/usr/include/bobcat/symcryptstreambufbase is in libbobcat-dev 3.23.01-1.
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 | #ifndef INCLUDED_BOBCAT_SYMCRYPTSTREAMBUFBASE_
#define INCLUDED_BOBCAT_SYMCRYPTSTREAMBUFBASE_
#include <memory>
#include <iosfwd>
#include <string>
#include <openssl/evp.h>
#include <bobcat/ifilterstreambuf>
namespace FBB
{
namespace IUO // the facilities defined here are not further documented:
{ // the SymCryptStreambufBase class defined below should be
// used by ISymCryptStreambuf only.
class SymCryptStreambufBase: public FBB::IFilterStreambuf
{
EVP_CIPHER_CTX d_ctx;
size_t d_inBufSize;
size_t d_blockSize;
size_t d_outBufSize = 0;
bool d_allDone = false;
std::istream &d_in;
int (*d_evpUpdate)(EVP_CIPHER_CTX *ctx,
unsigned char *out, int *outl,
unsigned char const *in, int inl);
int (*d_evpFinal_ex)(EVP_CIPHER_CTX *, unsigned char *out, int *outl);
std::unique_ptr<char> d_outBuf;
std::unique_ptr<char> d_inBuf;
public:
SymCryptStreambufBase(
int (*evpInit)(EVP_CIPHER_CTX *, EVP_CIPHER const *,
ENGINE *impl,
unsigned char const *key, unsigned char const *iv),
int (*evpUpdate)(EVP_CIPHER_CTX *ctx, unsigned char *out,
int *outl, unsigned char const *in, int inl),
int (*evpFinal)(EVP_CIPHER_CTX *ctx, unsigned char *out,
int *outl),
std::istream &in, char const *type,
std::string const &key, std::string const &iv,
size_t bufSize, size_t filterBufSize,
ENGINE *engine
);
private:
bool filter(char const **srcBegin, char const **srcEnd) override;
void checkOutBufSize(size_t inputSize);
};
} // IUO
} // FBB
#endif
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