diff options
Diffstat (limited to 'SoftHSMv2/src/lib/crypto/OSSLRNG.cpp')
| -rw-r--r-- | SoftHSMv2/src/lib/crypto/OSSLRNG.cpp | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/SoftHSMv2/src/lib/crypto/OSSLRNG.cpp b/SoftHSMv2/src/lib/crypto/OSSLRNG.cpp new file mode 100644 index 0000000..d6a1e5d --- /dev/null +++ b/SoftHSMv2/src/lib/crypto/OSSLRNG.cpp @@ -0,0 +1,52 @@ +/* + * Copyright (c) 2010 SURFnet bv + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/***************************************************************************** + OSSLRNG.cpp + + OpenSSL random number generator class + *****************************************************************************/ + +#include "config.h" +#include "OSSLRNG.h" +#include <openssl/rand.h> + +// Generate random data +bool OSSLRNG::generateRandom(ByteString& data, const size_t len) +{ + data.wipe(len); + + if (len == 0) + return true; + return RAND_bytes(&data[0], len) == 1; +} + +// Seed the random pool +void OSSLRNG::seed(ByteString& seedData) +{ + RAND_seed(seedData.byte_str(), seedData.size()); +} + |