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hkdf: Add tests for extract and expand

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Add tests for mbedtls_hkdf_extract() and mbedtls_hkdf_expand() from the
test vectors in Appendix A of RFC 5869.
This commit is contained in:
Jaeden Amero 2018-05-23 18:55:47 +01:00
parent 798363e4dc
commit 3618962cab
2 changed files with 127 additions and 0 deletions
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56
tests/suites/test_suite_hkdf.data
View File

@ -25,3 +25,59 @@ test_hkdf:4:"0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b":"":"":"0ac1af7002b3d7
HKDF RFC5869 Test Vector #7
depends_on:MBEDTLS_SHA1_C
test_hkdf:4:"0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c":"":"":"2c91117204d745f3500d636a62f64f0ab3bae548aa53d423b0d1f27ebba6f5e5673a081d70cce7acfc48"
HKDF RFC5869 Test Vector #1 Extract
depends_on:MBEDTLS_SHA256_C
test_hkdf_extract:6:"0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b":"000102030405060708090a0b0c":"077709362c2e32df0ddc3f0dc47bba6390b6c73bb50f9c3122ec844ad7c2b3e5"
HKDF RFC5869 Test Vector #2 Extract
depends_on:MBEDTLS_SHA256_C
test_hkdf_extract:6:"000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f303132333435363738393a3b3c3d3e3f404142434445464748494a4b4c4d4e4f":"606162636465666768696a6b6c6d6e6f707172737475767778797a7b7c7d7e7f808182838485868788898a8b8c8d8e8f909192939495969798999a9b9c9d9e9fa0a1a2a3a4a5a6a7a8a9aaabacadaeaf":"06a6b88c5853361a06104c9ceb35b45cef760014904671014a193f40c15fc244"
HKDF RFC5869 Test Vector #3 Extract
depends_on:MBEDTLS_SHA256_C
test_hkdf_extract:6:"0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b":"":"19ef24a32c717b167f33a91d6f648bdf96596776afdb6377ac434c1c293ccb04"
HKDF RFC5869 Test Vector #4 Extract
depends_on:MBEDTLS_SHA1_C
test_hkdf_extract:4:"0b0b0b0b0b0b0b0b0b0b0b":"000102030405060708090a0b0c":"9b6c18c432a7bf8f0e71c8eb88f4b30baa2ba243"
HKDF RFC5869 Test Vector #5 Extract
depends_on:MBEDTLS_SHA1_C
test_hkdf_extract:4:"000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f303132333435363738393a3b3c3d3e3f404142434445464748494a4b4c4d4e4f":"606162636465666768696a6b6c6d6e6f707172737475767778797a7b7c7d7e7f808182838485868788898a8b8c8d8e8f909192939495969798999a9b9c9d9e9fa0a1a2a3a4a5a6a7a8a9aaabacadaeaf":"8adae09a2a307059478d309b26c4115a224cfaf6"
HKDF RFC5869 Test Vector #6 Extract
depends_on:MBEDTLS_SHA1_C
test_hkdf_extract:4:"0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b":"":"da8c8a73c7fa77288ec6f5e7c297786aa0d32d01"
HKDF RFC5869 Test Vector #7 Extract
depends_on:MBEDTLS_SHA1_C
test_hkdf_extract:4:"0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c":"":"2adccada18779e7c2077ad2eb19d3f3e731385dd"
HKDF RFC5869 Test Vector #1 Expand
depends_on:MBEDTLS_SHA256_C
test_hkdf_expand:6:"f0f1f2f3f4f5f6f7f8f9":"077709362c2e32df0ddc3f0dc47bba6390b6c73bb50f9c3122ec844ad7c2b3e5":"3cb25f25faacd57a90434f64d0362f2a2d2d0a90cf1a5a4c5db02d56ecc4c5bf34007208d5b887185865"
HKDF RFC5869 Test Vector #2 Expand
depends_on:MBEDTLS_SHA256_C
test_hkdf_expand:6:"b0b1b2b3b4b5b6b7b8b9babbbcbdbebfc0c1c2c3c4c5c6c7c8c9cacbcccdcecfd0d1d2d3d4d5d6d7d8d9dadbdcdddedfe0e1e2e3e4e5e6e7e8e9eaebecedeeeff0f1f2f3f4f5f6f7f8f9fafbfcfdfeff":"06a6b88c5853361a06104c9ceb35b45cef760014904671014a193f40c15fc244":"b11e398dc80327a1c8e7f78c596a49344f012eda2d4efad8a050cc4c19afa97c59045a99cac7827271cb41c65e590e09da3275600c2f09b8367793a9aca3db71cc30c58179ec3e87c14c01d5c1f3434f1d87"
HKDF RFC5869 Test Vector #3 Expand
depends_on:MBEDTLS_SHA256_C
test_hkdf_expand:6:"":"19ef24a32c717b167f33a91d6f648bdf96596776afdb6377ac434c1c293ccb04":"8da4e775a563c18f715f802a063c5a31b8a11f5c5ee1879ec3454e5f3c738d2d9d201395faa4b61a96c8"
HKDF RFC5869 Test Vector #4 Expand
depends_on:MBEDTLS_SHA1_C
test_hkdf_expand:4:"f0f1f2f3f4f5f6f7f8f9":"9b6c18c432a7bf8f0e71c8eb88f4b30baa2ba243":"085a01ea1b10f36933068b56efa5ad81a4f14b822f5b091568a9cdd4f155fda2c22e422478d305f3f896"
HKDF RFC5869 Test Vector #5 Expand
depends_on:MBEDTLS_SHA1_C
test_hkdf_expand:4:"b0b1b2b3b4b5b6b7b8b9babbbcbdbebfc0c1c2c3c4c5c6c7c8c9cacbcccdcecfd0d1d2d3d4d5d6d7d8d9dadbdcdddedfe0e1e2e3e4e5e6e7e8e9eaebecedeeeff0f1f2f3f4f5f6f7f8f9fafbfcfdfeff":"8adae09a2a307059478d309b26c4115a224cfaf6":"0bd770a74d1160f7c9f12cd5912a06ebff6adcae899d92191fe4305673ba2ffe8fa3f1a4e5ad79f3f334b3b202b2173c486ea37ce3d397ed034c7f9dfeb15c5e927336d0441f4c4300e2cff0d0900b52d3b4"
HKDF RFC5869 Test Vector #6 Expand
depends_on:MBEDTLS_SHA1_C
test_hkdf_expand:4:"":"da8c8a73c7fa77288ec6f5e7c297786aa0d32d01":"0ac1af7002b3d761d1e55298da9d0506b9ae52057220a306e07b6b87e8df21d0ea00033de03984d34918"
HKDF RFC5869 Test Vector #7 Expand
depends_on:MBEDTLS_SHA1_C
test_hkdf_expand:4:"":"2adccada18779e7c2077ad2eb19d3f3e731385dd":"2c91117204d745f3500d636a62f64f0ab3bae548aa53d423b0d1f27ebba6f5e5673a081d70cce7acfc48"

