diff options
Diffstat (limited to 'doc/examples/keywrap.cpp')
-rw-r--r-- | doc/examples/keywrap.cpp | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/doc/examples/keywrap.cpp b/doc/examples/keywrap.cpp new file mode 100644 index 000000000..730bcb6c9 --- /dev/null +++ b/doc/examples/keywrap.cpp @@ -0,0 +1,38 @@ +/* +* NIST keywrap example +* (C) 2011 Jack Lloyd +* +* Distributed under the terms of the Botan license +*/ + +#include <botan/botan.h> +#include <botan/rfc3394.h> +#include <botan/hex.h> +#include <iostream> + +int main() + { + using namespace Botan; + + LibraryInitializer init; + + AutoSeeded_RNG rng; + + // The key to encrypt + SymmetricKey key(rng, 24); + + // The key encryption key + SymmetricKey kek(rng, 32); + + std::cout << "Original: " << key.as_string() << "\n"; + + Algorithm_Factory& af = global_state().algorithm_factory(); + + SecureVector<byte> enc = rfc3394_keywrap(key.bits_of(), kek, af); + + std::cout << "Encrypted: " << hex_encode(enc) << "\n"; + + SecureVector<byte> dec = rfc3394_keyunwrap(enc, kek, af); + + std::cout << "Decrypted: " << hex_encode(dec) << "\n"; + } |