diff options
| -rw-r--r-- | cryptography/primitives/hashes.py | 6 | ||||
| -rw-r--r-- | docs/primitives/cryptographic-hashes.rst | 164 | ||||
| -rw-r--r-- | docs/primitives/index.rst | 1 | ||||
| -rw-r--r-- | tests/primitives/test_hash_vectors.py | 13 | ||||
| -rw-r--r-- | tests/primitives/test_hashes.py | 10 |
5 files changed, 194 insertions, 0 deletions
diff --git a/cryptography/primitives/hashes.py b/cryptography/primitives/hashes.py index 06d90a90..d0f4c226 100644 --- a/cryptography/primitives/hashes.py +++ b/cryptography/primitives/hashes.py @@ -82,3 +82,9 @@ class Whirlpool(BaseHash): name = "whirlpool" digest_size = 64 block_size = 64 + + +class MD5(BaseHash): + name = "md5" + digest_size = 16 + block_size = 64 diff --git a/docs/primitives/cryptographic-hashes.rst b/docs/primitives/cryptographic-hashes.rst new file mode 100644 index 00000000..1499f762 --- /dev/null +++ b/docs/primitives/cryptographic-hashes.rst @@ -0,0 +1,164 @@ +Message Digests +==================== + +SHA-1 +~~~~~~~ + +.. attention:: + + NIST has deprecated SHA-1 in favor of the SHA-2 variants. New applications + are strongly suggested to use SHA-2 over SHA-1. + +.. class:: cryptography.primitives.hashes.SHA1() + + SHA-1 is a cryptographic hash function standardized by NIST. It has a + 160-bit message digest. + + .. method:: update(string) + + :param bytes string: The bytes you wish to hash. + + .. method:: digest() + + :return bytes: The message digest as bytes. + + .. method:: hexdigest() + + :return str: The message digest as hex. + + +SHA-2 Family +~~~~~~~ + +.. class:: cryptography.primitives.hashes.SHA224() + + SHA-224 is a cryptographic hash function from the SHA-2 family and + standardized by NIST. It has a 224-bit message digest. + + .. method:: update(string) + + :param bytes string: The bytes you wish to hash. + + .. method:: digest() + + :return bytes: The message digest as bytes. + + .. method:: hexdigest() + + :return str: The message digest as hex. + +.. class:: cryptography.primitives.hashes.SHA256() + + SHA-256 is a cryptographic hash function from the SHA-2 family and + standardized by NIST. It has a 256-bit message digest. + + .. method:: update(string) + + :param bytes string: The bytes you wish to hash. + + .. method:: digest() + + :return bytes: The message digest as bytes. + + .. method:: hexdigest() + + :return str: The message digest as hex. + +.. class:: cryptography.primitives.hashes.SHA384() + + SHA-384 is a cryptographic hash function from the SHA-2 family and + standardized by NIST. It has a 384-bit message digest. + + .. method:: update(string) + + :param bytes string: The bytes you wish to hash. + + .. method:: digest() + + :return bytes: The message digest as bytes. + + .. method:: hexdigest() + + :return str: The message digest as hex. + +.. class:: cryptography.primitives.hashes.SHA512() + + SHA-512 is a cryptographic hash function from the SHA-2 family and + standardized by NIST. It has a 512-bit message digest. + + .. method:: update(string) + + :param bytes string: The bytes you wish to hash. + + .. method:: digest() + + :return bytes: The message digest as bytes. + + .. method:: hexdigest() + + :return str: The message digest as hex. + +RIPEMD160 +~~~~~~~ + +.. class:: cryptography.primitives.hashes.RIPEMD160() + + RIPEMD160 is a cryptographic hash function that is part of ISO/IEC + 10118-3:2004. It has a 160-bit message digest. + + .. method:: update(string) + + :param bytes string: The bytes you wish to hash. + + .. method:: digest() + + :return bytes: The message digest as bytes. + + .. method:: hexdigest() + + :return str: The message digest as hex. + +Whirlpool +~~~~~~~ + +.. class:: cryptography.primitives.hashes.Whirlpool() + + Whirlpool is a cryptographic hash function that is part of ISO/IEC + 10118-3:2004. It has a 512-bit message digest. + + .. method:: update(string) + + :param bytes string: The bytes you wish to hash. + + .. method:: digest() + + :return bytes: The message digest as bytes. + + .. method:: hexdigest() + + :return str: The message digest as hex. + +MD5 +~~~~~~~ + +.. warning:: + + MD5 is a deprecated hash algorithm that has practical known collision + attacks. You are strongly discouraged from using it. + +.. class:: cryptography.primitives.hashes.MD5() + + MD5 is a deprecated cryptographic hash function. It has a 160-bit message + digest and has practical known collision attacks. + + .. method:: update(string) + + :param bytes string: The bytes you wish to hash. + + .. method:: digest() + + :return bytes: The message digest as bytes. + + .. method:: hexdigest() + + :return str: The message digest as hex. diff --git a/docs/primitives/index.rst b/docs/primitives/index.rst index 1066e30e..c18c62ca 100644 --- a/docs/primitives/index.rst +++ b/docs/primitives/index.rst @@ -4,4 +4,5 @@ Primitives .. toctree:: :maxdepth: 1 + cryptographic-hashes symmetric-encryption diff --git a/tests/primitives/test_hash_vectors.py b/tests/primitives/test_hash_vectors.py index 52c972a3..02ef4dbb 100644 --- a/tests/primitives/test_hash_vectors.py +++ b/tests/primitives/test_hash_vectors.py @@ -131,3 +131,16 @@ class TestWhirlpool(object): only_if=lambda api: api.supports_hash(hashes.Whirlpool), skip_message="Does not support Whirlpool", ) + + +class TestMD5(object): + test_md5 = generate_hash_test( + load_hash_vectors_from_file, + os.path.join("RFC", "MD5"), + [ + "rfc-1321.txt", + ], + hashes.MD5, + only_if=lambda api: api.supports_hash(hashes.MD5), + skip_message="Does not support MD5", + ) diff --git a/tests/primitives/test_hashes.py b/tests/primitives/test_hashes.py index 982fc7cd..901ddabb 100644 --- a/tests/primitives/test_hashes.py +++ b/tests/primitives/test_hashes.py @@ -86,3 +86,13 @@ class TestWhirlpool(object): only_if=lambda api: api.supports_hash(hashes.Whirlpool), skip_message="Does not support Whirlpool", ) + + +class TestMD5(object): + test_MD5 = generate_base_hash_test( + hashes.MD5, + digest_size=16, + block_size=64, + only_if=lambda api: api.supports_hash(hashes.MD5), + skip_message="Does not support MD5", + ) |