/usr/include/crypto++/default.h is in libcrypto++-dev 5.6.1-9.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 | #ifndef CRYPTOPP_DEFAULT_H
#define CRYPTOPP_DEFAULT_H
#include "sha.h"
#include "hmac.h"
#include "des.h"
#include "filters.h"
#include "modes.h"
NAMESPACE_BEGIN(CryptoPP)
typedef DES_EDE2 Default_BlockCipher;
typedef SHA DefaultHashModule;
typedef HMAC<DefaultHashModule> DefaultMAC;
//! Password-Based Encryptor using DES-EDE2
class DefaultEncryptor : public ProxyFilter
{
public:
DefaultEncryptor(const char *passphrase, BufferedTransformation *attachment = NULL);
DefaultEncryptor(const byte *passphrase, size_t passphraseLength, BufferedTransformation *attachment = NULL);
protected:
void FirstPut(const byte *);
void LastPut(const byte *inString, size_t length);
private:
SecByteBlock m_passphrase;
CBC_Mode<Default_BlockCipher>::Encryption m_cipher;
};
//! Password-Based Decryptor using DES-EDE2
class DefaultDecryptor : public ProxyFilter
{
public:
DefaultDecryptor(const char *passphrase, BufferedTransformation *attachment = NULL, bool throwException=true);
DefaultDecryptor(const byte *passphrase, size_t passphraseLength, BufferedTransformation *attachment = NULL, bool throwException=true);
class Err : public Exception
{
public:
Err(const std::string &s)
: Exception(DATA_INTEGRITY_CHECK_FAILED, s) {}
};
class KeyBadErr : public Err {public: KeyBadErr() : Err("DefaultDecryptor: cannot decrypt message with this passphrase") {}};
enum State {WAITING_FOR_KEYCHECK, KEY_GOOD, KEY_BAD};
State CurrentState() const {return m_state;}
protected:
void FirstPut(const byte *inString);
void LastPut(const byte *inString, size_t length);
State m_state;
private:
void CheckKey(const byte *salt, const byte *keyCheck);
SecByteBlock m_passphrase;
CBC_Mode<Default_BlockCipher>::Decryption m_cipher;
member_ptr<FilterWithBufferedInput> m_decryptor;
bool m_throwException;
};
//! Password-Based Encryptor using DES-EDE2 and HMAC/SHA-1
class DefaultEncryptorWithMAC : public ProxyFilter
{
public:
DefaultEncryptorWithMAC(const char *passphrase, BufferedTransformation *attachment = NULL);
DefaultEncryptorWithMAC(const byte *passphrase, size_t passphraseLength, BufferedTransformation *attachment = NULL);
protected:
void FirstPut(const byte *inString) {}
void LastPut(const byte *inString, size_t length);
private:
member_ptr<DefaultMAC> m_mac;
};
//! Password-Based Decryptor using DES-EDE2 and HMAC/SHA-1
class DefaultDecryptorWithMAC : public ProxyFilter
{
public:
class MACBadErr : public DefaultDecryptor::Err {public: MACBadErr() : DefaultDecryptor::Err("DefaultDecryptorWithMAC: MAC check failed") {}};
DefaultDecryptorWithMAC(const char *passphrase, BufferedTransformation *attachment = NULL, bool throwException=true);
DefaultDecryptorWithMAC(const byte *passphrase, size_t passphraseLength, BufferedTransformation *attachment = NULL, bool throwException=true);
DefaultDecryptor::State CurrentState() const;
bool CheckLastMAC() const;
protected:
void FirstPut(const byte *inString) {}
void LastPut(const byte *inString, size_t length);
private:
member_ptr<DefaultMAC> m_mac;
HashVerifier *m_hashVerifier;
bool m_throwException;
};
NAMESPACE_END
#endif
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