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chachapoly: add test for parameter validation

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Also fix two bugs found by the new tests.

Also remove redundant test case dependency declarations while at it.
This commit is contained in:
Manuel Pégourié-Gonnard 2018-05-10 10:39:32 +02:00
parent a8fa8b8f96
commit 59d2c30eba
3 changed files with 161 additions and 12 deletions
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5
library/chachapoly.c
View File

@ -202,7 +202,7 @@ int mbedtls_chachapoly_update( mbedtls_chachapoly_context *ctx,
const unsigned char *input,
unsigned char *output )
{
if ( ( ctx == NULL ) || ( input == NULL ) || ( output == NULL ) )
if ( ctx == NULL )
{
return( MBEDTLS_ERR_CHACHAPOLY_BAD_INPUT_DATA );
}
@ -339,6 +339,9 @@ int mbedtls_chachapoly_auth_decrypt( mbedtls_chachapoly_context *ctx,
size_t i;
int diff;
if( tag == NULL )
return( MBEDTLS_ERR_CHACHAPOLY_BAD_INPUT_DATA );
if( ( ret = mbedtls_chachapoly_crypt_and_tag( ctx,
MBEDTLS_CHACHAPOLY_DECRYPT, length, nonce,
aad, aad_len, input, output, check_tag ) ) != 0 )

11
tests/suites/test_suite_chachapoly.data
View File

@ -1,27 +1,24 @@
ChaCha20-Poly1305 RFC 7539 Example and Test Vector (Encrypt)
depends_on:MBEDTLS_CHACHAPOLY_C
mbedtls_chachapoly_enc:"808182838485868788898a8b8c8d8e8f909192939495969798999a9b9c9d9e9f":"070000004041424344454647":"50515253c0c1c2c3c4c5c6c7":"4c616469657320616e642047656e746c656d656e206f662074686520636c617373206f66202739393a204966204920636f756c64206f6666657220796f75206f6e6c79206f6e652074697020666f7220746865206675747572652c2073756e73637265656e20776f756c642062652069742e":"d31a8d34648e60db7b86afbc53ef7ec2a4aded51296e08fea9e2b5a736ee62d63dbea45e8ca9671282fafb69da92728b1a71de0a9e060b2905d6a5b67ecd3b3692ddbd7f2d778b8c9803aee328091b58fab324e4fad675945585808b4831d7bc3ff4def08e4b7a9de576d26586cec64b6116":"1ae10b594f09e26a7e902ecbd0600691"
ChaCha20-Poly1305 RFC 7539 Example and Test Vector (Decrypt)
depends_on:MBEDTLS_CHACHAPOLY_C
mbedtls_chachapoly_dec:"808182838485868788898a8b8c8d8e8f909192939495969798999a9b9c9d9e9f":"070000004041424344454647":"50515253c0c1c2c3c4c5c6c7":"d31a8d34648e60db7b86afbc53ef7ec2a4aded51296e08fea9e2b5a736ee62d63dbea45e8ca9671282fafb69da92728b1a71de0a9e060b2905d6a5b67ecd3b3692ddbd7f2d778b8c9803aee328091b58fab324e4fad675945585808b4831d7bc3ff4def08e4b7a9de576d26586cec64b6116":"4c616469657320616e642047656e746c656d656e206f662074686520636c617373206f66202739393a204966204920636f756c64206f6666657220796f75206f6e6c79206f6e652074697020666f7220746865206675747572652c2073756e73637265656e20776f756c642062652069742e":"1ae10b594f09e26a7e902ecbd0600691":0
ChaCha20-Poly1305 RFC 7539 Example and Test Vector (Decrypt, not authentic)
depends_on:MBEDTLS_CHACHAPOLY_C
mbedtls_chachapoly_dec:"808182838485868788898a8b8c8d8e8f909192939495969798999a9b9c9d9e9f":"070000004041424344454647":"50515253c0c1c2c3c4c5c6c7":"d31a8d34648e60db7b86afbc53ef7ec2a4aded51296e08fea9e2b5a736ee62d63dbea45e8ca9671282fafb69da92728b1a71de0a9e060b2905d6a5b67ecd3b3692ddbd7f2d778b8c9803aee328091b58fab324e4fad675945585808b4831d7bc3ff4def08e4b7a9de576d26586cec64b6116":"4c616469657320616e642047656e746c656d656e206f662074686520636c617373206f66202739393a204966204920636f756c64206f6666657220796f75206f6e6c79206f6e652074697020666f7220746865206675747572652c2073756e73637265656e20776f756c642062652069742e":"1ae10b594f09e26a7e902ecbd0600690":MBEDTLS_ERR_CHACHAPOLY_AUTH_FAILED
ChaCha20-Poly1305 RFC 7539 Test Vector #1 (Encrypt)
depends_on:MBEDTLS_CHACHAPOLY_C
mbedtls_chachapoly_enc:"1c9240a5eb55d38af333888604f6b5f0473917c1402b80099dca5cbc207075c0":"000000000102030405060708":"f33388860000000000004e91":"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":"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":"eead9d67890cbb22392336fea1851f38"
ChaCha20-Poly1305 RFC 7539 Test Vector #1 (Decrypt)
depends_on:MBEDTLS_CHACHAPOLY_C
mbedtls_chachapoly_dec:"1c9240a5eb55d38af333888604f6b5f0473917c1402b80099dca5cbc207075c0":"000000000102030405060708":"f33388860000000000004e91":"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":"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":"eead9d67890cbb22392336fea1851f38":0
ChaCha20-Poly1305 RFC 7539 Test Vector #1 (Decrypt, not authentic)
depends_on:MBEDTLS_CHACHAPOLY_C
mbedtls_chachapoly_dec:"1c9240a5eb55d38af333888604f6b5f0473917c1402b80099dca5cbc207075c0":"000000000102030405060708":"f33388860000000000004e91":"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":"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":"fead9d67890cbb22392336fea1851f38":MBEDTLS_ERR_CHACHAPOLY_AUTH_FAILED
ChaCha20-Poly1305 Parameter Validation
chachapoly_bad_params:
ChaCha20-Poly1305 Selftest
depends_on:MBEDTLS_CHACHAPOLY_C:MBEDTLS_SELF_TEST
depends_on:MBEDTLS_SELF_TEST
chachapoly_selftest:

