diff options
author | lloyd <[email protected]> | 2008-09-28 19:29:24 +0000 |
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committer | lloyd <[email protected]> | 2008-09-28 19:29:24 +0000 |
commit | 9bcfe627321ddc81691b835dffaa6324ac4684a4 (patch) | |
tree | fe5e8ae9813b853549558b59833022e87e83981b /src/engine/openssl/bn_wrap.cpp | |
parent | 9822a701516396b7de4e41339faecd48ff8dc8ff (diff) |
Move all modules into src/ directory
Diffstat (limited to 'src/engine/openssl/bn_wrap.cpp')
-rw-r--r-- | src/engine/openssl/bn_wrap.cpp | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/src/engine/openssl/bn_wrap.cpp b/src/engine/openssl/bn_wrap.cpp new file mode 100644 index 000000000..4f7ea0078 --- /dev/null +++ b/src/engine/openssl/bn_wrap.cpp @@ -0,0 +1,114 @@ +/************************************************* +* OpenSSL BN Wrapper Source File * +* (C) 1999-2007 Jack Lloyd * +*************************************************/ + +#include <botan/bn_wrap.h> + +namespace Botan { + +/************************************************* +* OSSL_BN Constructor * +*************************************************/ +OSSL_BN::OSSL_BN(const BigInt& in) + { + value = BN_new(); + SecureVector<byte> encoding = BigInt::encode(in); + if(in != 0) + BN_bin2bn(encoding, encoding.size(), value); + } + +/************************************************* +* OSSL_BN Constructor * +*************************************************/ +OSSL_BN::OSSL_BN(const byte in[], u32bit length) + { + value = BN_new(); + BN_bin2bn(in, length, value); + } + +/************************************************* +* OSSL_BN Copy Constructor * +*************************************************/ +OSSL_BN::OSSL_BN(const OSSL_BN& other) + { + value = BN_dup(other.value); + } + +/************************************************* +* OSSL_BN Destructor * +*************************************************/ +OSSL_BN::~OSSL_BN() + { + BN_clear_free(value); + } + +/************************************************* +* OSSL_BN Assignment Operator * +*************************************************/ +OSSL_BN& OSSL_BN::operator=(const OSSL_BN& other) + { + BN_copy(value, other.value); + return (*this); + } + +/************************************************* +* Export the BIGNUM as a bytestring * +*************************************************/ +void OSSL_BN::encode(byte out[], u32bit length) const + { + BN_bn2bin(value, out + (length - bytes())); + } + +/************************************************* +* Return the number of significant bytes * +*************************************************/ +u32bit OSSL_BN::bytes() const + { + return BN_num_bytes(value); + } + +/************************************************* +* OpenSSL to BigInt Conversions * +*************************************************/ +BigInt OSSL_BN::to_bigint() const + { + SecureVector<byte> out(bytes()); + BN_bn2bin(value, out); + return BigInt::decode(out); + } + +/************************************************* +* OSSL_BN_CTX Constructor * +*************************************************/ +OSSL_BN_CTX::OSSL_BN_CTX() + { + value = BN_CTX_new(); + } + +/************************************************* +* OSSL_BN_CTX Copy Constructor * +*************************************************/ +OSSL_BN_CTX::OSSL_BN_CTX(const OSSL_BN_CTX&) + { + value = BN_CTX_new(); + } + +/************************************************* +* OSSL_BN_CTX Destructor * +*************************************************/ +OSSL_BN_CTX::~OSSL_BN_CTX() + { + BN_CTX_free(value); + } + +/************************************************* +* OSSL_BN_CTX Assignment Operator * +*************************************************/ +OSSL_BN_CTX& OSSL_BN_CTX::operator=(const OSSL_BN_CTX&) + { + value = BN_CTX_new(); + return (*this); + } + +} |