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Specify padding granularity in TLS 1.3 record protection KATs

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Still check that encryption and decryption are inverse to each other
if the granularity does not match the one used in the KAT.

Signed-off-by: Hanno Becker <hanno.becker@arm.com>
This commit is contained in:
Hanno Becker 2021-08-01 19:18:28 +01:00
parent dfba065d80
commit 1f91878281
2 changed files with 21 additions and 8 deletions
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12
tests/suites/test_suite_ssl.data
View file

@ -6028,7 +6028,8 @@ SSL TLS 1.3 Record Encryption, tls13.ulfheim.net Example #1
# - Client App IV: bc4dd5f7b98acff85466261d
# - App data payload: 70696e67
# - Complete record: 1703030015c74061535eb12f5f25a781957874742ab7fb305dd5
ssl_tls1_3_record_protection:MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256:MBEDTLS_SSL_IS_CLIENT:0:"0b6d22c8ff68097ea871c672073773bf":"1b13dd9f8d8f17091d34b349":"49134b95328f279f0183860589ac6707":"bc4dd5f7b98acff85466261d":"70696e67":"c74061535eb12f5f25a781957874742ab7fb305dd5"
# - Padding used: No (== granularity 1)
ssl_tls1_3_record_protection:MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256:MBEDTLS_SSL_IS_CLIENT:0:1:"0b6d22c8ff68097ea871c672073773bf":"1b13dd9f8d8f17091d34b349":"49134b95328f279f0183860589ac6707":"bc4dd5f7b98acff85466261d":"70696e67":"c74061535eb12f5f25a781957874742ab7fb305dd5"
SSL TLS 1.3 Record Encryption, tls13.ulfheim.net Example #2
# - Server App Key: 0b6d22c8ff68097ea871c672073773bf
@ -6037,7 +6038,8 @@ SSL TLS 1.3 Record Encryption, tls13.ulfheim.net Example #2
# - Client App IV: bc4dd5f7b98acff85466261d
# - App data payload: 706f6e67
# - Complete record: 1703030015370e5f168afa7fb16b663ecdfca3dbb81931a90ca7
ssl_tls1_3_record_protection:MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256:MBEDTLS_SSL_IS_SERVER:1:"0b6d22c8ff68097ea871c672073773bf":"1b13dd9f8d8f17091d34b349":"49134b95328f279f0183860589ac6707":"bc4dd5f7b98acff85466261d":"706f6e67":"370e5f168afa7fb16b663ecdfca3dbb81931a90ca7"
# - Padding used: No (== granularity 1)
ssl_tls1_3_record_protection:MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256:MBEDTLS_SSL_IS_SERVER:1:1:"0b6d22c8ff68097ea871c672073773bf":"1b13dd9f8d8f17091d34b349":"49134b95328f279f0183860589ac6707":"bc4dd5f7b98acff85466261d":"706f6e67":"370e5f168afa7fb16b663ecdfca3dbb81931a90ca7"
SSL TLS 1.3 Record Encryption RFC 8448 Example #1
# Application Data record sent by Client in 1-RTT example of RFC 8448, Section 3
@ -6054,7 +6056,8 @@ SSL TLS 1.3 Record Encryption RFC 8448 Example #1
# 2b 98 19 a8 a5 b4 6b 39 5b d5 4a 9a 20 44 1e 2b
# 62 97 4e 1f 5a 62 92 a2 97 70 14 bd 1e 3d ea e6
# 3a ee bb 21 69 49 15 e4
ssl_tls1_3_record_protection:MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256:MBEDTLS_SSL_IS_CLIENT:0:"9f02283b6c9c07efc26bb9f2ac92e356":"cf782b88dd83549aadf1e984":"17422dda596ed5d9acd890e3c63f5051":"5b78923dee08579033e523d9":"000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f3031":"a23f7054b62c94d0affafe8228ba55cbefacea42f914aa66bcab3f2b9819a8a5b46b395bd54a9a20441e2b62974e1f5a6292a2977014bd1e3deae63aeebb21694915e4"
# - Padding used: No (== granularity 1)
ssl_tls1_3_record_protection:MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256:MBEDTLS_SSL_IS_CLIENT:0:1:"9f02283b6c9c07efc26bb9f2ac92e356":"cf782b88dd83549aadf1e984":"17422dda596ed5d9acd890e3c63f5051":"5b78923dee08579033e523d9":"000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f3031":"a23f7054b62c94d0affafe8228ba55cbefacea42f914aa66bcab3f2b9819a8a5b46b395bd54a9a20441e2b62974e1f5a6292a2977014bd1e3deae63aeebb21694915e4"
SSL TLS 1.3 Record Encryption RFC 8448 Example #2
# Application Data record sent by Server in 1-RTT example of RFC 8448, Section 3
@ -6071,7 +6074,8 @@ SSL TLS 1.3 Record Encryption RFC 8448 Example #2
# e3 0e fa f9 7d 90 e6 df fc 60 2d cb 50 1a 59 a8
# fc c4 9c 4b f2 e5 f0 a2 1c 00 47 c2 ab f3 32 54
# 0d d0 32 e1 67 c2 95 5d
ssl_tls1_3_record_protection:MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256:MBEDTLS_SSL_IS_SERVER:1:"9f02283b6c9c07efc26bb9f2ac92e356":"cf782b88dd83549aadf1e984":"17422dda596ed5d9acd890e3c63f5051":"5b78923dee08579033e523d9":"000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f3031":"2e937e11ef4ac740e538ad36005fc4a46932fc3225d05f82aa1b36e30efaf97d90e6dffc602dcb501a59a8fcc49c4bf2e5f0a21c0047c2abf332540dd032e167c2955d"
# - Padding used: No (== granularity 1)
ssl_tls1_3_record_protection:MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256:MBEDTLS_SSL_IS_SERVER:1:1:"9f02283b6c9c07efc26bb9f2ac92e356":"cf782b88dd83549aadf1e984":"17422dda596ed5d9acd890e3c63f5051":"5b78923dee08579033e523d9":"000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f202122232425262728292a2b2c2d2e2f3031":"2e937e11ef4ac740e538ad36005fc4a46932fc3225d05f82aa1b36e30efaf97d90e6dffc602dcb501a59a8fcc49c4bf2e5f0a21c0047c2abf332540dd032e167c2955d"
SSL TLS_PRF MBEDTLS_SSL_TLS_PRF_NONE
ssl_tls_prf:MBEDTLS_SSL_TLS_PRF_NONE:"":"":"test tls_prf label":"":MBEDTLS_ERR_SSL_FEATURE_UNAVAILABLE