157
tests/suites/test_suite_chachapoly.function
View File

@ -46,13 +46,13 @@ void mbedtls_chachapoly_enc( char *hex_key_string, char *hex_nonce_string, char
mbedtls_chachapoly_init( &ctx );
mbedtls_chachapoly_setkey( &ctx, key_str );
TEST_ASSERT( mbedtls_chachapoly_setkey( &ctx, key_str ) == 0 );
mbedtls_chachapoly_crypt_and_tag( &ctx,
TEST_ASSERT( mbedtls_chachapoly_crypt_and_tag( &ctx,
MBEDTLS_CHACHAPOLY_ENCRYPT,
input_len, nonce_str,
aad_str, aad_len,
input_str, output, mac );
input_str, output, mac ) == 0 );
TEST_ASSERT( memcmp( output_str, output, output_len ) == 0 );
TEST_ASSERT( memcmp( mac_str, mac, 16U ) == 0 );
@ -101,7 +101,7 @@ void mbedtls_chachapoly_dec( char *hex_key_string, char *hex_nonce_string, char
mbedtls_chachapoly_init( &ctx );
mbedtls_chachapoly_setkey( &ctx, key_str );
TEST_ASSERT( mbedtls_chachapoly_setkey( &ctx, key_str ) == 0 );
ret = mbedtls_chachapoly_auth_decrypt( &ctx,
input_len, nonce_str,
@ -119,6 +119,155 @@ exit:
}
/* END_CASE */
/* BEGIN_CASE */
void chachapoly_bad_params()
{
unsigned char key[32];
unsigned char nonce[12];
unsigned char aad[1];
unsigned char input[1];
unsigned char output[1];
unsigned char mac[16];
size_t input_len = sizeof( input );
size_t aad_len = sizeof( aad );
mbedtls_chachapoly_context ctx;
memset( key, 0x00, sizeof( key ) );
memset( nonce, 0x00, sizeof( nonce ) );
memset( aad, 0x00, sizeof( aad ) );
memset( input, 0x00, sizeof( input ) );
memset( output, 0x00, sizeof( output ) );
memset( mac, 0x00, sizeof( mac ) );
mbedtls_chachapoly_init( NULL );
mbedtls_chachapoly_free( NULL );
mbedtls_chachapoly_init( &ctx );
TEST_ASSERT( mbedtls_chachapoly_setkey( NULL, key )
== MBEDTLS_ERR_CHACHAPOLY_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_chachapoly_setkey( &ctx, NULL )
== MBEDTLS_ERR_CHACHAPOLY_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_chachapoly_crypt_and_tag( NULL,
MBEDTLS_CHACHAPOLY_ENCRYPT,
0, nonce,
aad, 0,
input, output, mac )
== MBEDTLS_ERR_CHACHAPOLY_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_chachapoly_crypt_and_tag( &ctx,
MBEDTLS_CHACHAPOLY_ENCRYPT,
0, NULL,
aad, 0,
input, output, mac )
== MBEDTLS_ERR_CHACHAPOLY_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_chachapoly_crypt_and_tag( &ctx,
MBEDTLS_CHACHAPOLY_ENCRYPT,
0, nonce,
NULL, aad_len,
input, output, mac )
== MBEDTLS_ERR_CHACHAPOLY_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_chachapoly_crypt_and_tag( &ctx,
MBEDTLS_CHACHAPOLY_ENCRYPT,
input_len, nonce,
aad, 0,
NULL, output, mac )
== MBEDTLS_ERR_CHACHAPOLY_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_chachapoly_crypt_and_tag( &ctx,
MBEDTLS_CHACHAPOLY_ENCRYPT,
input_len, nonce,
aad, 0,
input, NULL, mac )
== MBEDTLS_ERR_CHACHAPOLY_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_chachapoly_crypt_and_tag( &ctx,
