diff options
author | lloyd <[email protected]> | 2009-01-27 06:58:51 +0000 |
---|---|---|
committer | lloyd <[email protected]> | 2009-01-27 06:58:51 +0000 |
commit | d655cd14d718bb8e1af4a2986b10a4d4617dbadc (patch) | |
tree | 9ce7a69c324e81491602e0cad3ce2384a1c9d0f1 /doc/examples | |
parent | 092c6d68006a2d953d8b622ce2c181a6394aed4e (diff) |
Fix test_es for new Entropy_Accumulator interface. It XORs into a block
of 64 bytes. Not ideal but at least gives a sense of what it is putting
out.
Diffstat (limited to 'doc/examples')
-rw-r--r-- | doc/examples/test_es.cpp | 48 |
1 files changed, 27 insertions, 21 deletions
diff --git a/doc/examples/test_es.cpp b/doc/examples/test_es.cpp index cae47a853..b7b2e9162 100644 --- a/doc/examples/test_es.cpp +++ b/doc/examples/test_es.cpp @@ -32,36 +32,43 @@ using namespace Botan; -void test_entropy_source(EntropySource* es, - EntropySource* es2 = 0) +class Saver_Of_Bytes : public BufferedComputation + { + public: + Saver_Of_Bytes() : BufferedComputation(0), outbuf(64), written(0) {} + void add_data(const byte in[], u32bit length) + { + for(size_t i = 0; i != length; ++i) + outbuf[i % outbuf.size()] ^= in[i]; + + written += length; + //outbuf.insert(outbuf.end(), in, in+length); + } + void final_result(byte[]) { if(written < 64) outbuf.resize(written); } + + std::vector<byte> outbuf; + u32bit written; + }; + +void test_entropy_source(EntropySource* es) { // sometimes iostreams really is just a pain printf("Polling '%s':\n", es->name().c_str()); - Entropy_Accumulator accum1(256); - es->poll(accum1); - - Entropy_Accumulator accum2(256); - if(es2) - es2->poll(accum2); - else - es->poll(accum2); - - SecureVector<byte> polled1 = accum1.get_entropy_buffer(); - SecureVector<byte> polled2 = accum2.get_entropy_buffer(); + Saver_Of_Bytes save; - SecureVector<byte> compare(std::min(polled1.size(), polled2.size())); + Entropy_Accumulator accum(save, 128); + es->poll(accum); - for(u32bit i = 0; i != compare.size(); ++i) - compare[i] = polled1[i] ^ polled2[i]; + save.final_result(0); - for(u32bit i = 0; i != compare.size(); ++i) - printf("%02X", compare[i]); + printf("Got %d bytes\n", save.written); + for(size_t i = 0; i != save.outbuf.size(); ++i) + printf("%02X", save.outbuf[i]); printf("\n"); delete es; - delete es2; } int main() @@ -87,8 +94,7 @@ int main() #endif #if defined(BOTAN_HAS_ENTROPY_SRC_FTW) - test_entropy_source(new FTW_EntropySource("/proc"), - new FTW_EntropySource("/proc")); + test_entropy_source(new FTW_EntropySource("/proc")); #endif |