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Implement direct file i/o to- and from blocks.

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Leonetienne
2022-05-26 04:22:42 +02:00
parent 101a1e0fd6
commit 81a9570673
7 changed files with 205 additions and 56 deletions
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42
GCryptLib/src/GWrapper.cpp
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@@ -46,14 +46,23 @@ namespace Leonetienne::GCrypt {
bool printProgressReport)
{
try {
// Read the file to bits
const Flexblock cleartext_bits = ReadFileToBits(filename_in);
// Read the file to blocks
const std::vector<Block> cleartext_blocks = ReadFileToBlocks(filename_in);
// Encrypt our cleartext bits
const Flexblock ciphertext_bits = CipherFlexblock(cleartext_bits, key, GCipher::DIRECTION::ENCIPHER);
// Encrypt our cleartext blocks
std::vector<Block> ciphertext_blocks;
ciphertext_blocks.reserve(cleartext_blocks.size());
// Write our ciphertext bits to file
WriteBitsToFile(filename_out, ciphertext_bits);
// Create cipher instance
GCipher cipher(key, GCipher::DIRECTION::ENCIPHER);
// Encrypt all blocks
for (const Block& clearBlock : cleartext_blocks) {
ciphertext_blocks.emplace_back(cipher.Digest(clearBlock));
}
// Write our ciphertext blocks to file
WriteBlocksToFile(filename_out, ciphertext_blocks);
return true;
}
@@ -69,14 +78,23 @@ namespace Leonetienne::GCrypt {
bool printProgressReport)
{
try {
// Read the file to bits
const Flexblock ciphertext_bits = ReadFileToBits(filename_in);
// Read the file to blocks
const std::vector<Block> ciphertext_blocks = ReadFileToBlocks(filename_in);
// Decrypt the ciphertext bits
const Flexblock cleartext_bits = CipherFlexblock(ciphertext_bits, key, GCipher::DIRECTION::DECIPHER);
// Decrypt our cleartext blocks
std::vector<Block> cleartext_blocks;
cleartext_blocks.reserve(ciphertext_blocks.size());
// Write our cleartext bits to file
WriteBitsToFile(filename_out, cleartext_bits);
// Create cipher instance
GCipher cipher(key, GCipher::DIRECTION::DECIPHER);
// Decrypt all blocks
for (const Block& cipherBlock : ciphertext_blocks) {
cleartext_blocks.emplace_back(cipher.Digest(cipherBlock));
}
// Write our cleartext blocks to file
WriteBlocksToFile(filename_out, cleartext_blocks);
return true;
}