MBEDTLS_CHACHAPOLY_ENCRYPT,
0, nonce,
aad, 0,
input, output, NULL )
== MBEDTLS_ERR_CHACHAPOLY_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_chachapoly_auth_decrypt( NULL,
0, nonce,
aad, 0,
mac, input, output )
== MBEDTLS_ERR_CHACHAPOLY_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_chachapoly_auth_decrypt( &ctx,
0, NULL,
aad, 0,
mac, input, output )
== MBEDTLS_ERR_CHACHAPOLY_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_chachapoly_auth_decrypt( &ctx,
0, nonce,
NULL, aad_len,
mac, input, output )
== MBEDTLS_ERR_CHACHAPOLY_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_chachapoly_auth_decrypt( &ctx,
0, nonce,
aad, 0,
NULL, input, output )
== MBEDTLS_ERR_CHACHAPOLY_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_chachapoly_auth_decrypt( &ctx,
input_len, nonce,
aad, 0,
mac, NULL, output )
== MBEDTLS_ERR_CHACHAPOLY_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_chachapoly_auth_decrypt( &ctx,
input_len, nonce,
aad, 0,
mac, input, NULL )
== MBEDTLS_ERR_CHACHAPOLY_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_chachapoly_crypt_and_tag( &ctx,
MBEDTLS_CHACHAPOLY_ENCRYPT,
0, nonce,
aad, aad_len,
NULL, NULL, mac )
== 0 );
TEST_ASSERT( mbedtls_chachapoly_auth_decrypt( &ctx,
0, nonce,
aad, aad_len,
mac, NULL, NULL )
== 0 );
TEST_ASSERT( mbedtls_chachapoly_crypt_and_tag( &ctx,
MBEDTLS_CHACHAPOLY_ENCRYPT,
input_len, nonce,
NULL, 0,
input, output, mac )
== 0 );
TEST_ASSERT( mbedtls_chachapoly_auth_decrypt( &ctx,
input_len, nonce,
NULL, 0,
mac, input, output )
== 0 );
TEST_ASSERT( mbedtls_chachapoly_starts( NULL, nonce, MBEDTLS_CHACHAPOLY_ENCRYPT )
== MBEDTLS_ERR_CHACHAPOLY_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_chachapoly_starts( &ctx, NULL, MBEDTLS_CHACHAPOLY_ENCRYPT )
== MBEDTLS_ERR_CHACHAPOLY_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_chachapoly_update_aad( NULL, aad, aad_len )
== MBEDTLS_ERR_CHACHAPOLY_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_chachapoly_update_aad( &ctx, NULL, aad_len )
== MBEDTLS_ERR_CHACHAPOLY_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_chachapoly_update( NULL, input_len, input, output )
== MBEDTLS_ERR_CHACHAPOLY_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_chachapoly_update( &ctx, input_len, NULL, output )
== MBEDTLS_ERR_CHACHAPOLY_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_chachapoly_update( &ctx, input_len, input, NULL )
== MBEDTLS_ERR_CHACHAPOLY_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_chachapoly_finish( NULL, mac )
== MBEDTLS_ERR_CHACHAPOLY_BAD_INPUT_DATA );
TEST_ASSERT( mbedtls_chachapoly_finish( &ctx, NULL )
== MBEDTLS_ERR_CHACHAPOLY_BAD_INPUT_DATA );
exit:
mbedtls_chachapoly_free( &ctx );
}
/* END_CASE */
/* BEGIN_CASE depends_on:MBEDTLS_SELF_TEST */
void chachapoly_selftest()
{