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329 lines
11 KiB
329 lines
11 KiB
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#define TEST_NAME "secretstream_xchacha20poly1305"
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#include "cmptest.h"
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int
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main(void)
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{
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crypto_secretstream_xchacha20poly1305_state *state, *statesave;
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crypto_secretstream_xchacha20poly1305_state state_copy;
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unsigned char *ad;
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unsigned char *header;
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unsigned char *k;
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unsigned char *c1, *c2, *c3, *csave;
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unsigned char *m1, *m2, *m3;
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unsigned char *m1_, *m2_, *m3_;
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unsigned long long res_len;
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size_t ad_len;
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size_t m1_len, m2_len, m3_len;
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int ret;
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unsigned char tag;
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state = (crypto_secretstream_xchacha20poly1305_state *)
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sodium_malloc(crypto_secretstream_xchacha20poly1305_statebytes());
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statesave = (crypto_secretstream_xchacha20poly1305_state *)
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sodium_malloc(crypto_secretstream_xchacha20poly1305_statebytes());
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header = (unsigned char *)
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sodium_malloc(crypto_secretstream_xchacha20poly1305_HEADERBYTES);
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ad_len = randombytes_uniform(100);
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m1_len = randombytes_uniform(1000);
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m2_len = randombytes_uniform(1000);
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m3_len = randombytes_uniform(1000);
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c1 = (unsigned char *)
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sodium_malloc(m1_len + crypto_secretstream_xchacha20poly1305_ABYTES);
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c2 = (unsigned char *)
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sodium_malloc(m2_len + crypto_secretstream_xchacha20poly1305_ABYTES);
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c3 = (unsigned char *)
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sodium_malloc(m3_len + crypto_secretstream_xchacha20poly1305_ABYTES);
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csave = (unsigned char *)
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sodium_malloc((m1_len | m2_len | m3_len) + crypto_secretstream_xchacha20poly1305_ABYTES);
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ad = (unsigned char *) sodium_malloc(ad_len);
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m1 = (unsigned char *) sodium_malloc(m1_len);
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m2 = (unsigned char *) sodium_malloc(m2_len);
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m3 = (unsigned char *) sodium_malloc(m3_len);
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m1_ = (unsigned char *) sodium_malloc(m1_len);
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m2_ = (unsigned char *) sodium_malloc(m2_len);
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m3_ = (unsigned char *) sodium_malloc(m3_len);
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randombytes_buf(ad, ad_len);
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randombytes_buf(m1, m1_len);
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memcpy(m1_, m1, m1_len);
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randombytes_buf(m2, m2_len);
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memcpy(m2_, m2, m2_len);
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randombytes_buf(m3, m3_len);
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memcpy(m3_, m3, m3_len);
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k = (unsigned char *)
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sodium_malloc(crypto_secretstream_xchacha20poly1305_KEYBYTES);
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crypto_secretstream_xchacha20poly1305_keygen(k);
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/* push */
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ret = crypto_secretstream_xchacha20poly1305_init_push(state, header, k);
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assert(ret == 0);
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ret = crypto_secretstream_xchacha20poly1305_push
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(state, c1, &res_len, m1, m1_len, NULL, 0, 0);
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assert(ret == 0);
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assert(res_len == m1_len + crypto_secretstream_xchacha20poly1305_ABYTES);
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ret = crypto_secretstream_xchacha20poly1305_push
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(state, c2, NULL, m2, m2_len, ad, 0, 0);
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assert(ret == 0);
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ret = crypto_secretstream_xchacha20poly1305_push
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(state, c3, NULL, m3, m3_len, ad, ad_len,
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crypto_secretstream_xchacha20poly1305_TAG_FINAL);
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assert(ret == 0);
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/* pull */
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ret = crypto_secretstream_xchacha20poly1305_init_pull(state, header, k);
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assert(ret == 0);
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ret = crypto_secretstream_xchacha20poly1305_pull
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(state, m1, &res_len, &tag,
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c1, m1_len + crypto_secretstream_xchacha20poly1305_ABYTES, NULL, 0);
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assert(ret == 0);
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assert(tag == 0);
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assert(memcmp(m1, m1_, m1_len) == 0);
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assert(res_len == m1_len);
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ret = crypto_secretstream_xchacha20poly1305_pull
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(state, m2, NULL, &tag,
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c2, m2_len + crypto_secretstream_xchacha20poly1305_ABYTES, NULL, 0);
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assert(ret == 0);
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assert(tag == 0);
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assert(memcmp(m2, m2_, m2_len) == 0);
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if (ad_len > 0) {
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ret = crypto_secretstream_xchacha20poly1305_pull
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(state, m3, NULL, &tag,
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c3, m3_len + crypto_secretstream_xchacha20poly1305_ABYTES, NULL, 0);
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assert(ret == -1);
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}
