old_contents: # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #    http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
  # implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  from __future__ import absolute_import, division, print_function
  
  INCLUDES = """
  #include <openssl/aes.h>
  """
  
  TYPES = """
  static const int Cryptography_HAS_AES_WRAP;
  
  struct aes_key_st {
      ...;
  };
  typedef struct aes_key_st AES_KEY;
  """
  
  FUNCTIONS = """
  int AES_set_encrypt_key(const unsigned char *, const int, AES_KEY *);
  int AES_set_decrypt_key(const unsigned char *, const int, AES_KEY *);
  """
  
  MACROS = """
  /* these can be moved back to FUNCTIONS once we drop support for 0.9.8h.
     This should be when we drop RHEL/CentOS 5, which is on 0.9.8e. */
  int AES_wrap_key(AES_KEY *, const unsigned char *, unsigned char *,
                   const unsigned char *, unsigned int);
  int AES_unwrap_key(AES_KEY *, const unsigned char *, unsigned char *,
                     const unsigned char *, unsigned int);
  
  /* The ctr128_encrypt function is only useful in 0.9.8. You should use EVP for
     this in 1.0.0+. It is defined in macros because the function signature
     changed after 0.9.8 */
  void AES_ctr128_encrypt(const unsigned char *, unsigned char *,
                          const size_t, const AES_KEY *,
                          unsigned char[], unsigned char[], unsigned int *);
  
  """
  
  CUSTOMIZATIONS = """
  // OpenSSL 0.9.8h+
  #if OPENSSL_VERSION_NUMBER >= 0x0090808fL
  static const long Cryptography_HAS_AES_WRAP = 1;
  #else
  static const long Cryptography_HAS_AES_WRAP = 0;
  int (*AES_wrap_key)(AES_KEY *, const unsigned char *, unsigned char *,
                      const unsigned char *, unsigned int) = NULL;
  int (*AES_unwrap_key)(AES_KEY *, const unsigned char *, unsigned char *,
                        const unsigned char *, unsigned int) = NULL;
  #endif
  
  """
  
  CONDITIONAL_NAMES = {
      "Cryptography_HAS_AES_WRAP": [
          "AES_wrap_key",
          "AES_unwrap_key",
      ],
  }
  
new_contents: # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #    http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
  # implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  from __future__ import absolute_import, division, print_function
  
  INCLUDES = """
  #include <openssl/aes.h>
  """
  
  TYPES = """
  static const int Cryptography_HAS_AES_WRAP;
  
  struct aes_key_st {
      ...;
  };
  typedef struct aes_key_st AES_KEY;
  """
  
  FUNCTIONS = """
  int AES_set_encrypt_key(const unsigned char *, const int, AES_KEY *);
  int AES_set_decrypt_key(const unsigned char *, const int, AES_KEY *);
  """
  
  MACROS = """
  /* these can be moved back to FUNCTIONS once we drop support for 0.9.8h.
     This should be when we drop RHEL/CentOS 5, which is on 0.9.8e. */
  int AES_wrap_key(AES_KEY *, const unsigned char *, unsigned char *,
                   const unsigned char *, unsigned int);
  int AES_unwrap_key(AES_KEY *, const unsigned char *, unsigned char *,
                     const unsigned char *, unsigned int);
  
  /* The ctr128_encrypt function is only useful in 0.9.8. You should use EVP for
     this in 1.0.0+. It is defined in macros because the function signature
     changed after 0.9.8 */
  void AES_ctr128_encrypt(const unsigned char *, unsigned char *,
                          const size_t, const AES_KEY *,
                          unsigned char[], unsigned char[], unsigned int *);
  
  """
  
  CUSTOMIZATIONS = """
  /* OpenSSL 0.9.8h+ */
  #if OPENSSL_VERSION_NUMBER >= 0x0090808fL
  static const long Cryptography_HAS_AES_WRAP = 1;
  #else
  static const long Cryptography_HAS_AES_WRAP = 0;
  int (*AES_wrap_key)(AES_KEY *, const unsigned char *, unsigned char *,
                      const unsigned char *, unsigned int) = NULL;
  int (*AES_unwrap_key)(AES_KEY *, const unsigned char *, unsigned char *,
                        const unsigned char *, unsigned int) = NULL;
  #endif
  
  """
  
  CONDITIONAL_NAMES = {
      "Cryptography_HAS_AES_WRAP": [
          "AES_wrap_key",
          "AES_unwrap_key",
      ],
  }
  
subject: Fix aes.py comment style