utest/crypto/hkdf.cpp

9 #include <crypto/hkdf.h>
32     HKDF hkdf;
33     EXPECT_ZX(hkdf.Init(digest::kUninitialized, ikm, salt), ZX_ERR_INVALID_ARGS);
37     EXPECT_ZX(hkdf.Init(digest::kSHA256, ikm, salt), ZX_ERR_INVALID_ARGS);
42     EXPECT_OK(hkdf.Init(digest::kSHA256, ikm, salt));
46     EXPECT_ZX(hkdf.Init(digest::kSHA256, ikm, salt, 0x8000), ZX_ERR_INVALID_ARGS);
49     EXPECT_OK(hkdf.Init(digest::kSHA256, ikm, salt));
58     HKDF hkdf;
65     EXPECT_ZX(hkdf.Derive("init", md_size, &key1), ZX_ERR_INVALID_ARGS);
66     ASSERT_OK(hkdf.Init(digest::kSHA256, ikm, salt));
69     EXPECT_OK(hkdf.Derive(nullptr, md_size, &key1));
70     EXPECT_OK(hkdf.Derive("", md_size, &key1));
73     EXPECT_OK(hkdf.Derive("same", md_size, &key1));
74     EXPECT_OK(hkdf.Derive("same", md_size, &key2));
79     EXPECT_OK(hkdf.Derive("diff", md_size, &key3));
88     HKDF hkdf;
104     EXPECT_OK(hkdf.Init(digest::kSHA256, ikm, salt, HKDF::ALLOW_WEAK_KEY));
105     EXPECT_OK(hkdf.Derive(info, sizeof(expected), &okm));
113     HKDF hkdf;
138     EXPECT_OK(hkdf.Init(digest::kSHA256, ikm, salt));
139     EXPECT_OK(hkdf.Derive(info, sizeof(expected), &okm));
147     HKDF hkdf;
159     EXPECT_OK(hkdf.Init(digest::kSHA256, ikm, salt, HKDF::ALLOW_WEAK_KEY));
160     EXPECT_OK(hkdf.Derive(info, sizeof(expected), &okm));