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Add domains for symmetric ciphers

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Add a domain for cipher base algorithms (block permutations and stream
ciphers), a domain for block cipher chaining modes and a domain for
block cipher padding modes.
Signed-off-by: Andrzej Kurek <andrzej.kurek@arm.com>
This commit is contained in:
Gilles Peskine 2019-01-29 23:12:28 +01:00 committed by Andrzej Kurek
parent c3b4deeb6c
commit 34a1557df6
1 changed files with 30 additions and 0 deletions
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30
tests/scripts/depends.py
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@ -180,6 +180,12 @@ ssl_pre_1_2_dependencies = ['MBEDTLS_SSL_CBC_RECORD_SPLITTING',
# file includes a copy because it changes rarely and it would be a pain
# to extract automatically.
reverse_dependencies = {
'MBEDTLS_AES_C': ['MBEDTLS_CTR_DRBG_C',
'MBEDTLS_NIST_KW_C',
'MBEDTLS_PSA_CRYPTO_STORAGE_C',
'MBEDTLS_PSA_CRYPTO_STORAGE_FILE_C',
'MBEDTLS_PSA_CRYPTO_C'],
'MBEDTLS_CHACHA20_C': ['MBEDTLS_CHACHAPOLY_C'],
'MBEDTLS_ECDSA_C': ['MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED'],
'MBEDTLS_ECP_C': ['MBEDTLS_ECDSA_C',
'MBEDTLS_ECDH_C',
@ -266,6 +272,16 @@ Each job runs the specified commands."""
job = Job(description, config_settings, commands)
self.jobs.append(job)
class CipherInfo:
"""Collect data about cipher.h."""
def __init__(self, options):
self.base_symbols = set()
with open('include/mbedtls/cipher.h') as fh:
for line in fh:
m = re.match(r' *MBEDTLS_CIPHER_ID_(\w+),', line)
if m and m.group(1) not in ['NONE', 'NULL', '3DES']:
self.base_symbols.add('MBEDTLS_' + m.group(1) + '_C')
class DomainData:
"""Collect data about the library."""
def collect_config_symbols(self, options):
@ -294,7 +310,21 @@ Return them in a generator."""
curve_symbols = self.config_symbols_matching(r'MBEDTLS_ECP_DP_\w+_ENABLED\Z')
# Find key exchange enabling macros by name.
key_exchange_symbols = self.config_symbols_matching(r'MBEDTLS_KEY_EXCHANGE_\w+_ENABLED\Z')
# Find cipher IDs (block permutations and stream ciphers --- chaining
# and padding modes are exercised separately) information by parsing
# cipher.h, as the information is not readily available in config.h.
cipher_info = CipherInfo(options)
# Find block cipher chaining and padding mode enabling macros by name.
cipher_chaining_symbols = self.config_symbols_matching(r'MBEDTLS_CIPHER_MODE_\w+\Z')
cipher_padding_symbols = self.config_symbols_matching(r'MBEDTLS_CIPHER_PADDING_\w+\Z')
self.domains = {
# Cipher IDs, chaining modes and padding modes. Run the test suites.
'cipher_id': ExclusiveDomain(cipher_info.base_symbols,
build_and_test),
'cipher_chaining': ExclusiveDomain(cipher_chaining_symbols,
build_and_test),
'cipher_padding': ExclusiveDomain(cipher_padding_symbols,
build_and_test),
# Elliptic curves. Run the test suites.
'curves': ExclusiveDomain(curve_symbols, build_and_test),
# Hash algorithms. Exclude configurations with only one