QuasarApp/qca
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variable keysizes

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svn path=/trunk/kdesupport/qca/; revision=238691
This commit is contained in:
Justin Karneges 2003-07-22 22:13:58 +00:00
parent 285a9e46ac
commit 273c717362
3 changed files with 13 additions and 9 deletions

14
plugins/qcaopenssl.cpp

@ -209,7 +209,7 @@ public:
return true;
}
bool setup(int _dir, int mode, const char *key, const char *iv, bool _pad)
bool setup(int _dir, int mode, const char *key, int keysize, const char *iv, bool _pad)
{
dir = _dir;
pad = _pad;
@ -218,11 +218,19 @@ public:
EVP_CIPHER_CTX_init(&c);
if(dir == QCA::Encrypt) {
if(!EVP_EncryptInit(&c, type, (unsigned char *)key, (unsigned char *)iv))
if(!EVP_EncryptInit(&c, type, NULL, NULL))
return false;
if(keysize != type->key_len)
EVP_CIPHER_CTX_set_key_length(&c, keysize);
if(!EVP_EncryptInit(&c, NULL, (unsigned char *)key, (unsigned char *)iv))
return false;
}
else {
if(!EVP_DecryptInit(&c, type, (unsigned char *)key, (unsigned char *)iv))
if(!EVP_DecryptInit(&c, type, NULL, NULL))
return false;
if(keysize != type->key_len)
EVP_CIPHER_CTX_set_key_length(&c, keysize);
if(!EVP_DecryptInit(&c, NULL, (unsigned char *)key, (unsigned char *)iv))
return false;
}
return true;

6
src/qca.cpp

@ -266,16 +266,12 @@ QByteArray Cipher::dyn_generateIV() const
void Cipher::reset(int dir, int mode, const QByteArray &key, const QByteArray &iv, bool pad)
{
d->reset();
if((int)key.size() != d->c->keySize())
return;
if(!iv.isEmpty() && (int)iv.size() != d->c->blockSize())
return;
d->dir = dir;
d->mode = mode;
d->key = key.copy();
d->iv = iv.copy();
if(!d->c->setup(d->dir, d->mode, d->key.data(), d->iv.isEmpty() ? 0 : d->iv.data(), pad)) {
if(!d->c->setup(d->dir, d->mode, d->key.isEmpty() ? 0: d->key.data(), d->key.size(), d->iv.isEmpty() ? 0 : d->iv.data(), pad)) {
d->err = true;
return;
}

2
src/qcaprovider.h

@ -44,7 +44,7 @@ public:
virtual bool generateKey(char *out)=0;
virtual bool generateIV(char *out)=0;
virtual bool setup(int dir, int mode, const char *key, const char *iv, bool pad)=0;
virtual bool setup(int dir, int mode, const char *key, int keysize, const char *iv, bool pad)=0;
virtual bool update(const char *in, unsigned int len)=0;
virtual bool final(char **out, unsigned int *outlen)=0;
};