security-and-privacy/gnupg
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partly added creation of OP partial length headers

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This commit is contained in:
Werner Koch 1998-07-02 19:31:46 +00:00
parent 77a6af76d0
commit 97090f1293
17 changed files with 432 additions and 157 deletions
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52
g10/free-packet.c
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@ -42,6 +42,10 @@ free_pubkey_enc( PKT_pubkey_enc *enc )
{
int n, i;
n = pubkey_get_nenc( enc->pubkey_algo );
if( !n ) {
m_free(enc->data[0]);
enc->data[0] = NULL;
}
for(i=0; i < n; i++ )
mpi_free( enc->data[i] );
m_free(enc);
@ -52,6 +56,10 @@ free_seckey_enc( PKT_signature *sig )
{
int n, i;
n = pubkey_get_nenc( sig->pubkey_algo );
if( !n ) {
m_free(sig->data[0]);
sig->data[0] = NULL;
}
for(i=0; i < n; i++ )
mpi_free( sig->data[i] );
m_free(sig->hashed_data);
@ -66,6 +74,10 @@ release_public_key_parts( PKT_public_key *pk )
{
int n, i;
n = pubkey_get_npkey( pk->pubkey_algo );
if( !n ) {
m_free(pk->pkey[0]);
pk->pkey[0] = NULL;
}
for(i=0; i < n; i++ ) {
mpi_free( pk->pkey[i] );
pk->pkey[i] = NULL;
@ -80,6 +92,22 @@ free_public_key( PKT_public_key *pk )
m_free(pk);
}
static void *
cp_fake_data( MPI a )
{
byte *d, *s;
u16 len;
if( !a )
return NULL;
s = (byte*)a;
len = (s[0] << 8) | s[1];
d = m_alloc( len+2 );
memcpy(d, s, len+2);
return d;
}
PKT_public_key *
copy_public_key( PKT_public_key *d, PKT_public_key *s )
{
@ -89,8 +117,12 @@ copy_public_key( PKT_public_key *d, PKT_public_key *s )
d = m_alloc(sizeof *d);
memcpy( d, s, sizeof *d );
n = pubkey_get_npkey( s->pubkey_algo );
for(i=0; i < n; i++ )
d->pkey[i] = mpi_copy( s->pkey[i] );
if( !n )
d->pkey[0] = cp_fake_data(s->pkey[0]);
else {
for(i=0; i < n; i++ )
d->pkey[i] = mpi_copy( s->pkey[i] );
}
return d;
}
@ -100,6 +132,10 @@ release_secret_key_parts( PKT_secret_key *sk )
int n, i;
n = pubkey_get_nskey( sk->pubkey_algo );
if( !n ) {
m_free(sk->skey[0]);
sk->skey[0] = NULL;
}
for(i=0; i < n; i++ ) {
mpi_free( sk->skey[i] );
sk->skey[i] = NULL;
@ -122,8 +158,12 @@ copy_secret_key( PKT_secret_key *d, PKT_secret_key *s )
d = m_alloc(sizeof *d);
memcpy( d, s, sizeof *d );
n = pubkey_get_nskey( s->pubkey_algo );
for(i=0; i < n; i++ )
d->skey[i] = mpi_copy( s->skey[i] );
if( !n )
d->skey[0] = cp_fake_data(s->skey[0]);
else {
for(i=0; i < n; i++ )
d->skey[i] = mpi_copy( s->skey[i] );
}
return d;
}
@ -254,6 +294,8 @@ cmp_public_keys( PKT_public_key *a, PKT_public_key *b )
return -1;
n = pubkey_get_npkey( b->pubkey_algo );
if( !n )
return -1; /* can't compare due to unknown algorithm */
for(i=0; i < n; i++ ) {
if( mpi_cmp( a->pkey[i], b->pkey[i] ) )
return -1;
@ -278,6 +320,8 @@ cmp_public_secret_key( PKT_public_key *pk, PKT_secret_key *sk )
return -1;
n = pubkey_get_npkey( pk->pubkey_algo );
if( !n )
return -1; /* can't compare due to unknown algorithm */
for(i=0; i < n; i++ ) {
if( mpi_cmp( pk->pkey[i] , sk->skey[i] ) )
return -1;