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crypto.cpp
Go to the documentation of this file.
1
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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#include "../common.hpp"
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#include "
crypto.hpp
"
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#include "../encoding/buffer-stream.hpp"
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#include "../security/cryptopp.hpp"
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namespace
ndn
{
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void
ndn_digestSha256
(
const
uint8_t* data,
size_t
dataLength, uint8_t* digest)
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{
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try
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{
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using namespace
CryptoPP
;
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CryptoPP::SHA256 hash;
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OBufferStream
os;
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StringSource(data, dataLength,
true
,
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new
HashFilter(hash,
new
ArraySink(digest,
crypto::SHA256_DIGEST_SIZE
)));
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}
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catch
(CryptoPP::Exception& e)
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{
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return
;
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}
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}
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namespace
crypto {
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ConstBufferPtr
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sha256
(
const
uint8_t* data,
size_t
dataLength)
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{
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try
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{
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using namespace
CryptoPP
;
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SHA256 hash;
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OBufferStream
os;
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StringSource(data, dataLength,
true
,
new
HashFilter(hash,
new
FileSink(os)));
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return
os.
buf
();
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}
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catch
(CryptoPP::Exception& e)
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{
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return
ConstBufferPtr
();
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}
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}
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}
// namespace crypto
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}
// namespace ndn
ndn
Copyright (c) 2011-2015 Regents of the University of California.
Definition:
ndn-strategy-choice-helper.hpp:34
CryptoPP
Copyright (c) 2013-2014 Regents of the University of California.
Definition:
oid.hpp:29
ndn::ndn_digestSha256
void ndn_digestSha256(const uint8_t *data, size_t dataLength, uint8_t *digest)
Compute the sha-256 digest of data.
Definition:
crypto.cpp:30
ndn::crypto::SHA256_DIGEST_SIZE
static const size_t SHA256_DIGEST_SIZE
number of octets in a SHA256 digest
Definition:
crypto.hpp:43
crypto.hpp
ndn::OBufferStream::buf
shared_ptr< Buffer > buf()
Flush written data to the stream and return shared pointer to the underlying buffer.
Definition:
buffer-stream.hpp:96
ndn::OBufferStream
Class implementing interface similar to ostringstream, but to construct ndn::Buffer.
Definition:
buffer-stream.hpp:79
ndn::ConstBufferPtr
shared_ptr< const Buffer > ConstBufferPtr
Definition:
buffer.hpp:33
ndn::crypto::sha256
ConstBufferPtr sha256(const uint8_t *data, size_t dataLength)
Compute the sha-256 digest of data.
Definition:
crypto.cpp:51
ndnSIM
ndn-cxx
src
util
crypto.cpp
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