Botan  1.10.9
Public Member Functions | List of all members
Botan::TLS_12_PRF Class Reference

#include <prf_tls.h>

Inheritance diagram for Botan::TLS_12_PRF:
Botan::KDF Botan::Algorithm

Public Member Functions

void clear ()
 
KDFclone () const
 
SecureVector< bytederive (size_t key_len, const byte secret[], size_t secret_len, const byte seed[], size_t seed_len) const
 
SecureVector< bytederive_key (size_t key_len, const MemoryRegion< byte > &secret, const std::string &salt="") const
 
SecureVector< bytederive_key (size_t key_len, const MemoryRegion< byte > &secret, const MemoryRegion< byte > &salt) const
 
SecureVector< bytederive_key (size_t key_len, const MemoryRegion< byte > &secret, const byte salt[], size_t salt_len) const
 
SecureVector< bytederive_key (size_t key_len, const byte secret[], size_t secret_len, const std::string &salt="") const
 
SecureVector< bytederive_key (size_t key_len, const byte secret[], size_t secret_len, const byte salt[], size_t salt_len) const
 
std::string name () const
 
 TLS_12_PRF (MessageAuthenticationCode *hmac)
 
 ~TLS_12_PRF ()
 

Detailed Description

PRF used in TLS 1.2

Definition at line 40 of file prf_tls.h.

Constructor & Destructor Documentation

Botan::TLS_12_PRF::TLS_12_PRF ( MessageAuthenticationCode hmac)

Definition at line 88 of file prf_tls.cpp.

88  : hmac(mac)
89  {
90  }
MessageAuthenticationCode * mac
Definition: fpe_fe1.cpp:94
Botan::TLS_12_PRF::~TLS_12_PRF ( )

Definition at line 92 of file prf_tls.cpp.

93  {
94  delete hmac;
95  }

Member Function Documentation

void Botan::KDF::clear ( )
inlinevirtualinherited

Zeroize internal state

Implements Botan::Algorithm.

Definition at line 81 of file kdf.h.

81 {}
KDF* Botan::TLS_12_PRF::clone ( ) const
inlinevirtual

Implements Botan::KDF.

Definition at line 48 of file prf_tls.h.

48 { return new TLS_12_PRF(hmac->clone()); }
TLS_12_PRF(MessageAuthenticationCode *hmac)
Definition: prf_tls.cpp:88
virtual MessageAuthenticationCode * clone() const =0
SecureVector< byte > Botan::TLS_12_PRF::derive ( size_t  key_len,
const byte  secret[],
size_t  secret_len,
const byte  seed[],
size_t  seed_len 
) const
virtual

Implements Botan::KDF.

Definition at line 97 of file prf_tls.cpp.

100  {
101  SecureVector<byte> output(key_len);
102 
103  P_hash(output, hmac, secret, secret_len, seed, seed_len);
104 
105  return output;
106  }
SecureVector< byte > Botan::KDF::derive_key ( size_t  key_len,
const MemoryRegion< byte > &  secret,
const std::string &  salt = "" 
) const
inherited

Derive a key

Parameters
key_lenthe desired output length in bytes
secretthe secret input
salta diversifier

Definition at line 15 of file kdf.cpp.

References Botan::MemoryRegion< T >::size().

Referenced by Botan::KDF::derive_key(), and Botan::PK_Key_Agreement::derive_key().

18  {
19  return derive_key(key_len, &secret[0], secret.size(),
20  reinterpret_cast<const byte*>(salt.data()),
21  salt.length());
22  }
unsigned char byte
Definition: types.h:22
SecureVector< byte > derive_key(size_t key_len, const MemoryRegion< byte > &secret, const std::string &salt="") const
Definition: kdf.cpp:15
size_t size() const
Definition: secmem.h:29
SecureVector< byte > Botan::KDF::derive_key ( size_t  key_len,
const MemoryRegion< byte > &  secret,
const MemoryRegion< byte > &  salt 
) const
inherited

Derive a key

Parameters
key_lenthe desired output length in bytes
secretthe secret input
salta diversifier

Definition at line 38 of file kdf.cpp.

References Botan::KDF::derive_key(), and Botan::MemoryRegion< T >::size().

41  {
42  return derive_key(key_len, &secret[0], secret.size(),
43  &salt[0], salt.size());
44  }
SecureVector< byte > derive_key(size_t key_len, const MemoryRegion< byte > &secret, const std::string &salt="") const
Definition: kdf.cpp:15
size_t size() const
Definition: secmem.h:29
SecureVector< byte > Botan::KDF::derive_key ( size_t  key_len,
const MemoryRegion< byte > &  secret,
const byte  salt[],
size_t  salt_len 
) const
inherited

Derive a key

Parameters
key_lenthe desired output length in bytes
secretthe secret input
salta diversifier
salt_lensize of salt in bytes

Definition at line 27 of file kdf.cpp.

References Botan::KDF::derive_key(), and Botan::MemoryRegion< T >::size().

30  {
31  return derive_key(key_len, &secret[0], secret.size(),
32  salt, salt_len);
33  }
SecureVector< byte > derive_key(size_t key_len, const MemoryRegion< byte > &secret, const std::string &salt="") const
Definition: kdf.cpp:15
size_t size() const
Definition: secmem.h:29
SecureVector< byte > Botan::KDF::derive_key ( size_t  key_len,
const byte  secret[],
size_t  secret_len,
const std::string &  salt = "" 
) const
inherited

Derive a key

Parameters
key_lenthe desired output length in bytes
secretthe secret input
secret_lensize of secret in bytes
salta diversifier

Definition at line 49 of file kdf.cpp.

References Botan::KDF::derive_key().

52  {
53  return derive_key(key_len, secret, secret_len,
54  reinterpret_cast<const byte*>(salt.data()),
55  salt.length());
56  }
SecureVector< byte > derive_key(size_t key_len, const MemoryRegion< byte > &secret, const std::string &salt="") const
Definition: kdf.cpp:15
SecureVector< byte > Botan::KDF::derive_key ( size_t  key_len,
const byte  secret[],
size_t  secret_len,
const byte  salt[],
size_t  salt_len 
) const
inherited

Derive a key

Parameters
key_lenthe desired output length in bytes
secretthe secret input
secret_lensize of secret in bytes
salta diversifier
salt_lensize of salt in bytes

Definition at line 61 of file kdf.cpp.

64  {
65  return derive(key_len, secret, secret_len, salt, salt_len);
66  }
std::string Botan::TLS_12_PRF::name ( ) const
inlinevirtual
Returns
name of this algorithm

Implements Botan::Algorithm.

Definition at line 47 of file prf_tls.h.

47 { return "TLSv12-PRF(" + hmac->name() + ")"; }
virtual std::string name() const =0

The documentation for this class was generated from the following files: