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partial DSA support

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This commit is contained in:
Werner Koch 1998-03-09 21:44:06 +00:00
parent 1b1a6d7e77
commit a6a8f1e706
62 changed files with 2247 additions and 447 deletions
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72
g10/free-packet.c
View file

@ -45,31 +45,41 @@ free_pubkey_enc( PKT_pubkey_enc *enc )
}
void
free_seckey_enc( PKT_signature *enc )
free_seckey_enc( PKT_signature *sig )
{
if( enc->pubkey_algo == PUBKEY_ALGO_ELGAMAL ) {
mpi_free( enc->d.elg.a );
mpi_free( enc->d.elg.b );
if( sig->pubkey_algo == PUBKEY_ALGO_ELGAMAL ) {
mpi_free( sig->d.elg.a );
mpi_free( sig->d.elg.b );
}
else if( enc->pubkey_algo == PUBKEY_ALGO_RSA )
mpi_free( enc->d.rsa.rsa_integer );
m_free(enc);
else if( sig->pubkey_algo == PUBKEY_ALGO_DSA ) {
mpi_free( sig->d.dsa.r );
mpi_free( sig->d.dsa.s );
}
else if( sig->pubkey_algo == PUBKEY_ALGO_RSA )
mpi_free( sig->d.rsa.rsa_integer );
m_free(sig->hashed_data);
m_free(sig->unhashed_data);
m_free(sig);
}
/****************
* Return the digest algorith from the signature packet.
* Return the digest algorithm from the signature packet.
* We need this function because the digeste algo depends on the
* used pubkey algorithm.
*/
int
digest_algo_from_sig( PKT_signature *sig )
{
#if 0 /* not used anymore */
switch( sig->pubkey_algo ) {
case PUBKEY_ALGO_ELGAMAL: return sig->d.elg.digest_algo;
case PUBKEY_ALGO_DSA: return sig->d.dsa.digest_algo;
case PUBKEY_ALGO_RSA: return sig->d.rsa.digest_algo;
default: return 0;
}
#endif
return sig->digest_algo;
}
@ -83,6 +93,12 @@ release_public_cert_parts( PKT_public_cert *cert )
mpi_free( cert->d.elg.g ); cert->d.elg.g = NULL;
mpi_free( cert->d.elg.y ); cert->d.elg.y = NULL;
}
else if( cert->pubkey_algo == PUBKEY_ALGO_DSA ) {
mpi_free( cert->d.dsa.p ); cert->d.dsa.p = NULL;
mpi_free( cert->d.dsa.q ); cert->d.dsa.q = NULL;
mpi_free( cert->d.dsa.g ); cert->d.dsa.g = NULL;
mpi_free( cert->d.dsa.y ); cert->d.dsa.y = NULL;
}
else if( cert->pubkey_algo == PUBKEY_ALGO_RSA ) {
mpi_free( cert->d.rsa.rsa_n ); cert->d.rsa.rsa_n = NULL;
mpi_free( cert->d.rsa.rsa_e ); cert->d.rsa.rsa_e = NULL;
@ -107,6 +123,12 @@ copy_public_cert( PKT_public_cert *d, PKT_public_cert *s )
d->d.elg.g = mpi_copy( s->d.elg.g );
d->d.elg.y = mpi_copy( s->d.elg.y );
}
else if( s->pubkey_algo == PUBKEY_ALGO_DSA ) {
d->d.dsa.p = mpi_copy( s->d.dsa.p );
