/usr/include/botan-1.10/botan/eme.h is in libbotan1.10-dev 1.10.12-1.
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 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 | /*
* EME Classes
* (C) 1999-2007 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#ifndef BOTAN_PUBKEY_EME_ENCRYPTION_PAD_H__
#define BOTAN_PUBKEY_EME_ENCRYPTION_PAD_H__
#include <botan/secmem.h>
#include <botan/rng.h>
namespace Botan {
/**
* Encoding Method for Encryption
*/
class BOTAN_DLL EME
{
public:
/**
* Return the maximum input size in bytes we can support
* @param keybits the size of the key in bits
* @return upper bound of input in bytes
*/
virtual size_t maximum_input_size(size_t keybits) const = 0;
/**
* Encode an input
* @param in the plaintext
* @param in_length length of plaintext in bytes
* @param key_length length of the key in bits
* @param rng a random number generator
* @return encoded plaintext
*/
SecureVector<byte> encode(const byte in[],
size_t in_length,
size_t key_length,
RandomNumberGenerator& rng) const;
/**
* Encode an input
* @param in the plaintext
* @param key_length length of the key in bits
* @param rng a random number generator
* @return encoded plaintext
*/
SecureVector<byte> encode(const MemoryRegion<byte>& in,
size_t key_length,
RandomNumberGenerator& rng) const;
/**
* Decode an input
* @param in the encoded plaintext
* @param in_length length of encoded plaintext in bytes
* @param key_length length of the key in bits
* @return plaintext
*/
SecureVector<byte> decode(const byte in[],
size_t in_length,
size_t key_length) const;
/**
* Decode an input
* @param in the encoded plaintext
* @param key_length length of the key in bits
* @return plaintext
*/
SecureVector<byte> decode(const MemoryRegion<byte>& in,
size_t key_length) const;
virtual ~EME() {}
private:
/**
* Encode an input
* @param in the plaintext
* @param in_length length of plaintext in bytes
* @param key_length length of the key in bits
* @param rng a random number generator
* @return encoded plaintext
*/
virtual SecureVector<byte> pad(const byte in[],
size_t in_length,
size_t key_length,
RandomNumberGenerator& rng) const = 0;
/**
* Decode an input
* @param in the encoded plaintext
* @param in_length length of encoded plaintext in bytes
* @param key_length length of the key in bits
* @return plaintext
*/
virtual SecureVector<byte> unpad(const byte in[],
size_t in_length,
size_t key_length) const = 0;
};
}
#endif
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