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Introduction
Cryptography Extensions
PHP Manual

# Mcrypt

- Introduction
- Installing/Configuring
  - Requirements
  - Installation
  - Runtime Configuration
  - Resource Types
- Predefined Constants
- Mcrypt ciphers
- Examples
- Mcrypt Functions
  - mcrypt_cbc — Encrypts/decrypts data in CBC mode
  - mcrypt_cfb — Encrypts/decrypts data in CFB mode
  - mcrypt_create_iv — Creates an initialization vector (IV) from a random source
  - mcrypt_decrypt — Decrypts crypttext with given parameters
  - mcrypt_ecb — Deprecated: Encrypts/decrypts data in ECB mode
  - mcrypt_enc_get_algorithms_name — Returns the name of the opened algorithm
  - mcrypt_enc_get_block_size — Returns the blocksize of the opened algorithm
  - mcrypt_enc_get_iv_size — Returns the size of the IV of the opened algorithm
  - mcrypt_enc_get_key_size — Returns the maximum supported keysize of the opened mode
  - mcrypt_enc_get_modes_name — Returns the name of the opened mode
  - mcrypt_enc_get_supported_key_sizes — Returns an array with the supported keysizes of the opened algorithm
  - mcrypt_enc_is_block_algorithm_mode — Checks whether the encryption of the opened mode works on blocks
  - mcrypt_enc_is_block_algorithm — Checks whether the algorithm of the opened mode is a block algorithm
  - mcrypt_enc_is_block_mode — Checks whether the opened mode outputs blocks
  - mcrypt_enc_self_test — Runs a self test on the opened module
  - mcrypt_encrypt — Encrypts plaintext with given parameters
  - mcrypt_generic_deinit — This function deinitializes an encryption module
  - mcrypt_generic_end — This function terminates encryption
  - mcrypt_generic_init — This function initializes all buffers needed for encryption
  - mcrypt_generic — This function encrypts data
  - mcrypt_get_block_size — Gets the block size of the specified cipher
  - mcrypt_get_cipher_name — Gets the name of the specified cipher
  - mcrypt_get_iv_size — Returns the size of the IV belonging to a specific cipher/mode combination
  - mcrypt_get_key_size — Gets the key size of the specified cipher
  - mcrypt_list_algorithms — Gets an array of all supported ciphers
  - mcrypt_list_modes — Gets an array of all supported modes
  - mcrypt_module_close — Closes the mcrypt module
  - mcrypt_module_get_algo_block_size — Returns the blocksize of the specified algorithm
  - mcrypt_module_get_algo_key_size — Returns the maximum supported keysize of the opened mode
  - mcrypt_module_get_supported_key_sizes — Returns an array with the supported keysizes of the opened algorithm
  - mcrypt_module_is_block_algorithm_mode — Returns if the specified module is a block algorithm or not
  - mcrypt_module_is_block_algorithm — This function checks whether the specified algorithm is a block algorithm
  - mcrypt_module_is_block_mode — Returns if the specified mode outputs blocks or not
  - mcrypt_module_open — Opens the module of the algorithm and the mode to be used
  - mcrypt_module_self_test — This function runs a self test on the specified module
  - mcrypt_ofb — Encrypts/decrypts data in OFB mode
  - mdecrypt_generic — Decrypts data

hash
Introduction
Cryptography Extensions
PHP Manual