d->d.dsa.q = mpi_copy( s->d.dsa.q );
d->d.dsa.g = mpi_copy( s->d.dsa.g );
d->d.dsa.y = mpi_copy( s->d.dsa.y );
}
else if( s->pubkey_algo == PUBKEY_ALGO_RSA ) {
d->d.rsa.rsa_n = mpi_copy( s->d.rsa.rsa_n );
d->d.rsa.rsa_e = mpi_copy( s->d.rsa.rsa_e );
@ -123,6 +145,13 @@ release_secret_cert_parts( PKT_secret_cert *cert )
mpi_free( cert->d.elg.y ); cert->d.elg.y = NULL;
mpi_free( cert->d.elg.x ); cert->d.elg.x = NULL;
}
else if( cert->pubkey_algo == PUBKEY_ALGO_DSA ) {
mpi_free( cert->d.dsa.p ); cert->d.dsa.p = NULL;
mpi_free( cert->d.dsa.q ); cert->d.dsa.q = NULL;
mpi_free( cert->d.dsa.g ); cert->d.dsa.g = NULL;
mpi_free( cert->d.dsa.y ); cert->d.dsa.y = NULL;
mpi_free( cert->d.dsa.x ); cert->d.dsa.x = NULL;
}
else if( cert->pubkey_algo == PUBKEY_ALGO_RSA ) {
mpi_free( cert->d.rsa.rsa_n ); cert->d.rsa.rsa_n = NULL;
mpi_free( cert->d.rsa.rsa_e ); cert->d.rsa.rsa_e = NULL;
@ -152,6 +181,13 @@ copy_secret_cert( PKT_secret_cert *d, PKT_secret_cert *s )
d->d.elg.y = mpi_copy( s->d.elg.y );
d->d.elg.x = mpi_copy( s->d.elg.x );
}
else if( s->pubkey_algo == PUBKEY_ALGO_DSA ) {
d->d.dsa.p = mpi_copy( s->d.dsa.p );
d->d.dsa.q = mpi_copy( s->d.dsa.q );
d->d.dsa.g = mpi_copy( s->d.dsa.g );
d->d.dsa.y = mpi_copy( s->d.dsa.y );
d->d.dsa.x = mpi_copy( s->d.dsa.x );
}
else if( s->pubkey_algo == PUBKEY_ALGO_RSA ) {
d->d.rsa.rsa_n = mpi_copy( s->d.rsa.rsa_n );
d->d.rsa.rsa_e = mpi_copy( s->d.rsa.rsa_e );
@ -290,6 +326,16 @@ cmp_public_certs( PKT_public_cert *a, PKT_public_cert *b )
if( mpi_cmp( a->d.elg.y , b->d.elg.y ) )
return -1;
}
else if( a->pubkey_algo == PUBKEY_ALGO_DSA ) {
if( mpi_cmp( a->d.dsa.p , b->d.dsa.p ) )
return -1;
if( mpi_cmp( a->d.dsa.q , b->d.dsa.q ) )
return -1;
if( mpi_cmp( a->d.dsa.g , b->d.dsa.g ) )
return -1;
if( mpi_cmp( a->d.dsa.y , b->d.dsa.y ) )
return -1;
}
else if( a->pubkey_algo == PUBKEY_ALGO_RSA ) {
if( mpi_cmp( a->d.rsa.rsa_n , b->d.rsa.rsa_n ) )
return -1;
@ -321,6 +367,16 @@ cmp_public_secret_cert( PKT_public_cert *pkc, PKT_secret_cert *skc )
if( mpi_cmp( pkc->d.elg.y , skc->d.elg.y ) )
return -1;
}
else if( pkc->pubkey_algo == PUBKEY_ALGO_DSA ) {
if( mpi_cmp( pkc->d.dsa.p , skc->d.dsa.p ) )
return -1;
if( mpi_cmp( pkc->d.dsa.q , skc->d.dsa.q ) )
return -1;
if( mpi_cmp( pkc->d.dsa.g , skc->d.dsa.g ) )
return -1;
if( mpi_cmp( pkc->d.dsa.y , skc->d.dsa.y ) )
return -1;
}
else if( pkc->pubkey_algo == PUBKEY_ALGO_RSA ) {
if( mpi_cmp( pkc->d.rsa.rsa_n , skc->d.rsa.rsa_n ) )
return -1;