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
|
#ifndef CRYPTOPP_PKCSPAD_H
#define CRYPTOPP_PKCSPAD_H
#include "cryptlib.h"
#include "pubkey.h"
#ifdef CRYPTOPP_IS_DLL
#include "sha.h"
#endif
NAMESPACE_BEGIN(CryptoPP)
//! <a href="http://www.weidai.com/scan-mirror/ca.html#cem_PKCS1-1.5">EME-PKCS1-v1_5</a>
class PKCS_EncryptionPaddingScheme : public PK_EncryptionMessageEncodingMethod
{
public:
static const char * StaticAlgorithmName() {return "EME-PKCS1-v1_5";}
unsigned int MaxUnpaddedLength(unsigned int paddedLength) const;
void Pad(RandomNumberGenerator &rng, const byte *raw, unsigned int inputLength, byte *padded, unsigned int paddedLength, const NameValuePairs ¶meters) const;
DecodingResult Unpad(const byte *padded, unsigned int paddedLength, byte *raw, const NameValuePairs ¶meters) const;
};
template <class H> class PKCS_DigestDecoration
{
public:
static const byte decoration[];
static const unsigned int length;
};
// PKCS_DigestDecoration can be instantiated with the following
// classes as specified in PKCS#1 v2.0 and P1363a
class SHA;
class MD2;
class MD5;
class RIPEMD160;
class Tiger;
class SHA256;
class SHA384;
class SHA512;
// end of list
//! <a href="http://www.weidai.com/scan-mirror/sig.html#sem_PKCS1-1.5">EMSA-PKCS1-v1_5</a>
class CRYPTOPP_DLL PKCS1v15_SignatureMessageEncodingMethod : public PK_DeterministicSignatureMessageEncodingMethod
{
public:
static const char * StaticAlgorithmName() {return "EMSA-PKCS1-v1_5";}
void ComputeMessageRepresentative(RandomNumberGenerator &rng,
const byte *recoverableMessage, unsigned int recoverableMessageLength,
HashTransformation &hash, HashIdentifier hashIdentifier, bool messageEmpty,
byte *representative, unsigned int representativeBitLength) const;
struct HashIdentifierLookup
{
template <class H> struct HashIdentifierLookup2
{
static HashIdentifier Lookup()
{
return HashIdentifier(PKCS_DigestDecoration<H>::decoration, PKCS_DigestDecoration<H>::length);
}
};
};
};
//! PKCS #1 version 1.5, for use with RSAES and RSASS
/*! Only the following hash functions are supported by this signature standard:
\dontinclude pkcspad.h
\skip can be instantiated
\until end of list
*/
struct PKCS1v15 : public SignatureStandard, public EncryptionStandard
{
typedef PKCS_EncryptionPaddingScheme EncryptionMessageEncodingMethod;
typedef PKCS1v15_SignatureMessageEncodingMethod SignatureMessageEncodingMethod;
};
#ifdef CRYPTOPP_IS_DLL
CRYPTOPP_DLL_TEMPLATE_CLASS PKCS_DigestDecoration<SHA>;
#endif
NAMESPACE_END
#endif
|
