blob: f675d5286d77ed74b158ed0231c47b7150c2c257 (
plain)
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
|
/*
* OAEP
* (C) 1999-2007 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#ifndef BOTAN_OAEP_H__
#define BOTAN_OAEP_H__
#include <botan/eme.h>
#include <botan/hash.h>
namespace Botan {
/**
* OAEP (called EME1 in IEEE 1363 and in earlier versions of the library)
*/
class BOTAN_PUBLIC_API(2,0) OAEP final : public EME
{
public:
size_t maximum_input_size(size_t) const override;
/**
* @param hash function to use for hashing (takes ownership)
* @param P an optional label. Normally empty.
*/
OAEP(HashFunction* hash, const std::string& P = "");
private:
secure_vector<uint8_t> pad(const uint8_t in[],
size_t in_length,
size_t key_length,
RandomNumberGenerator& rng) const override;
secure_vector<uint8_t> unpad(uint8_t& valid_mask,
const uint8_t in[],
size_t in_len) const override;
secure_vector<uint8_t> m_Phash;
std::unique_ptr<HashFunction> m_hash;
};
}
#endif
|