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ret = crypto_secretstream_xchacha20poly1305_pull
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(state, m3, NULL, &tag,
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c3, m3_len + crypto_secretstream_xchacha20poly1305_ABYTES, ad, ad_len);
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assert(ret == 0);
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assert(tag == crypto_secretstream_xchacha20poly1305_TAG_FINAL);
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assert(memcmp(m3, m3_, m3_len) == 0);
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/* previous with FINAL tag */
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ret = crypto_secretstream_xchacha20poly1305_pull
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(state, m3, NULL, &tag,
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c3, m3_len + crypto_secretstream_xchacha20poly1305_ABYTES, ad, ad_len);
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assert(ret == -1);
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/* previous without a tag */
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ret = crypto_secretstream_xchacha20poly1305_pull
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(state, m2, NULL, &tag,
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c2, m2_len + crypto_secretstream_xchacha20poly1305_ABYTES, NULL, 0);
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assert(ret == -1);
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/* short ciphertext */
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ret = crypto_secretstream_xchacha20poly1305_pull
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(state, m2, NULL, &tag, c2,
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randombytes_uniform(crypto_secretstream_xchacha20poly1305_ABYTES),
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NULL, 0);
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assert(ret == -1);
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ret = crypto_secretstream_xchacha20poly1305_pull
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(state, m2, NULL, &tag, c2, 0, NULL, 0);
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assert(ret == -1);
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/* empty ciphertext */
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ret = crypto_secretstream_xchacha20poly1305_pull
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(state, m2, NULL, &tag, c2,
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crypto_secretstream_xchacha20poly1305_ABYTES, NULL, 0);
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assert(ret == -1);
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/* without explicit rekeying */
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ret = crypto_secretstream_xchacha20poly1305_init_push(state, header, k);
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assert(ret == 0);
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ret = crypto_secretstream_xchacha20poly1305_push
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(state, c1, NULL, m1, m1_len, NULL, 0, 0);
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assert(ret == 0);
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ret = crypto_secretstream_xchacha20poly1305_push
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(state, c2, NULL, m2, m2_len, NULL, 0, 0);
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assert(ret == 0);
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ret = crypto_secretstream_xchacha20poly1305_init_pull(state, header, k);
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assert(ret == 0);
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ret = crypto_secretstream_xchacha20poly1305_pull
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(state, m1, NULL, &tag,
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c1, m1_len + crypto_secretstream_xchacha20poly1305_ABYTES, NULL, 0);
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assert(ret == 0);
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ret = crypto_secretstream_xchacha20poly1305_pull
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(state, m2, NULL, &tag,
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c2, m2_len + crypto_secretstream_xchacha20poly1305_ABYTES, NULL, 0);
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assert(ret == 0);
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/* with explicit rekeying */
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ret = crypto_secretstream_xchacha20poly1305_init_push(state, header, k);
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assert(ret == 0);
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ret = crypto_secretstream_xchacha20poly1305_push
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(state, c1, NULL, m1, m1_len, NULL, 0, 0);
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assert(ret == 0);
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crypto_secretstream_xchacha20poly1305_rekey(state);
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ret = crypto_secretstream_xchacha20poly1305_push
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(state, c2, NULL, m2, m2_len, NULL, 0, 0);
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assert(ret == 0);
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ret = crypto_secretstream_xchacha20poly1305_init_pull(state, header, k);
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assert(ret == 0);
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ret = crypto_secretstream_xchacha20poly1305_pull
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(state, m1, NULL, &tag,
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c1, m1_len + crypto_secretstream_xchacha20poly1305_ABYTES, NULL, 0);
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assert(ret == 0);
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ret = crypto_secretstream_xchacha20poly1305_pull
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(state, m2, NULL, &tag,
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c2, m2_len + crypto_secretstream_xchacha20poly1305_ABYTES, NULL, 0);
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assert(ret == -1);
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crypto_secretstream_xchacha20poly1305_rekey(state);
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ret = crypto_secretstream_xchacha20poly1305_pull
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(state, m2, NULL, &tag,
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c2, m2_len + crypto_secretstream_xchacha20poly1305_ABYTES, NULL, 0);
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assert(ret == 0);
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/* with explicit rekeying using TAG_REKEY */
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ret = crypto_secretstream_xchacha20poly1305_init_push(state, header, k);
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assert(ret == 0);
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memcpy(statesave, state, sizeof *state);
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ret = crypto_secretstream_xchacha20poly1305_push
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(state, c1, NULL, m1, m1_len, NULL, 0, crypto_secretstream_xchacha20poly1305_TAG_REKEY);
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assert(ret == 0);
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ret = crypto_secretstream_xchacha20poly1305_push
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(state, c2, NULL, m2, m2_len, NULL, 0, 0);
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assert(ret == 0);
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memcpy(csave, c2, m2_len + crypto_secretstream_xchacha20poly1305_ABYTES);
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ret = crypto_secretstream_xchacha20poly1305_init_pull(state, header, k);
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assert(ret == 0);
