# Vault 7: Projects

This publication series is about specific projects related to the Vault 7 main publication.

### Protego

# MLA -- Crypto Library

1 January, 2012

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1.5.3 CRYPTO_CONFIG_AES_KEY_256_ENABLE Macro
File
crypto_config_template.h
Syntax
#define CRYPTO_CONFIG_AES_KEY_256_ENABLE
Description
Define this macro to use 256-bit key lengths. Enabling this will actually enable CRYPTO_CONFIG_AES_KEY_DYNAMIC
1.5.4 CRYPTO_CONFIG_AES_KEY_DYNAMIC_ENABLE
Macro
File
crypto_config_template.h
Syntax
#define CRYPTO_CONFIG_AES_KEY_DYNAMIC_ENABLE
Description
Define this macro to dynamically determine key length at runtime
1.5.5 CRYPTO_CONFIG_BLOCK_MAX_SIZE Macro
File
crypto_config_template.h
Syntax
#define CRYPTO_CONFIG_BLOCK_MAX_SIZE 16ul
Description
Block Cipher Configuration options (AES, TDES, XTEA)
************************************************************************************************************************
Defines the largest block size used by the ciphers you are using with the block cipher modes of operation
1.5 Configuring the Library MLA - Crypto Library Help CRYPTO_CONFIG_BLOCK_MAX_SIZE
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