Botan::TLS_12_PRF Class Reference

#include <prf_tls.h>

Inheritance diagram for Botan::TLS_12_PRF:

Public Member Functions
void	clear ()
KDF *	clone () const
SecureVector< byte >	derive (size_t key_len, const byte secret[], size_t secret_len, const byte seed[], size_t seed_len) const
SecureVector< byte >	derive_key (size_t key_len, const byte secret[], size_t secret_len, const byte salt[], size_t salt_len) const
SecureVector< byte >	derive_key (size_t key_len, const byte secret[], size_t secret_len, const std::string &salt="") const
SecureVector< byte >	derive_key (size_t key_len, const MemoryRegion< byte > &secret, const byte salt[], size_t salt_len) const
SecureVector< byte >	derive_key (size_t key_len, const MemoryRegion< byte > &secret, const MemoryRegion< byte > &salt) const
SecureVector< byte >	derive_key (size_t key_len, const MemoryRegion< byte > &secret, const std::string &salt="") 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

TLS_12_PRF()

Botan::TLS_12_PRF::TLS_12_PRF

(

MessageAuthenticationCode *

hmac

)

Definition at line 88 of file prf_tls.cpp.

                                                     : hmac(mac)
   {
   }

Referenced by clone().

~TLS_12_PRF()

Botan::TLS_12_PRF::~TLS_12_PRF

(

)

Definition at line 92 of file prf_tls.cpp.

   {
   delete hmac;
   }

Member Function Documentation

clear()

void Botan::KDF::clear ( )

inlinevirtualinherited

Zeroize internal state

Implements Botan::Algorithm.

Definition at line 81 of file kdf.h.

{}

clone()

KDF * Botan::TLS_12_PRF::clone ( ) const

inlinevirtual

Implements Botan::KDF.

Definition at line 48 of file prf_tls.h.

{ return new TLS_12_PRF(hmac->clone()); }

References TLS_12_PRF().

derive()

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.

   {
   SecureVector<byte> output(key_len);
 
   P_hash(output, hmac, secret, secret_len, seed, seed_len);
 
   return output;
   }

derive_key() [1/5]

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_len	the desired output length in bytes
secret	the secret input
secret_len	size of secret in bytes
salt	a diversifier
salt_len	size of salt in bytes

Definition at line 61 of file kdf.cpp.

   {
   return derive(key_len, secret, secret_len, salt, salt_len);
   }

derive_key() [2/5]

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_len	the desired output length in bytes
secret	the secret input
secret_len	size of secret in bytes
salt	a diversifier

Definition at line 49 of file kdf.cpp.

   {
   return derive_key(key_len, secret, secret_len,
                     reinterpret_cast<const byte*>(salt.data()),
                     salt.length());
   }

References derive_key().

derive_key() [3/5]

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_len	the desired output length in bytes
secret	the secret input
salt	a diversifier
salt_len	size of salt in bytes

Definition at line 27 of file kdf.cpp.

   {
   return derive_key(key_len, &secret[0], secret.size(),
                     salt, salt_len);
   }

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

derive_key() [4/5]

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_len	the desired output length in bytes
secret	the secret input
salt	a diversifier

Definition at line 38 of file kdf.cpp.

   {
   return derive_key(key_len, &secret[0], secret.size(),
                     &salt[0], salt.size());
   }

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

derive_key() [5/5]

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_len	the desired output length in bytes
secret	the secret input
salt	a diversifier

Definition at line 15 of file kdf.cpp.

   {
   return derive_key(key_len, &secret[0], secret.size(),
                     reinterpret_cast<const byte*>(salt.data()),
                     salt.length());
   }

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

Referenced by derive_key(), derive_key(), derive_key(), and derive_key().

name()

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.

{ return "TLSv12-PRF(" + hmac->name() + ")"; }

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

• src/kdf/prf_tls/prf_tls.h
• src/kdf/prf_tls/prf_tls.cpp