ARC4 Class Reference

#include <ARC4.h>

Public Member Functions
	ARC4 (uint32 len)
	ARC4 (uint8 *seed, uint32 len)
	~ARC4 ()
void	Init (uint8 *seed)
void	UpdateData (int len, uint8 *data)

Private Attributes
EVP_CIPHER_CTX	m_ctx

Constructor & Destructor Documentation

ARC4::ARC4

(

uint32

len

)

 : m_ctx()
{
 EVP_CIPHER_CTX_init(&m_ctx);
 EVP_EncryptInit_ex(&m_ctx, EVP_rc4(), NULL, NULL, NULL);
 EVP_CIPHER_CTX_set_key_length(&m_ctx, len);
}

ARC4::ARC4	(	uint8 *	seed,
		uint32	len
	)

 : m_ctx()
{
 EVP_CIPHER_CTX_init(&m_ctx);
 EVP_EncryptInit_ex(&m_ctx, EVP_rc4(), NULL, NULL, NULL);
 EVP_CIPHER_CTX_set_key_length(&m_ctx, len);
 EVP_EncryptInit_ex(&m_ctx, NULL, NULL, seed, NULL);
}

ARC4::~ARC4

(

)

{
 EVP_CIPHER_CTX_cleanup(&m_ctx);
}

Member Function Documentation

void ARC4::Init

(

uint8 *

seed

)

{
 EVP_EncryptInit_ex(&m_ctx, NULL, NULL, seed, NULL);
}

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void ARC4::UpdateData	(	int	len,
		uint8 *	data
	)

{
 int outlen = 0;
 EVP_EncryptUpdate(&m_ctx, data, &outlen, data, len);
 EVP_EncryptFinal_ex(&m_ctx, data, &outlen);
}

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Member Data Documentation

EVP_CIPHER_CTX ARC4::m_ctx

private

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The documentation for this class was generated from the following files:

• src/common/Cryptography/ARC4.h
• src/common/Cryptography/ARC4.cpp