diff options
author | lloyd <[email protected]> | 2006-05-18 18:33:19 +0000 |
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committer | lloyd <[email protected]> | 2006-05-18 18:33:19 +0000 |
commit | a2c99d3270eb73ef2db5704fc54356c6b75096f8 (patch) | |
tree | ad3d6c4fcc8dd0f403f8105598943616246fe172 /src/keypair.cpp |
Initial checkin1.5.6
Diffstat (limited to 'src/keypair.cpp')
-rw-r--r-- | src/keypair.cpp | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/src/keypair.cpp b/src/keypair.cpp new file mode 100644 index 000000000..11ddbd811 --- /dev/null +++ b/src/keypair.cpp @@ -0,0 +1,58 @@ +/************************************************* +* Keypair Checks Source File * +* (C) 1999-2006 The Botan Project * +*************************************************/ + +#include <botan/keypair.h> +#include <botan/look_pk.h> +#include <botan/rng.h> +#include <memory> + +namespace Botan { + +namespace KeyPair { + +/************************************************* +* Check an encryption key pair for consistency * +*************************************************/ +void check_key(PK_Encryptor* encryptor, PK_Decryptor* decryptor) + { + std::auto_ptr<PK_Encryptor> enc(encryptor); + std::auto_ptr<PK_Decryptor> dec(decryptor); + + SecureVector<byte> message(enc->maximum_input_size() - 1); + Global_RNG::randomize(message, message.size()); + + SecureVector<byte> ciphertext = enc->encrypt(message); + if(ciphertext == message) + throw Self_Test_Failure("Encryption key pair consistency failure"); + + SecureVector<byte> message2 = dec->decrypt(ciphertext); + if(message != message2) + throw Self_Test_Failure("Encryption key pair consistency failure"); + } + +/************************************************* +* Check a signature key pair for consistency * +*************************************************/ +void check_key(PK_Signer* signer, PK_Verifier* verifier) + { + std::auto_ptr<PK_Signer> sig(signer); + std::auto_ptr<PK_Verifier> ver(verifier); + + SecureVector<byte> message(16); + Global_RNG::randomize(message, message.size()); + + SecureVector<byte> signature = sig->sign_message(message); + + if(!ver->verify_message(message, signature)) + throw Self_Test_Failure("Signature key pair consistency failure"); + + ++message[0]; + if(ver->verify_message(message, signature)) + throw Self_Test_Failure("Signature key pair consistency failure"); + } + +} + +} |