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Refactor the HMAC code, passing in the hash as an argument.

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svn path=/trunk/kdesupport/qca/; revision=398903
This commit is contained in:
Brad Hards 2005-03-19 07:51:28 +00:00
parent ccbe232ccb
commit 854a8d4c65
1 changed files with 14 additions and 53 deletions
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67
plugins/qca-openssl/qca-openssl.cpp
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@ -1,6 +1,6 @@
/*
* Copyright (C) 2004 Justin Karneges
* Copyright (C) 2004 Brad Hards <bradh@frogmouth.net>
* Copyright (C) 2004-2005 Brad Hards <bradh@frogmouth.net>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@ -1006,7 +1006,11 @@ public:
class opensslHMACContext : public QCA::MACContext
{
public:
opensslHMACContext(QCA::Provider *p, const QString &type) : QCA::MACContext(p, type) {};
opensslHMACContext(const EVP_MD *algorithm, QCA::Provider *p, const QString &type) : QCA::MACContext(p, type)
{
m_algorithm = algorithm;
HMAC_CTX_init( &m_context );
};
void setup(const QCA::SymmetricKey &key)
{
@ -1030,59 +1034,16 @@ public:
HMAC_CTX_cleanup(&m_context);
}
Context *clone() const
{
return new opensslHMACContext(*this);
}
protected:
HMAC_CTX m_context;
const EVP_MD *m_algorithm;
};
class HMACMD5Context : public opensslHMACContext
{
public:
HMACMD5Context(QCA::Provider *p) : opensslHMACContext( p, "hmac(md5)" )
{
m_algorithm = EVP_md5();
HMAC_CTX_init( &m_context );
}
Context *clone() const
{
return new HMACMD5Context(*this);
}
};
class HMACSHA1Context : public opensslHMACContext
{
public:
HMACSHA1Context(QCA::Provider *p) : opensslHMACContext( p, "hmac(sha1)" )
{
m_algorithm = EVP_sha1();
HMAC_CTX_init( &m_context );
}
Context *clone() const
{
return new HMACSHA1Context(*this);
}
};
class HMACRIPEMD160Context : public opensslHMACContext
{
public:
HMACRIPEMD160Context(QCA::Provider *p) : opensslHMACContext( p, "hmac(ripemd160)" )
{
m_algorithm = EVP_ripemd160();
HMAC_CTX_init( &m_context );
}
Context *clone() const
{
return new HMACRIPEMD160Context(*this);
}
};
//----------------------------------------------------------------------------
// EVPKey
//----------------------------------------------------------------------------
@ -3486,11 +3447,11 @@ public:
else if ( type == "md5" )
return new MD5Context( this );
else if ( type == "hmac(md5)" )
return new HMACMD5Context( this );
return new opensslHMACContext( EVP_md5(), this, type );
else if ( type == "hmac(sha1)" )
return new HMACSHA1Context( this );
return new opensslHMACContext( EVP_sha1(),this, type );
else if ( type == "hmac(ripemd160)" )
return new HMACRIPEMD160Context( this );
return new opensslHMACContext( EVP_ripemd160(), this, type );
else if ( type == "pkey" )
return new MyPKeyContext( this );
else if ( type == "dlgroup" )