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71 lines
2.3 KiB
71 lines
2.3 KiB
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#define TEST_NAME "kdf"
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#include "cmptest.h"
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static void
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tv_kdf(void)
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{
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unsigned char *master_key;
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unsigned char *subkey;
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char *context;
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char hex[crypto_kdf_BYTES_MAX * 2 + 1];
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uint64_t i;
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int ret;
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context = (char *) sodium_malloc(crypto_kdf_CONTEXTBYTES);
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master_key = (unsigned char *) sodium_malloc(crypto_kdf_KEYBYTES);
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memcpy(context, "KDF test", sizeof "KDF test" -1U);
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for (i = 0; i < crypto_kdf_KEYBYTES; i++) {
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master_key[i] = i;
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}
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subkey = (unsigned char *) sodium_malloc(crypto_kdf_BYTES_MAX);
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for (i = 0; i < 10; i++) {
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ret = crypto_kdf_derive_from_key(subkey, crypto_kdf_BYTES_MAX,
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i, context, master_key);
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assert(ret == 0);
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sodium_bin2hex(hex, sizeof hex, subkey, crypto_kdf_BYTES_MAX);
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printf("%s\n", hex);
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}
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sodium_free(subkey);
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for (i = 0; i < crypto_kdf_BYTES_MAX + 2; i++) {
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subkey = (unsigned char *) sodium_malloc(crypto_kdf_BYTES_MAX);
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if (crypto_kdf_derive_from_key(subkey, (size_t) i,
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i, context, master_key) == 0) {
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sodium_bin2hex(hex, sizeof hex, subkey, (size_t) i);
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printf("%s\n", hex);
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} else {
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printf("Failure -- probably expected for output length=%u\n",
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(unsigned int) i);
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}
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sodium_free(subkey);
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}
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sodium_free(master_key);
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sodium_free(context);
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assert(strcmp(crypto_kdf_primitive(), crypto_kdf_PRIMITIVE) == 0);
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assert(crypto_kdf_BYTES_MAX > 0);
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assert(crypto_kdf_BYTES_MIN <= crypto_kdf_BYTES_MAX);
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assert(crypto_kdf_bytes_min() == crypto_kdf_BYTES_MIN);
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assert(crypto_kdf_bytes_max() == crypto_kdf_BYTES_MAX);
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assert(crypto_kdf_CONTEXTBYTES > 0);
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assert(crypto_kdf_contextbytes() == crypto_kdf_CONTEXTBYTES);
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assert(crypto_kdf_KEYBYTES >= 16);
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assert(crypto_kdf_keybytes() == crypto_kdf_KEYBYTES);
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assert(crypto_kdf_bytes_min() == crypto_kdf_blake2b_bytes_min());
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assert(crypto_kdf_bytes_max() == crypto_kdf_blake2b_bytes_max());
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assert(crypto_kdf_contextbytes() == crypto_kdf_blake2b_contextbytes());
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assert(crypto_kdf_keybytes() == crypto_kdf_blake2b_keybytes());
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printf("tv_kdf: ok\n");
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}
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int
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main(void)
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{
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tv_kdf();
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return 0;
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}
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