diff options
Diffstat (limited to 'src/python/botan.py')
| -rwxr-xr-x | src/python/botan.py | 555 |
1 files changed, 262 insertions, 293 deletions
diff --git a/src/python/botan.py b/src/python/botan.py index 40f39d033..1a669ae0a 100755 --- a/src/python/botan.py +++ b/src/python/botan.py @@ -14,7 +14,6 @@ import sys from ctypes import * from binascii import hexlify, unhexlify - """ Module initialization """ @@ -23,14 +22,14 @@ if sys.platform == 'darwin': else: botan = CDLL('libbotan-1.11.so') -expected_api_rev = 20150210 +expected_api_rev = 20151015 botan_api_rev = botan.botan_ffi_api_version() if botan_api_rev < expected_api_rev: raise Exception("Bad botan API rev got %d expected %d" % (botan_api_rev, expected_api_rev)) # Internal utilities -def _call_fn_returning_string(guess, fn): +def _call_fn_returning_vec(guess, fn): buf = create_string_buffer(guess) buf_len = c_size_t(len(buf)) @@ -39,29 +38,49 @@ def _call_fn_returning_string(guess, fn): if rc < 0: if buf_len.value > len(buf): #print("Calling again with %d" % (buf_len.value)) - return _call_fn_returning_string(buf_len.value, fn) + return _call_fn_returning_vec(buf_len.value, fn) else: raise Exception("Call failed: %d" % (rc)) assert buf_len.value <= len(buf) - return str(buf.raw[0:buf_len.value]) - -def _call_fn_returning_vec(guess, fn): + return buf.raw[0:buf_len.value] - buf = create_string_buffer(guess) - buf_len = c_size_t(len(buf)) +def _call_fn_returning_string(guess, fn): + # Assumes that anything called with this is returning plain ASCII strings + # (base64 data, algorithm names, etc) + v = _call_fn_returning_vec(guess, fn) + return v.decode('ascii')[:-1] + +def _ctype_str(s): + assert(type(s) == type("")) + if sys.version_info[0] < 3: + return s + else: + return s.encode('utf-8') - rc = fn(buf, byref(buf_len)) - if rc < 0: - if buf_len.value > len(buf): - #print("Calling again with %d" % (buf_len.value)) - return _call_fn_returning_vec(buf_len.value, fn) +def _ctype_bits(s): + # TODO typecheck for bytes in python3? + if sys.version_info[0] < 3: + return s + else: + if isinstance(s, bytes): + return s + elif isinstance(s, str): + return s.encode('utf-8') # FIXME else: - raise Exception("Call failed: %d" % (rc)) + assert False - assert buf_len.value <= len(buf) - return buf.raw[0:buf_len.value] +def _ctype_bufout(buf): + if sys.version_info[0] < 3: + return str(buf.raw) + else: + return buf.raw + +def hex_encode(buf): + return hexlify(buf).decode('ascii') +def hex_decode(buf): + return unhexlify(buf) """ Versions @@ -77,7 +96,7 @@ def version_patch(): def version_string(): botan.botan_version_string.restype = c_char_p - return botan.botan_version_string() + return botan.botan_version_string().decode('ascii') """ RNG @@ -87,11 +106,7 @@ class rng(object): def __init__(self, rng_type = 'system'): botan.botan_rng_init.argtypes = [c_void_p, c_char_p] self.rng = c_void_p(0) - if sys.version_info[0] < 3: - rc = botan.botan_rng_init(byref(self.rng), rng_type) - else: - rc = botan.botan_rng_init(byref(self.rng), rng_type.encode('ascii')) - + rc = botan.botan_rng_init(byref(self.rng), _ctype_str(rng_type)) if rc != 0 or self.rng is None: raise Exception("No rng " + algo + " for you!") @@ -108,10 +123,7 @@ class rng(object): out = create_string_buffer(length) l = c_size_t(length) rc = botan.botan_rng_get(self.rng, out, l) - if sys.version_info[0] < 3: - return str(out.raw) - else: - return out.raw + return _ctype_bufout(out) """ Hash function @@ -121,10 +133,7 @@ class hash_function(object): botan.botan_hash_init.argtypes = [c_void_p, c_char_p, c_uint32] flags = c_uint32(0) # always zero in this API version self.hash = c_void_p(0) - if sys.version_info[0] < 3: - rc = botan.botan_hash_init(byref(self.hash), algo, flags) - else: - rc = botan.botan_hash_init(byref(self.hash), algo.encode('utf-8'), flags) + rc = botan.botan_hash_init(byref(self.hash), _ctype_str(algo), flags) if rc != 0 or self.hash is None: raise Exception("No hash " + algo + " for you!") @@ -144,16 +153,13 @@ class hash_function(object): def update(self, x): botan.botan_hash_update.argtypes = [c_void_p, POINTER(c_char), c_size_t] - botan.botan_hash_update(self.hash, x, len(x)) + botan.botan_hash_update(self.hash, _ctype_bits(x), len(x)) def final(self): botan.botan_hash_final.argtypes = [c_void_p, POINTER(c_char)] out = create_string_buffer(self.output_length()) botan.botan_hash_final(self.hash, out) - if sys.version_info[0] < 3: - return str(out.raw) - else: - return out.raw + return _ctype_bufout(out) """ Message authentication codes @@ -163,7 +169,7 @@ class message_authentication_code(object): botan.botan_mac_init.argtypes = [c_void_p, c_char_p, c_uint32] flags = c_uint32(0) # always zero in this API version self.mac = c_void_p(0) - rc = botan.botan_mac_init(byref(self.mac), algo, flags) + rc = botan.botan_mac_init(byref(self.mac), _ctype_str(algo), flags) if rc != 0 or self.mac is None: raise Exception("No mac " + algo + " for you!") @@ -193,20 +199,14 @@ class message_authentication_code(object): botan.botan_mac_final.argtypes = [c_void_p, POINTER(c_char)] out = create_string_buffer(self.output_length()) botan.botan_mac_final(self.mac, out) - if sys.version_info[0] < 3: - return str(out.raw) - else: - return out.raw + return _ctype_bufout(out) class cipher(object): def __init__(self, algo, encrypt = True): botan.botan_cipher_init.argtypes = [c_void_p,c_char_p, c_uint32] flags = 0 if encrypt else 1 self.cipher = c_void_p(0) - if sys.version_info[0] < 3: - rc = botan.botan_cipher_init(byref(self.cipher), algo, flags) - else: - rc = botan.botan_cipher_init(byref(self.cipher), algo.encode('utf-8'), flags) + rc = botan.botan_cipher_init(byref(self.cipher), _ctype_str(algo), flags) if rc != 0 or self.cipher is None: raise Exception("No cipher " + algo + " for you!") @@ -226,6 +226,12 @@ class cipher(object): botan.botan_cipher_get_update_granularity(self.cipher, byref(l)) return l.value + def key_length(self): + kmin = c_size_t(0) + kmax = c_size_t(0) + botan.botan_cipher_query_keylen(self.cipher, byref(kmin), byref(kmax)) + return kmin.value, kmax.value + def tag_length(self): botan.botan_cipher_get_tag_length.argtypes = [c_void_p, POINTER(c_size_t)] l = c_size_t(0) @@ -265,8 +271,6 @@ class cipher(object): inp = txt if txt else '' inp_sz = c_size_t(len(inp)) - if sys.version_info[0] >= 3: - inp = cast(inp, c_char_p) inp_consumed = c_size_t(0) out = create_string_buffer(inp_sz.value + (self.tag_length() if final else 0)) out_sz = c_size_t(len(out)) @@ -275,7 +279,7 @@ class cipher(object): botan.botan_cipher_update(self.cipher, flags, out, out_sz, byref(out_written), - inp, inp_sz, byref(inp_consumed)) + cast(inp, c_char_p), inp_sz, byref(inp_consumed)) # buffering not supported yet assert inp_consumed.value == inp_sz.value @@ -315,7 +319,7 @@ PBKDF def pbkdf(algo, password, out_len, iterations = 10000, salt = rng().get(12)): botan.botan_pbkdf.argtypes = [c_char_p, POINTER(c_char), c_size_t, c_char_p, c_void_p, c_size_t, c_size_t] out_buf = create_string_buffer(out_len) - botan.botan_pbkdf(algo, out_buf, out_len, password, salt, len(salt), iterations) + botan.botan_pbkdf(_ctype_str(algo), out_buf, out_len, _ctype_str(password), salt, len(salt), iterations) return (salt,iterations,out_buf.raw) def pbkdf_timed(algo, password, out_len, ms_to_run = 300, salt = rng().get(12)): @@ -323,7 +327,7 @@ def pbkdf_timed(algo, password, out_len, ms_to_run = 300, salt = rng().get(12)): c_void_p, c_size_t, c_size_t, POINTER(c_size_t)] out_buf = create_string_buffer(out_len) iterations = c_size_t(0) - botan.botan_pbkdf_timed(algo, out_buf, out_len, password, salt, len(salt), ms_to_run, byref(iterations)) + botan.botan_pbkdf_timed(_ctype_str(algo), out_buf, out_len, _ctype_str(password), salt, len(salt), ms_to_run, byref(iterations)) return (salt,iterations.value,out_buf.raw) """ @@ -333,7 +337,7 @@ def kdf(algo, secret, out_len, salt): botan.botan_kdf.argtypes = [c_char_p, POINTER(c_char), c_size_t, POINTER(c_char), c_size_t, POINTER(c_char), c_size_t] out_buf = create_string_buffer(out_len) out_sz = c_size_t(out_len) - botan.botan_kdf(algo, out_buf, out_sz, secret, len(secret), salt, len(salt)) + botan.botan_kdf(_ctype_str(algo), out_buf, out_sz, secret, len(secret), salt, len(salt)) return out_buf.raw[0:out_sz.value] """ @@ -359,13 +363,8 @@ class public_key(object): def encoding(self, pem = False): botan.botan_pubkey_export.argtypes = [c_void_p, POINTER(c_char), POINTER(c_size_t), c_uint32] - flag = 1 if pem else 0 - - if pem: - return _call_fn_returning_string(0, lambda b,bl: botan.botan_pubkey_export(self.pubkey, b, bl, 1)) - else: - return _call_fn_returning_string(0, lambda b,bl: botan.botan_pubkey_export(self.pubkey, b, bl, 0)) + return _call_fn_returning_vec(0, lambda b,bl: botan.botan_pubkey_export(self.pubkey, b, bl, flag)) def fingerprint(self, hash = 'SHA-256'): botan.botan_pubkey_fingerprint.argtypes = [c_void_p, c_char_p, @@ -374,11 +373,9 @@ class public_key(object): n = hash_function(hash).output_length() buf = create_string_buffer(n) buf_len = c_size_t(n) - if sys.version_info[0] > 2: - hash = hash.encode('utf-8') - botan.botan_pubkey_fingerprint(self.pubkey, hash, buf, byref(buf_len)) - return hexlify(buf[0:buf_len.value]) + botan.botan_pubkey_fingerprint(self.pubkey, _ctype_str(hash), buf, byref(buf_len)) + return hex_encode(buf[0:buf_len.value]) class private_key(object): def __init__(self, alg, param, rng): @@ -388,12 +385,13 @@ class private_key(object): botan.botan_privkey_create_mceliece.argtypes = [c_void_p, c_void_p, c_size_t, c_size_t] self.privkey = c_void_p(0) + if alg == 'rsa': botan.botan_privkey_create_rsa(byref(self.privkey), rng.rng, param) elif alg == 'ecdsa': - botan.botan_privkey_create_ecdsa(byref(self.privkey), rng.rng, param) + botan.botan_privkey_create_ecdsa(byref(self.privkey), rng.rng, _ctype_str(param)) elif alg == 'ecdh': - botan.botan_privkey_create_ecdh(byref(self.privkey), rng.rng, param) + botan.botan_privkey_create_ecdh(byref(self.privkey), rng.rng, _ctype_str(param)) elif alg in ['mce', 'mceliece']: botan.botan_privkey_create_mceliece(byref(self.privkey), rng.rng, param[0], param[1]) else: @@ -431,9 +429,8 @@ class pk_op_encrypt(object): botan.botan_pk_op_encrypt_create.argtypes = [c_void_p, c_void_p, c_char_p, c_uint32] self.op = c_void_p(0) flags = c_uint32(0) # always zero in this ABI - if sys.version_info[0] > 2: - padding = cast(padding, c_char_p) - botan.botan_pk_op_encrypt_create(byref(self.op), key.pubkey, padding, flags) + print("Padding is ", padding) + botan.botan_pk_op_encrypt_create(byref(self.op), key.pubkey, _ctype_str(padding), flags) if not self.op: raise Exception("No pk op for you") @@ -450,9 +447,9 @@ class pk_op_encrypt(object): outbuf = create_string_buffer(outbuf_sz.value) ll = len(msg) #print("encrypt: len=%d" % ll) - if sys.version_info[0] > 2: - msg = cast(msg, c_char_p) - ll = c_size_t(ll) + #if sys.version_info[0] > 2: + # msg = cast(msg, c_char_p) + # ll = c_size_t(ll) botan.botan_pk_op_encrypt(self.op, rng.rng, outbuf, byref(outbuf_sz), msg, ll) #print("encrypt: outbuf_sz.value=%d" % outbuf_sz.value) return outbuf.raw[0:outbuf_sz.value] @@ -463,9 +460,7 @@ class pk_op_decrypt(object): botan.botan_pk_op_decrypt_create.argtypes = [c_void_p, c_void_p, c_char_p, c_uint32] self.op = c_void_p(0) flags = c_uint32(0) # always zero in this ABI - if sys.version_info[0] > 2: - padding = cast(padding, c_char_p) - botan.botan_pk_op_decrypt_create(byref(self.op), key.privkey, padding, flags) + botan.botan_pk_op_decrypt_create(byref(self.op), key.privkey, _ctype_str(padding), flags) if