
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if (buf[i] != '\0')
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fail ("byte %zu != 0", i);
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return 0x42;
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}
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