71
tests/suites/test_suite_hkdf.function
View File

@ -37,3 +37,74 @@ void test_hkdf( int md_alg, char *hex_ikm_string, char *hex_salt_string,
TEST_ASSERT( !strcmp( (char *)okm_string, hex_okm_string ) );
}
/* END_CASE */
/* BEGIN_CASE */
void test_hkdf_extract( int md_alg, char *hex_ikm_string,
char *hex_salt_string, char *hex_prk_string )
{
int ret;
unsigned char *ikm = NULL;
unsigned char *salt = NULL;
unsigned char *prk = NULL;
unsigned char *output_prk = NULL;
size_t ikm_len, salt_len, prk_len, output_prk_len;
const mbedtls_md_info_t *md = mbedtls_md_info_from_type( md_alg );
TEST_ASSERT( md != NULL );
output_prk_len = mbedtls_md_get_size( md );
output_prk = mbedtls_calloc( 1, output_prk_len );
ikm = unhexify_alloc( hex_ikm_string, &ikm_len );
salt = unhexify_alloc( hex_salt_string, &salt_len );
prk = unhexify_alloc( hex_prk_string, &prk_len );
TEST_ASSERT( prk_len == output_prk_len );
ret = mbedtls_hkdf_extract( md, salt, salt_len, ikm, ikm_len, output_prk );
TEST_ASSERT( ret == 0 );
TEST_ASSERT( !memcmp( output_prk, prk, prk_len ) );
exit:
mbedtls_free(ikm);
mbedtls_free(salt);
mbedtls_free(prk);
mbedtls_free(output_prk);
}
/* END_CASE */
/* BEGIN_CASE */
void test_hkdf_expand( int md_alg, char *hex_info_string,
char *hex_prk_string, char *hex_okm_string )
{
enum { OKM_LEN = 1024 };
int ret;
unsigned char *info = NULL;
unsigned char *prk = NULL;
unsigned char *okm = NULL;
unsigned char *output_okm = NULL;
size_t info_len, prk_len, okm_len;
const mbedtls_md_info_t *md = mbedtls_md_info_from_type( md_alg );
TEST_ASSERT( md != NULL );
output_okm = mbedtls_calloc( OKM_LEN, 1 );
prk = unhexify_alloc( hex_prk_string, &prk_len );
info = unhexify_alloc( hex_info_string, &info_len );
okm = unhexify_alloc( hex_okm_string, &okm_len );
TEST_ASSERT( prk_len == mbedtls_md_get_size( md ) );
TEST_ASSERT( okm_len < OKM_LEN );
ret = mbedtls_hkdf_expand( md, prk, prk_len, info, info_len,
output_okm, OKM_LEN );
TEST_ASSERT( ret == 0 );
TEST_ASSERT( !memcmp( output_okm, okm, okm_len ) );
exit:
mbedtls_free(info);
mbedtls_free(prk);
mbedtls_free(okm);
mbedtls_free(output_okm);
}
/* END_CASE */