17
tests/suites/test_suite_ssl.function
View file

@ -3947,6 +3947,7 @@ void ssl_tls1_3_create_psk_binder( int hash_alg,
void ssl_tls1_3_record_protection( int ciphersuite,
int endpoint,
int ctr,
int padding_used,
data_t *server_write_key,
data_t *server_write_iv,
data_t *client_write_key,
@ -3959,6 +3960,7 @@ void ssl_tls1_3_record_protection( int ciphersuite,
mbedtls_ssl_transform transform_recv;
mbedtls_record rec;
unsigned char *buf = NULL;
size_t buf_len;
int other_endpoint;
TEST_ASSERT( endpoint == MBEDTLS_SSL_IS_CLIENT ||
@ -3994,7 +3996,10 @@ void ssl_tls1_3_record_protection( int ciphersuite,
&transform_recv, other_endpoint,
ciphersuite, &keys, NULL ) == 0 );
ASSERT_ALLOC( buf, ciphertext->len );
/* Make sure we have enough space in the buffer even if
* we use more padding than the KAT. */
buf_len = ciphertext->len + MBEDTLS_SSL_CID_TLS1_3_PADDING_GRANULARITY;
ASSERT_ALLOC( buf, buf_len );
rec.type = MBEDTLS_SSL_MSG_APPLICATION_DATA;
/* TLS 1.3 uses the version identifier from TLS 1.2 on the wire. */
@ -4005,7 +4010,7 @@ void ssl_tls1_3_record_protection( int ciphersuite,
/* Copy plaintext into record structure */
rec.buf = buf;
rec.buf_len = ciphertext->len;
rec.buf_len = buf_len;
rec.data_offset = 0;
TEST_ASSERT( plaintext->len <= ciphertext->len );
memcpy( rec.buf + rec.data_offset, plaintext->x, plaintext->len );
@ -4019,8 +4024,12 @@ void ssl_tls1_3_record_protection( int ciphersuite,
TEST_ASSERT( mbedtls_ssl_encrypt_buf( NULL, &transform_send, &rec,
NULL, NULL ) == 0 );
ASSERT_COMPARE( rec.buf + rec.data_offset, rec.data_len,
ciphertext->x, ciphertext->len );
if( padding_used == MBEDTLS_SSL_CID_TLS1_3_PADDING_GRANULARITY )
{
ASSERT_COMPARE( rec.buf + rec.data_offset, rec.data_len,
ciphertext->x, ciphertext->len );
}
TEST_ASSERT( mbedtls_ssl_decrypt_buf( NULL, &transform_recv, &rec ) == 0 );
ASSERT_COMPARE( rec.buf + rec.data_offset, rec.data_len,