[tor-commits] [stem/master] Drop debug print statments

[atagar@xxxxxxxxxxxxxx]

commit ae46b18eadf02d8d89e2f393c387deea119d47e6
Author: Damian Johnson <atagar@xxxxxxxxxxxxxx>
Date:   Tue Oct 1 14:59:23 2019 -0700

    Drop debug print statments
    
    Time to drop the debugging statements asn included while developing this.
---
 stem/descriptor/hidden_service.py |  2 +-
 stem/descriptor/hsv3_crypto.py    | 31 -------------------------------
 2 files changed, 1 insertion(+), 32 deletions(-)

diff --git a/stem/descriptor/hidden_service.py b/stem/descriptor/hidden_service.py
index 802ca6c4..33806ce5 100644
--- a/stem/descriptor/hidden_service.py
+++ b/stem/descriptor/hidden_service.py
@@ -582,7 +582,7 @@ class HiddenServiceDescriptorV3(BaseHiddenServiceDescriptor):
 
     inner_layer_plaintext = stem.descriptor.hsv3_crypto.decrypt_inner_layer(inner_layer_ciphertext, self.revision_counter, identity_public_key_bytes, blinded_key_bytes, subcredential_bytes)
 
-    print(inner_layer_plaintext)
+    return inner_layer_plaintext
 
 
 # TODO: drop this alias in stem 2.x
diff --git a/stem/descriptor/hsv3_crypto.py b/stem/descriptor/hsv3_crypto.py
index 248eacec..f768659f 100644
--- a/stem/descriptor/hsv3_crypto.py
+++ b/stem/descriptor/hsv3_crypto.py
@@ -110,13 +110,6 @@ def get_subcredential(public_identity_key, blinded_key):
   credential = hashlib.sha3_256(b'%s%s' % (cred_bytes_constant, public_identity_key)).digest()
   subcredential = hashlib.sha3_256(b'%s%s%s' % (subcred_bytes_constant, credential, blinded_key)).digest()
 
-  print('public_identity_key: %s' % (binascii.hexlify(public_identity_key)))
-  print('credential: %s' % (binascii.hexlify(credential)))
-  print('blinded_key: %s' % (binascii.hexlify(blinded_key)))
-  print('subcredential: %s' % (binascii.hexlify(subcredential)))
-
-  print('===')
-
   return subcredential
 
 
@@ -173,10 +166,6 @@ def _ciphertext_mac_is_valid(key, salt, ciphertext, mac):
   my_mac_body = b'%s%s%s%s%s' % (key_len, key, salt_len, salt, ciphertext)
   my_mac = hashlib.sha3_256(my_mac_body).digest()
 
-  print('===')
-  print('my mac: %s' % binascii.hexlify(my_mac))
-  print('their mac: %s' % binascii.hexlify(mac))
-
   # Compare the two MACs
   return my_mac == mac
 
@@ -198,23 +187,11 @@ def _decrypt_descriptor_layer(ciphertext_blob_b64, revision_counter, public_iden
   ciphertext = ciphertext_blob[16:-32]
   mac = ciphertext_blob[-32:]
 
-  print('encrypted blob lenth :%s' % len(ciphertext_blob))
-  print('salt: %s' % binascii.hexlify(salt))
-  print('ciphertext length: %s' % len(ciphertext))
-  print('mac: %s' % binascii.hexlify(mac))
-  print('===')
-
   # INT_8(revision_counter)
   rev_counter_int_8 = struct.pack('>Q', revision_counter)
   secret_input = b'%s%s%s' % (secret_data, subcredential, rev_counter_int_8)
   secret_input = secret_input
 
-  print('secret_data (%d): %s' % (len(secret_data), binascii.hexlify(secret_data)))
-  print('subcredential (%d): %s' % (len(subcredential), binascii.hexlify(subcredential)))
-  print('rev counter int 8 (%d): %s' % (len(rev_counter_int_8), binascii.hexlify(rev_counter_int_8)))
-  print('secret_input (%s): %s' % (len(secret_input), binascii.hexlify(secret_input)))
-  print('===')
-
   kdf = hashlib.shake_256(b'%s%s%s' % (secret_input, salt, string_constant))
   keys = kdf.digest(S_KEY_LEN + S_IV_LEN + MAC_KEY_LEN)
 
@@ -222,10 +199,6 @@ def _decrypt_descriptor_layer(ciphertext_blob_b64, revision_counter, public_iden
   secret_iv = keys[S_KEY_LEN:S_KEY_LEN + S_IV_LEN]
   mac_key = keys[S_KEY_LEN + S_IV_LEN:]
 
-  print('secret_key: %s' % binascii.hexlify(secret_key))
-  print('secret_iv: %s' % binascii.hexlify(secret_iv))
-  print('mac_key: %s' % binascii.hexlify(mac_key))
-
   # Now time to decrypt descriptor
   cipher = Cipher(algorithms.AES(secret_key), modes.CTR(secret_iv), default_backend())
   decryptor = cipher.decryptor()
@@ -246,8 +219,6 @@ def decrypt_outter_layer(superencrypted_blob_b64, revision_counter, public_ident
   superencrypted_blob_b64_lines = superencrypted_blob_b64.split('\n')
   superencrypted_blob_b64 = ''.join(superencrypted_blob_b64_lines[1:-1])
 
-  print('====== Decrypting outter layer =======')
-
   return _decrypt_descriptor_layer(superencrypted_blob_b64, revision_counter, public_identity_key, subcredential, secret_data, string_constant)
 
 
@@ -255,8 +226,6 @@ def decrypt_inner_layer(encrypted_blob_b64, revision_counter, public_identity_ke
   secret_data = blinded_key
   string_constant = b'hsdir-encrypted-data'
 
-  print('====== Decrypting inner layer =======')
-
   return _decrypt_descriptor_layer(encrypted_blob_b64, revision_counter, public_identity_key, subcredential, secret_data, string_constant)
 
 



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