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ret = crypto_secretstream_xchacha20poly1305_pull
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(state, m1, NULL, &tag,
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c1, m1_len + crypto_secretstream_xchacha20poly1305_ABYTES, &tag, 0);
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assert(ret == 0);
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assert(tag == crypto_secretstream_xchacha20poly1305_TAG_REKEY);
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ret = crypto_secretstream_xchacha20poly1305_pull
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(state, m2, NULL, &tag,
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c2, m2_len + crypto_secretstream_xchacha20poly1305_ABYTES, &tag, 0);
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assert(ret == 0);
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assert(tag == 0);
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memcpy(state, statesave, sizeof *state);
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ret = crypto_secretstream_xchacha20poly1305_push
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(state, c1, NULL, m1, m1_len, NULL, 0, 0);
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assert(ret == 0);
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ret = crypto_secretstream_xchacha20poly1305_push
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(state, c2, NULL, m2, m2_len, NULL, 0, 0);
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assert(ret == 0);
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assert(memcmp(csave, c2, m2_len + crypto_secretstream_xchacha20poly1305_ABYTES) != 0);
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/* New stream */
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ret = crypto_secretstream_xchacha20poly1305_init_push(state, header, k);
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assert(ret == 0);
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ret = crypto_secretstream_xchacha20poly1305_push
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(state, c1, &res_len, m1, m1_len, NULL, 0,
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crypto_secretstream_xchacha20poly1305_TAG_PUSH);
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assert(ret == 0);
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assert(res_len == m1_len + crypto_secretstream_xchacha20poly1305_ABYTES);
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/* Force a counter overflow, check that the key has been updated
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* even though the tag was not changed to REKEY */
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memset(state->nonce, 0xff, 4U);
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state_copy = *state;
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ret = crypto_secretstream_xchacha20poly1305_push
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(state, c2, NULL, m2, m2_len, ad, 0, 0);
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assert(ret == 0);
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assert(memcmp(state_copy.k, state->k, sizeof state->k) != 0);
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assert(memcmp(state_copy.nonce, state->nonce, sizeof state->nonce) != 0);
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assert(state->nonce[0] == 1U);
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assert(sodium_is_zero(state->nonce + 1, 3U));
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ret = crypto_secretstream_xchacha20poly1305_init_pull(state, header, k);
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assert(ret == 0);
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ret = crypto_secretstream_xchacha20poly1305_pull
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(state, m1, &res_len, &tag,
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c1, m1_len + crypto_secretstream_xchacha20poly1305_ABYTES, NULL, 0);
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assert(ret == 0);
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assert(tag == crypto_secretstream_xchacha20poly1305_TAG_PUSH);
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assert(memcmp(m1, m1_, m1_len) == 0);
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assert(res_len == m1_len);
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memset(state->nonce, 0xff, 4U);
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ret = crypto_secretstream_xchacha20poly1305_pull
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(state, m2, NULL, &tag,
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c2, m2_len + crypto_secretstream_xchacha20poly1305_ABYTES, NULL, 0);
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assert(ret == 0);
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assert(tag == 0);
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assert(memcmp(m2, m2_, m2_len) == 0);
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sodium_free(m3_);
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sodium_free(m2_);
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sodium_free(m1_);
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sodium_free(m3);
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sodium_free(m2);
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sodium_free(m1);
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sodium_free(ad);
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sodium_free(csave);
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sodium_free(c3);
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sodium_free(c2);
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sodium_free(c1);
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sodium_free(k);
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sodium_free(header);
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sodium_free(statesave);
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sodium_free(state);
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assert(crypto_secretstream_xchacha20poly1305_abytes() ==
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crypto_secretstream_xchacha20poly1305_ABYTES);
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assert(crypto_secretstream_xchacha20poly1305_headerbytes() ==
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crypto_secretstream_xchacha20poly1305_HEADERBYTES);
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assert(crypto_secretstream_xchacha20poly1305_keybytes() ==
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crypto_secretstream_xchacha20poly1305_KEYBYTES);
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assert(crypto_secretstream_xchacha20poly1305_messagebytes_max() ==
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crypto_secretstream_xchacha20poly1305_MESSAGEBYTES_MAX);
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assert(crypto_secretstream_xchacha20poly1305_tag_message() ==
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crypto_secretstream_xchacha20poly1305_TAG_MESSAGE);
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assert(crypto_secretstream_xchacha20poly1305_tag_push() ==
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crypto_secretstream_xchacha20poly1305_TAG_PUSH);
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assert(crypto_secretstream_xchacha20poly1305_tag_rekey() ==
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crypto_secretstream_xchacha20poly1305_TAG_REKEY);
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assert(crypto_secretstream_xchacha20poly1305_tag_final() ==
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crypto_secretstream_xchacha20poly1305_TAG_FINAL);
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printf("OK\n");
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return 0;
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}
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