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/* See LICENSE file for copyright and license details. */
#include "common.h"
#ifndef TEST
#define ALPHABET "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"
NONSTRING const char librecrypt_common_rfc4848s4_encoding_lut_[256u] = MAKE_ENCODING_LUT(ALPHABET);
#else
int
main(void)
{
size_t i;
char c;
SET_UP_ALARM();
for (i = 0u; i < 64u; i++) {
c = librecrypt_common_rfc4848s4_encoding_lut_[i];
/* Check alphabet repeated 4 times (64 characters become 256) */
EXPECT(librecrypt_common_rfc4848s4_encoding_lut_[i + 64u * 1u] == c);
EXPECT(librecrypt_common_rfc4848s4_encoding_lut_[i + 64u * 2u] == c);
EXPECT(librecrypt_common_rfc4848s4_encoding_lut_[i + 64u * 3u] == c);
/* Check alphabet is valid: */
/* printable but not whitespace */
EXPECT(c > ' ');
EXPECT(c < '\x7F');
/* character does not have special mean */
EXPECT(c != LIBRECRYPT_HASH_COMPOSITION_DELIMITER);
EXPECT(c != LIBRECRYPT_ALGORITHM_LINK_DELIMITER);
EXPECT(c != '*');
/* character is not ':' which has special meaning in table files */
EXPECT(c != ':');
/* other characters forbidden by crypt(5) */
EXPECT(c != ';');
EXPECT(c != '!');
EXPECT(c != '\\');
/* Check encoding LUT matches decoding LUT;
* this verifies that characters in the alphabet are unique */
EXPECT(librecrypt_common_rfc4848s4_decoding_lut_[(unsigned char)c] == i);
}
return 0;
}
#endif
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