88 lines
2.4 KiB
C++
88 lines
2.4 KiB
C++
#include "GhettoCipherWrapper.h"
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#include "Cipher.h"
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#include "Util.h"
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std::string GhettoCipher::GhettoCryptWrapper::EncryptString(const std::string& cleartext, const std::string& password)
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{
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// Instanciate our cipher and supply a key
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Cipher cipher(password);
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// Recode the ascii-string to bits
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const Flexblock cleartext_bits = StringToBits(cleartext);
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// Encrypt our cleartext bits
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const Flexblock ciphertext_bits = cipher.Encipher(cleartext_bits);
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// Recode the ciphertext bits to a hex-string
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const std::string ciphertext = BitsToHexstring(ciphertext_bits);
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// Return it
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return ciphertext;
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}
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std::string GhettoCipher::GhettoCryptWrapper::DecryptString(const std::string& ciphertext, const std::string& password)
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{
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// Instanciate our cipher and supply a key
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Cipher cipher(password);
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// Recode the hex-string to bits
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const Flexblock ciphertext_bits = HexstringToBits(ciphertext);
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// Decrypt the ciphertext bits
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const std::string cleartext_bits = cipher.Decipher(ciphertext_bits);
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// Recode the cleartext bits to an ascii-string
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const std::string cleartext = BitsToString(cleartext_bits);
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// Return it
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return cleartext;
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}
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bool GhettoCipher::GhettoCryptWrapper::EncryptFile(const std::string& filename_in, const std::string& filename_out, const std::string& password)
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{
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try
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{
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// Read the file to bits
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const Flexblock cleartext_bits = ReadFileToBits(filename_in);
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// Instanciate our cipher and supply a key
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Cipher cipher(password);
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// Encrypt our cleartext bits
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const Flexblock ciphertext_bits = cipher.Encipher(cleartext_bits);
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// Write our ciphertext bits to file
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WriteBitsToFile(filename_out, ciphertext_bits);
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return true;
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}
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catch (std::runtime_error&)
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{
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return false;
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}
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}
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bool GhettoCipher::GhettoCryptWrapper::DecryptFile(const std::string& filename_in, const std::string& filename_out, const std::string& password)
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{
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try
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{
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// Read the file to bits
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const Flexblock ciphertext_bits = ReadFileToBits(filename_in);
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// Instanciate our cipher and supply a key
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Cipher cipher(password);
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// Decrypt the ciphertext bits
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const Flexblock cleartext_bits = cipher.Decipher(ciphertext_bits);
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// Write our cleartext bits to file
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WriteBitsToFile(filename_out, cleartext_bits);
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return true;
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}
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catch (std::runtime_error&)
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{
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return false;
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}
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}
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