not self.op: raise Exception("No pk op for you") @@ -481,10 +476,7 @@ class pk_op_decrypt(object): outbuf_sz = c_size_t(4096) #?!?! outbuf = create_string_buffer(outbuf_sz.value) ll = len(msg) - if sys.version_info[0] > 2: - msg = cast(msg, c_char_p) - ll = c_size_t(ll) - botan.botan_pk_op_decrypt(self.op, outbuf, byref(outbuf_sz), msg, ll) + botan.botan_pk_op_decrypt(self.op, outbuf, byref(outbuf_sz), _ctype_bits(msg), ll) return outbuf.raw[0:outbuf_sz.value] class pk_op_sign(object): @@ -492,9 +484,7 @@ class pk_op_sign(object): botan.botan_pk_op_sign_create.argtypes = [c_void_p, c_void_p, c_char_p, c_uint32] self.op = c_void_p(0) flags = c_uint32(0) # always zero in this ABI - if sys.version_info[0] > 2: - padding = cast(padding, c_char_p) - botan.botan_pk_op_sign_create(byref(self.op), key.privkey, padding, flags) + botan.botan_pk_op_sign_create(byref(self.op), key.privkey, _ctype_str(padding), flags) if not self.op: raise Exception("No pk op for you") @@ -504,7 +494,7 @@ class pk_op_sign(object): def update(self, msg): botan.botan_pk_op_sign_update.argtypes = [c_void_p, POINTER(c_char), c_size_t] - botan.botan_pk_op_sign_update(self.op, msg, len(msg)) + botan.botan_pk_op_sign_update(self.op, _ctype_str(msg), len(msg)) def finish(self, rng): botan.botan_pk_op_sign_finish.argtypes = [c_void_p, c_void_p, POINTER(c_char), POINTER(c_size_t)] @@ -518,7 +508,7 @@ class pk_op_verify(object): botan.botan_pk_op_verify_create.argtypes = [c_void_p, c_void_p, c_char_p, c_uint32] self.op = c_void_p(0) flags = c_uint32(0) # always zero in this ABI - botan.botan_pk_op_verify_create(byref(self.op), key.pubkey, padding, flags) + botan.botan_pk_op_verify_create(byref(self.op), key.pubkey, _ctype_str(padding), flags) if not self.op: raise Exception("No pk op for you") @@ -528,11 +518,11 @@ class pk_op_verify(object): def update(self, msg): botan.botan_pk_op_verify_update.argtypes = [c_void_p, POINTER(c_char), c_size_t] - botan.botan_pk_op_verify_update(self.op, msg, len(msg)) + botan.botan_pk_op_verify_update(self.op, _ctype_bits(msg), len(msg)) def check_signature(self, signature): botan.botan_pk_op_verify_finish.argtypes = [c_void_p, POINTER(c_char), c_size_t] - rc = botan.botan_pk_op_verify_finish(self.op, signature, len(signature)) + rc = botan.botan_pk_op_verify_finish(self.op, _ctype_bits(signature), len(signature)) if rc == 0: return True return False @@ -542,35 +532,34 @@ MCEIES encryption Must be used with McEliece keys """ def mceies_encrypt(mce, rng, aead, pt, ad): - botan.botan_mceies_encrypt.argtypes = [c_void_p, c_void_p, c_char_p, - POINTER(c_char), c_size_t, - POINTER(c_char), c_size_t, - POINTER(c_char), POINTER(c_size_t)] - - # rc = botan.botan_mceies_encrypt(mce.pubkey, rng.rng, aead, - # pt, len(pt), ad, len(ad), ct, lct) - # return rc - lpt = len(pt) - if sys.version_info[0] > 2: - pt = cast(pt, c_char_p) - return _call_fn_returning_string(0, lambda b,bl: - botan.botan_mceies_encrypt(mce.pubkey, rng.rng, aead, - pt, lpt, - ad, len(ad), - b, bl)) - -def mceies_decrypt(mce, aead, ct, ad): - botan.botan_mceies_decrypt.argtypes = [c_void_p, c_char_p, - POINTER(c_char), c_size_t, - POINTER(c_char), c_size_t, - POINTER(c_char), POINTER(c_size_t)] - lct = len(ct) - if sys.version_info[0] > 2: - ct = cast(ct, c_char_p) - return _call_fn_returning_string(0, lambda b,bl: - botan.botan_mceies_decrypt(mce.privkey, aead, - ct, lct, - ad, len(ad), b, bl)) + botan.botan_mceies_encrypt.argtypes = [c_void_p, c_void_p, c_char_p, POINTER(c_char), c_size_t, + POINTER(c_char), c_size_t, POINTER(c_char), POINTER(c_size_t)] + + return _call_fn_returning_vec(0, lambda b,bl: + botan.botan_mceies_encrypt(mce.pubkey, + rng.rng, + _ctype_str(aead), + _ctype_bits(pt), + len(pt), + _ctype_bits(ad), + len(ad), + b, bl)) + +def mceies_decrypt(mce, aead, pt, ad): + botan.botan_mceies_decrypt.argtypes = [c_void_p, c_char_p, POINTER(c_char), c_size_t, + POINTER(c_char), c_size_t, POINTER(c_char), POINTER(c_size_t)] + + #msg = cast(msg, c_char_p) + #ll = c_size_t(ll) + + return _call_fn_returning_vec(0, lambda b,bl: + botan.botan_mceies_decrypt(mce.privkey, + _ctype_str(aead), + _ctype_bits(pt), + len(pt), + _ctype_bits(ad), + len(ad), + b, bl)) class pk_op_key_agreement(object): def __init__(self, key, kdf): @@ -582,7 +571,7 @@ class pk_op_key_agreement(object): if not self.op: raise Exception("No key agreement for you") - self.m_public_value = _call_fn_returning_string(0, lambda b, bl: botan.botan_pk_op_key_agreement_export_public(key.privkey, b, bl)) + self.m_public_value = _call_fn_returning_vec(0, lambda b, bl: botan.botan_pk_op_key_agreement_export_public(key.privkey, b, bl)) def __del__(self): botan.botan_pk_op_key_agreement_destroy.argtypes = [c_void_p] @@ -595,18 +584,16 @@ class pk_op_key_agreement(object): botan.botan_pk_op_key_agreement.argtypes = [c_void_p, POINTER(c_char), POINTER(c_size_t), POINTER(c_char), c_size_t, POINTER(c_char), c_size_t] - return _call_fn_returning_string(key_len, - lambda b,bl: botan.botan_pk_op_key_agreement(self.op, b, bl, - other, len(other), - salt, len(salt))) + return _call_fn_returning_vec(key_len, + lambda b,bl: botan.botan_pk_op_key_agreement(self.op, b, bl, + other, len(other), + salt, len(salt))) class x509_cert(object): def __init__(self, filename): botan.botan_x509_cert_load_file.argtypes = [POINTER(c_void_p), c_char_p] self.x509_cert = c_void_p(0) - if sys.version_info[0] > 2: - filename = cast(filename, c_char_p) - botan.botan_x509_cert_load_file(byref(self.x509_cert), filename) + botan.botan_x509_cert_load_file(byref(self.x509_cert), _ctype_str(filename)) def __del__(self): botan.botan_x509_cert_destroy.argtypes = [c_void_p] @@ -630,10 +617,7 @@ class x509_cert(object): POINTER(c_char), POINTER(c_size_t)] n = hash_function(hash_algo).output_length() * 3 - if sys.version_info[0] > 2: - hash_algo = hash_algo.encode('utf-8') - - return _call_fn_returning_string(n, lambda b,bl: botan.botan_x509_cert_get_fingerprint(self.x509_cert, hash_algo, b, bl)) + return _call_fn_returning_string(n, lambda b,bl: botan.botan_x509_cert_get_fingerprint(self.x509_cert, _ctype_str(hash_algo), b, bl)) def serial_number(self): botan.botan_x509_cert_get_serial_number.argtypes = [c_void_p, POINTER(c_char), POINTER(c_size_t)] @@ -657,223 +641,208 @@ Tests and examples """ def test(): - r = rng("user") + def test_version(): + print("\n%s" % version_string()) + print("v%d.%d.%d\n" % (version_major(), version_minor(), version_patch())) - print("\n%s" % version_string().decode('utf-8')) - print("v%d.%d.%d\n" % (version_major(), version_minor(), version_patch())) + def test_kdf(): + print("KDF2(SHA-1) %s" % + hex_encode(kdf('KDF2(SHA-1)', hex_decode('701F3480DFE95F57941F804B1B2413EF'), 7, + hex_decode('55A4E9DD5F4CA2EF82')))) - print("KDF2(SHA-1) %s" % - hexlify(kdf('KDF2(SHA-1)'.encode('ascii'), unhexlify('701F3480DFE95F57941F804B1B2413EF'), 7, - unhexlify('55A4E9DD5F4CA2EF82')) - ).decode('ascii') - ) + def test_pbkdf(): + print("PBKDF2(SHA-1) %s" % + hex_encode(pbkdf('PBKDF2(SHA-1)', '', 32, 10000, hex_decode('0001020304050607'))[2])) + print("good output %s\n" % + '59B2B1143B4CB1059EC58D9722FB1C72471E0D85C6F7543BA5228526375B0127') - print("PBKDF2(SHA-1) %s" % - hexlify(pbkdf('PBKDF2(SHA-1)'.encode('ascii'), ''.encode('ascii'), 32, 10000, - unhexlify('0001020304050607')) - [2] - ).upper().decode('ascii')) - print("good output %s\n" % - '59B2B1143B4CB1059EC58D9722FB1C72471E0D85C6F7543BA5228526375B0127') + (salt,iterations,psk) = pbkdf_timed('PBKDF2(SHA-256)', 'xyz', 32, 200) - (salt,iterations,psk) = pbkdf_timed('PBKDF2(SHA-256)'.encode('ascii'), - 'xyz'.encode('utf-8'), 32, 200) + print("PBKDF2(SHA-256) x=timed, y=iterated; salt = %s (len=%d) #iterations = %d\n" % + (hex_encode(salt), len(salt), iterations)) - print("PBKDF2(SHA-256) x=timed, y=iterated; salt = %s (len=%d) #iterations = %d\n" % - (hexlify(salt).decode('ascii'), len(salt), iterations)) + print('x %s' % hex_encode(psk)) + print('y %s\n' % (hex_encode(pbkdf('PBKDF2(SHA-256)', 'xyz', 32, iterations, salt)[2]))) - print('x %s' % hexlify(psk).decode('utf-8')) - print('y %s\n' % - (hexlify(pbkdf('PBKDF2(SHA-256)'.encode('utf-8'), - 'xyz'.encode('ascii'), 32, iterations, salt)[2]).decode('utf-8'))) + def test_hmac(): - hmac = message_authentication_code('HMAC(SHA-256)'.encode('ascii')) - hmac.set_key(unhexlify('0102030405060708090A0B0C0D0E0F101112131415161718191A1B1C1D1E1F20')) - hmac.update(unhexlify('616263')) + hmac = message_authentication_code('HMAC(SHA-256)') + hmac.set_key(hex_decode('0102030405060708090A0B0C0D0E0F101112131415161718191A1B1C1D1E1F20')) + hmac.update(hex_decode('616263')) - hmac_output = hmac.final() + hmac_vec = hex_decode('A21B1F5D4CF4F73A4DD939750F7A066A7F98CC131CB16A6692759021CFAB8181') + hmac_output = hmac.final() - if hmac_output != unhexlify('A21B1F5D4CF4F73A4DD939750F7A066A7F98CC131CB16A6692759021CFAB8181'): - print("Bad HMAC:\t%s" % hexlify(bytes(hmac_output, 'utf-8')).decode('utf-8')) - print("vs good: \tA21B1F5D4CF4F73A4DD939750F7A066A7F98CC131CB16A6692759021CFAB8181"); - else: - print("HMAC output (good): %s\n" % hexlify(hmac_output).decode('utf-8')) - - print("rng output:\n\t%s\n\t%s\n\t%s\n" % - (hexlify(r.get(42)).decode('utf-8'), - hexlify(r.get(13)).decode('utf-8'), - hexlify(r.get(9)).decode('utf-8') - ) - ) - - h = hash_function('MD5') - assert h.output_length() == 16 - h.update('h'.encode('utf-8')) - h.update('i'.encode('utf-8')) - print("md5 hash: %s\n" % (hexlify(h.final())).decode('utf-8')) - - - # =========== AEAD Symmetric Ciphers =========== - gcm = cipher('AES-128/GCM') - print("AES-128/GCM: default nonce=%d update_size=%d" % - (gcm.default_nonce_length(), gcm.update_granularity())) - gcm_dec = cipher('AES-128/GCM', encrypt=False) - - iv = r.get(12) - key = r.get(16) - pt = r.get(21) - gcm.set_key(key) - gcm.start(iv) - assert len(gcm.update('')) == 0 - ct = gcm.finish(pt) - print("GCM ct %s" % hexlify(ct).decode('utf-8')) - - gcm_dec.set_key(key) - gcm_dec.start(iv) - dec = gcm_dec.finish(ct) - print("GCM pt %s %d" % (hexlify(pt).decode('utf-8'), len(pt))) - print("GCM de %s %d\n" % (hexlify(dec).decode('utf-8'), len(dec))) - - ocb = cipher('AES-128/OCB') - print("AES-128/OCB: default nonce=%d update_size=%d" % - (ocb.default_nonce_length(), ocb.update_granularity())) - ocb_dec = cipher('AES-128/OCB', encrypt=False) - - iv = r.get(12) - key = r.get(16) - pt = r.get(21) - ocb.set_key(key) - ocb.start(iv) - assert len(ocb.update('')) == 0 - ct = ocb.finish(pt) - print("OCB ct %s" % hexlify(ct).decode('utf-8')) - - ocb_dec.set_key(key) - ocb_dec.start(iv) - dec = ocb_dec.finish(ct) - print("OCB pt %s %d" % (hexlify(pt).decode('utf-8'), len(pt))) - print("OCB de %s %d\n" % (hexlify(dec).decode('utf-8'), len(dec))) - - - # =========== McEliece ============= - # CANNOT RUN UNDER Python3 YET! - if sys.version_info[0] > 2: - print("McEliece tests cannot run under Python3 yet... Sorry!\n") - else: - mce_priv = private_key('mce', [2960,57], r) + if hmac_output != hmac_vec: + print("Bad HMAC:\t%s" % hex_encode(hmac_output)) + print("vs good: \t%s" % hex_encode(hmac_vec)) + else: + print("HMAC output correct: %s\n" % hex_encode(hmac_output)) + + def test_rng(): + user_rng = rng("user") + + print("rng output:\n\t%s\n\t%s\n\t%s\n" % + (hex_encode(user_rng.get(42)), + hex_encode(user_rng.get(13)), + hex_encode(user_rng.get(9)))) + + def test_hash(): + md5 = hash_function('MD5') + assert md5.output_length() == 16 + md5.update('h') + md5.update('i') + h1 = md5.final() + print("md5 hash: %s (%s)\n" % (hex_encode(h1), '49f68a5c8493ec2c0bf489821c21fc3b')) + + md5.update(hex_decode('f468025b')) + h2 = md5.final() + print("md5 hash: %s (%s)\n" % (hex_encode(h2), '47efd2be302a937775e93dea281b6751')) + + def test_cipher(): + for mode in ['AES-128/CTR-BE', 'Serpent/GCM', 'ChaCha20Poly1305']: + enc = cipher(mode, encrypt=True) + + (kmin,kmax) = enc.key_length() + print("%s: default nonce=%d update_size=%d key_min=%d key_max=%d" % + (mode, enc.default_nonce_length(), enc.update_granularity(), kmin, kmax)) + iv = rng().get(enc.default_nonce_length()) + key = rng().get(kmax) + pt = rng().get(21) + + print(" plaintext %s (%d)" % (hex_encode(pt), len(pt))) + + enc.set_key(key) + enc.start(iv) + assert len(enc.update('')) == 0 + ct = enc.finish(pt) + print(" ciphertext %s (%d)" % (hex_encode(ct), len(ct))) + + dec = cipher(mode, encrypt=False) + dec.set_key(key) + dec.start(iv) + decrypted = dec.finish(ct) + + print(" decrypted %s %d\n" % (hex_encode(decrypted), len(decrypted))) + + + def test_mceliece(): + mce_priv = private_key('mce', [2960,57], rng()) mce_pub = mce_priv.get_public_key() - mce_plaintext = 'mce plaintext'.encode('utf-8') + mce_plaintext = 'mce plaintext' mce_ad = 'mce AD' - mce_ciphertext = mceies_encrypt(mce_pub, r, 'ChaCha20Poly1305', - mce_plaintext, mce_ad) - - print("mce: len(pt)=%d len(ct)=%d" % ( len(mce_plaintext), len(mce_ciphertext) ) ) - - mce_decrypt = mceies_decrypt(mce_priv, 'ChaCha20Poly1305', - mce_ciphertext, - mce_ad) - print("mce: plaintext \'%s\'" % mce_plaintext) - print("mce: decrypted pt \'%s\'" % mce_decrypt.decode('utf-8')) - - print("mce_pub (len %d) %s/SHA-1 fingerprint: %s\n(estimated strength %s bits)\n" % - ( - len(mce_pub.encoding()), - mce_pub.algo_name().decode('utf-8'), - mce_pub.fingerprint("SHA-1").decode('utf-8'), - mce_pub.estimated_strength() + mce_ciphertext = mceies_encrypt(mce_pub, rng(), 'ChaCha20Poly1305', mce_plaintext, mce_ad) + + print("mceies len(pt)=%d len(ct)=%d", (len(mce_plaintext), len(mce_ciphertext))) + + mce_decrypt = mceies_decrypt(mce_priv, 'ChaCha20Poly1305', mce_ciphertext, mce_ad) + + print("mce_pub %s/SHA-1 fingerprint: %s\nEstimated strength %s bits (len %d)\n" % + (mce_pub.algo_name(), mce_pub.fingerprint("SHA-1"), + mce_pub.estimated_strength(), len(mce_pub.encoding()) ) ) - # ============== RSA ============== - rsapriv = private_key('rsa', 1536, r) - - rsapub = rsapriv.get_public_key() + def test_rsa(): + rsapriv = private_key('rsa', 1536, rng()) + rsapub = rsapriv.get_public_key() - print("rsapub %s SHA-1 fingerprint: %s estimated strength %d len %d" % - (rsapub.algo_name(), rsapub.fingerprint("SHA-1").decode('utf-8'), - rsapub.estimated_strength(), len(rsapub.encoding()) - ) - ) + print("rsapub %s SHA-1 fingerprint: %s estimated strength %d (len %d)" % + (rsapub.algo_name(), rsapub.fingerprint("SHA-1"), + rsapub.estimated_strength(), len(rsapub.encoding()) + ) + ) - dec = pk_op_decrypt(rsapriv, "EME1(SHA-256)".encode('utf-8')) - enc = pk_op_encrypt(rsapub, "EME1(SHA-256)".encode('utf-8')) + dec = pk_op_decrypt(rsapriv, "EME1(SHA-256)") + enc = pk_op_encrypt(rsapub, "EME1(SHA-256)") - ctext = enc.encrypt('foof'.encode('utf-8'), r) - print("ptext \'%s\'" % 'foof') - print("ctext \'%s\'" % hexlify(ctext).decode('utf-8')) - print("decrypt \'%s\'\n" % dec.decrypt(ctext).decode('utf-8')) + sys_rng = rng() + symkey = sys_rng.get(32) + ctext = enc.encrypt(symkey, sys_rng) + print("ptext \'%s\'" % hex_encode(symkey)) + print("ctext \'%s\'" % hex_encode(ctext)) + print("decrypt \'%s\'\n" % hex_encode(dec.decrypt(ctext))) - signer = pk_op_sign(rsapriv, 'EMSA4(SHA-384)'.encode('utf-8')) + signer = pk_op_sign(rsapriv, 'EMSA4(SHA-384)') - signer.update('messa'.encode('utf-8')) - signer.update('ge'.encode('utf-8')) - sig = signer.finish(r) + signer.update('messa') + signer.update('ge') + sig = signer.finish(rng()) - r.reseed(200) - print("EMSA4(SHA-384) signature: %s" % hexlify(sig).decode('utf-8')) + print("EMSA4(SHA-384) signature: %s" % hex_encode(sig)) + verify = pk_op_verify(rsapub, 'EMSA4(SHA-384)') - verify = pk_op_verify(rsapub, 'EMSA4(SHA-384)'.encode('utf-8')) + verify.update('mess') + verify.update('age') + print("good sig accepted? %s" % verify.check_signature(sig)) - verify.update('mess'.encode('utf-8')) - verify.update('age'.encode('utf-8')) - print("good sig accepted? %s" % verify.check_signature(sig)) + verify.update('mess of things') + verify.update('age') + print("bad sig accepted? %s" % verify.check_signature(sig)) - verify.update('mess of things'.encode('utf-8')) - verify.update('age'.encode('utf-8')) - print("bad sig accepted? %s" % verify.check_signature(sig)) + verify.update('message') + print("good sig accepted? %s\n" % verify.check_signature(sig)) - verify.update('message'.encode('utf-8')) - print("good sig accepted? %s\n" % verify.check_signature(sig)) + def test_dh(): + a_rng = rng('user') + b_rng = rng('user') - if sys.version_info[0] > 2: - print("ECDH tests currently do not run under Python3, sorry!\n") - else: - for dh_grps in ['secp256r1', 'curve25519']: - dh_grp = dh_grps.encode('utf-8') + for dh_grp in ['secp256r1', 'curve25519']: dh_kdf = 'KDF2(SHA-384)'.encode('utf-8') - a_dh_priv = private_key('ecdh', dh_grp, r) + a_dh_priv = private_key('ecdh', dh_grp, rng()) a_dh_pub = a_dh_priv.get_public_key() - b_dh_priv = private_key('ecdh', dh_grp, r) + b_dh_priv = private_key('ecdh', dh_grp, rng()) b_dh_pub = b_dh_priv.get_public_key() a_dh = pk_op_key_agreement(a_dh_priv, dh_kdf) b_dh = pk_op_key_agreement(b_dh_priv, dh_kdf) + a_salt = a_rng.get(8) + b_salt = b_rng.get(8) + + print("ecdh %s pubs:\n %s (salt %s)\n %s (salt %s)\n" % + (dh_grp, + hex_encode(a_dh.public_value()), + hex_encode(a_salt), + hex_encode(b_dh.public_value()), + hex_encode(b_salt))) - print("ecdh %s pubs:\n %s\n %s\n" % - (dh_grps, - hexlify(a_dh.public_value()).decode('utf-8'), - hexlify(b_dh.public_value()).decode('utf-8'))) - - a_key = a_dh.agree(b_dh.public_value(), 20, 'salt'.encode('utf-8')) - b_key = b_dh.agree(a_dh.public_value(), 20, 'salt'.encode('utf-8')) + a_key = a_dh.agree(b_dh.public_value(), 32, a_salt + b_salt) + b_key = b_dh.agree(a_dh.public_value(), 32, a_salt + b_salt) print("ecdh %s shared:\n %s\n %s\n" % - (dh_grps, hexlify(a_key).decode('utf-8'), hexlify(b_key).decode('utf-8'))) + (dh_grp, hex_encode(a_key), hex_encode(b_key))) - # ========== X509 stuff ============ - if sys.version_info[0] > 2: - print("Certificate parsing tests currently do not run under Python3, sorry!\n") - else: - print("CSCA (Germany) Certificate\nDetails:") + def test_certs(): cert = x509_cert("src/tests/data/ecc/CSCA.CSCA.csca-germany.1.crt") + print("CSCA (Germany) Certificate\nDetails:") print("SHA-1 fingerprint: %s" % cert.fingerprint("SHA-1")) - print("Expected: 32:42:1C:C3:EC:54:D7:E9:43:EC:51:F0:19:23:BD:85:1D:F2:1B:B9\n") + print("Expected: 32:42:1C:C3:EC:54:D7:E9:43:EC:51:F0:19:23:BD:85:1D:F2:1B:B9") print("Not before: %s" % cert.time_starts()) print("Not after: %s" % cert.time_expires()) - print("Serial number: %s" % hexlify(cert.serial_number())) - print("Subject Key ID: %s" % hexlify(cert.subject_key_id())) - print("Authority Key ID: %s\n" % hexlify(cert.authority_key_id())) - print("Public key bits:\n%s\n" % hexlify(cert.subject_public_key_bits())) + print("Serial number: %s" % hex_encode(cert.serial_number())) + print("Authority Key ID: %s" % hex_encode(cert.authority_key_id())) + print("Subject Key ID: %s" % hex_encode(cert.subject_key_id())) + print("Public key bits:\n%s\n" % hex_encode(cert.subject_public_key_bits())) print(cert.to_string()) - return + test_version() + test_kdf() + test_pbkdf() + test_hmac() + test_rng() + test_hash() + test_cipher() + test_mceliece() + test_rsa() + test_dh() + test_certs() def main(args = None): |