diff options
Diffstat (limited to 'src/pubkey/dh/dh.cpp')
| -rw-r--r-- | src/pubkey/dh/dh.cpp | 70 |
1 files changed, 36 insertions, 34 deletions
diff --git a/src/pubkey/dh/dh.cpp b/src/pubkey/dh/dh.cpp index 8d2059936..0c9d02f0e 100644 --- a/src/pubkey/dh/dh.cpp +++ b/src/pubkey/dh/dh.cpp @@ -1,7 +1,9 @@ -/************************************************* -* Diffie-Hellman Source File * -* (C) 1999-2007 Jack Lloyd * -*************************************************/ +/* +* Diffie-Hellman +* (C) 1999-2007 Jack Lloyd +* +* Distributed under the terms of the Botan license +*/ #include <botan/dh.h> #include <botan/numthry.h> @@ -9,9 +11,9 @@ namespace Botan { -/************************************************* -* DH_PublicKey Constructor * -*************************************************/ +/* +* DH_PublicKey Constructor +*/ DH_PublicKey::DH_PublicKey(const DL_Group& grp, const BigInt& y1) { group = grp; @@ -19,32 +21,32 @@ DH_PublicKey::DH_PublicKey(const DL_Group& grp, const BigInt& y1) X509_load_hook(); } -/************************************************* -* Algorithm Specific X.509 Initialization Code * -*************************************************/ +/* +* Algorithm Specific X.509 Initialization Code +*/ void DH_PublicKey::X509_load_hook() { } -/************************************************* -* Return the maximum input size in bits * -*************************************************/ +/* +* Return the maximum input size in bits +*/ u32bit DH_PublicKey::max_input_bits() const { return group_p().bits(); } -/************************************************* -* Return the public value for key agreement * -*************************************************/ +/* +* Return the public value for key agreement +*/ MemoryVector<byte> DH_PublicKey::public_value() const { return BigInt::encode_1363(y, group_p().bytes()); } -/************************************************* -* Create a DH private key * -*************************************************/ +/* +* Create a DH private key +*/ DH_PrivateKey::DH_PrivateKey(RandomNumberGenerator& rng, const DL_Group& grp, const BigInt& x_arg) @@ -62,9 +64,9 @@ DH_PrivateKey::DH_PrivateKey(RandomNumberGenerator& rng, PKCS8_load_hook(rng, false); } -/************************************************* -* Algorithm Specific PKCS #8 Initialization Code * -*************************************************/ +/* +* Algorithm Specific PKCS #8 Initialization Code +*/ void DH_PrivateKey::PKCS8_load_hook(RandomNumberGenerator& rng, bool generated) { @@ -78,34 +80,34 @@ void DH_PrivateKey::PKCS8_load_hook(RandomNumberGenerator& rng, load_check(rng); } -/************************************************* -* Return the public value for key agreement * -*************************************************/ +/* +* Return the public value for key agreement +*/ MemoryVector<byte> DH_PrivateKey::public_value() const { return DH_PublicKey::public_value(); } -/************************************************* -* Derive a key * -*************************************************/ +/* +* Derive a key +*/ SecureVector<byte> DH_PrivateKey::derive_key(const byte w[], u32bit w_len) const { return derive_key(BigInt::decode(w, w_len)); } -/************************************************* -* Derive a key * -*************************************************/ +/* +* Derive a key +*/ SecureVector<byte> DH_PrivateKey::derive_key(const DH_PublicKey& key) const { return derive_key(key.get_y()); } -/************************************************* -* Derive a key * -*************************************************/ +/* +* Derive a key +*/ SecureVector<byte> DH_PrivateKey::derive_key(const BigInt& w) const { const BigInt& p = group_p(); |