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Remove unused AES-128 code

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This commit is contained in:
practicalswift
2019-03-25 14:46:30 +01:00
parent 7b13c64645
commit f6ee177f7d
3 changed files with 0 additions and 200 deletions
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62
src/crypto/aes.cpp
View File

@@ -12,36 +12,6 @@ extern "C" {
#include <crypto/ctaes/ctaes.c>
}
AES128Encrypt::AES128Encrypt(const unsigned char key[16])
{
AES128_init(&ctx, key);
}
AES128Encrypt::~AES128Encrypt()
{
memset(&ctx, 0, sizeof(ctx));
}
void AES128Encrypt::Encrypt(unsigned char ciphertext[16], const unsigned char plaintext[16]) const
{
AES128_encrypt(&ctx, 1, ciphertext, plaintext);
}
AES128Decrypt::AES128Decrypt(const unsigned char key[16])
{
AES128_init(&ctx, key);
}
AES128Decrypt::~AES128Decrypt()
{
memset(&ctx, 0, sizeof(ctx));
}
void AES128Decrypt::Decrypt(unsigned char plaintext[16], const unsigned char ciphertext[16]) const
{
AES128_decrypt(&ctx, 1, plaintext, ciphertext);
}
AES256Encrypt::AES256Encrypt(const unsigned char key[32])
{
AES256_init(&ctx, key);
@@ -182,35 +152,3 @@ AES256CBCDecrypt::~AES256CBCDecrypt()
{
memset(iv, 0, sizeof(iv));
}
AES128CBCEncrypt::AES128CBCEncrypt(const unsigned char key[AES128_KEYSIZE], const unsigned char ivIn[AES_BLOCKSIZE], bool padIn)
: enc(key), pad(padIn)
{
memcpy(iv, ivIn, AES_BLOCKSIZE);
}
AES128CBCEncrypt::~AES128CBCEncrypt()
{
memset(iv, 0, AES_BLOCKSIZE);
}
int AES128CBCEncrypt::Encrypt(const unsigned char* data, int size, unsigned char* out) const
{
return CBCEncrypt(enc, iv, data, size, pad, out);
}
AES128CBCDecrypt::AES128CBCDecrypt(const unsigned char key[AES128_KEYSIZE], const unsigned char ivIn[AES_BLOCKSIZE], bool padIn)
: dec(key), pad(padIn)
{
memcpy(iv, ivIn, AES_BLOCKSIZE);
}
AES128CBCDecrypt::~AES128CBCDecrypt()
{
memset(iv, 0, AES_BLOCKSIZE);
}
int AES128CBCDecrypt::Decrypt(const unsigned char* data, int size, unsigned char* out) const
{
return CBCDecrypt(dec, iv, data, size, pad, out);
}

51
src/crypto/aes.h
View File

@@ -12,33 +12,8 @@ extern "C" {
}
static const int AES_BLOCKSIZE = 16;
static const int AES128_KEYSIZE = 16;
static const int AES256_KEYSIZE = 32;
/** An encryption class for AES-128. */
class AES128Encrypt
{
private:
AES128_ctx ctx;
public:
explicit AES128Encrypt(const unsigned char key[16]);
~AES128Encrypt();
void Encrypt(unsigned char ciphertext[16], const unsigned char plaintext[16]) const;
};
/** A decryption class for AES-128. */
class AES128Decrypt
{
private:
AES128_ctx ctx;
public:
explicit AES128Decrypt(const unsigned char key[16]);
~AES128Decrypt();
void Decrypt(unsigned char plaintext[16], const unsigned char ciphertext[16]) const;
};
/** An encryption class for AES-256. */
class AES256Encrypt
{
@@ -89,30 +64,4 @@ private:
unsigned char iv[AES_BLOCKSIZE];
};
class AES128CBCEncrypt
{
public:
AES128CBCEncrypt(const unsigned char key[AES128_KEYSIZE], const unsigned char ivIn[AES_BLOCKSIZE], bool padIn);
~AES128CBCEncrypt();
int Encrypt(const unsigned char* data, int size, unsigned char* out) const;
private:
const AES128Encrypt enc;
const bool pad;
unsigned char iv[AES_BLOCKSIZE];
};
class AES128CBCDecrypt
{
public:
AES128CBCDecrypt(const unsigned char key[AES128_KEYSIZE], const unsigned char ivIn[AES_BLOCKSIZE], bool padIn);
~AES128CBCDecrypt();
int Decrypt(const unsigned char* data, int size, unsigned char* out) const;
private:
const AES128Decrypt dec;
const bool pad;
unsigned char iv[AES_BLOCKSIZE];
};
#endif // BITCOIN_CRYPTO_AES_H