Botan  2.7.0
Crypto and TLS for C++11
p11_randomgenerator.cpp
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1 /*
2 * PKCS#11 Random Generator
3 * (C) 2016 Daniel Neus, Sirrix AG
4 * (C) 2016 Philipp Weber, Sirrix AG
5 *
6 * Botan is released under the Simplified BSD License (see license.txt)
7 */
8 
9 #include <botan/p11_randomgenerator.h>
10 
11 namespace Botan {
12 
13 namespace PKCS11 {
14 
16  : m_session(session)
17  {}
18 
19 void PKCS11_RNG::randomize(uint8_t output[], std::size_t length)
20  {
21  module()->C_GenerateRandom(m_session.get().handle(), output, length);
22  }
23 
24 void PKCS11_RNG::add_entropy(const uint8_t in[], std::size_t length)
25  {
26  module()->C_SeedRandom(m_session.get().handle(), const_cast<uint8_t*>(in), length);
27  }
28 
29 }
30 }
31 
void add_entropy(const uint8_t in[], std::size_t length) override
Calls C_SeedRandom to add entropy to the random generation function of the token/middleware.
void randomize(uint8_t output[], std::size_t length) override
Calls C_GenerateRandom to generate random data.
Definition: alg_id.cpp:13
bool C_GenerateRandom(SessionHandle session, Byte *random_data_ptr, Ulong random_len, ReturnValue *return_value=ThrowException) const
Definition: p11.cpp:742
PKCS11_RNG(Session &session)
Initialize the RNG with the PKCS#11 session that provides access to the cryptoki functions.
Represents a PKCS#11 session.
Definition: p11_session.h:21
bool C_SeedRandom(SessionHandle session, Byte *seed_ptr, Ulong seed_len, ReturnValue *return_value=ThrowException) const
Definition: p11.cpp:734