static unsigned
seckey_length(const pgp_seckey_t *key)
{
int len;
len = 0;
switch (key->pubkey.alg) {
case PGP_PKA_DSA:
return (unsigned)(mpi_length(key->key.dsa.x) + pubkey_length(&key->pubkey));
case PGP_PKA_RSA:
len = mpi_length(key->key.rsa.d) + mpi_length(key->key.rsa.p) +
mpi_length(key->key.rsa.q) + mpi_length(key->key.rsa.u);
return (unsigned)(len + pubkey_length(&key->pubkey));
default:
(void) fprintf(stderr,
"seckey_length: unknown key algorithm\n");
}
return 0;
}
static unsigned secret_key_length(const ops_secret_key_t *key)
{
int l;
switch(key->public_key.algorithm)
{
case OPS_PKA_RSA: l=mpi_length(key->key.rsa.d)
+mpi_length(key->key.rsa.p)
+mpi_length(key->key.rsa.q)
+mpi_length(key->key.rsa.u);
break ;
case OPS_PKA_DSA: l=mpi_length(key->key.dsa.x);
break;
default:
assert(!"unknown key algorithm");
}
return l+public_key_length(&key->public_key);
}
static unsigned public_key_length(const ops_public_key_t *key)
{
switch(key->algorithm)
{
case OPS_PKA_RSA: return mpi_length(key->key.rsa.n)
+mpi_length(key->key.rsa.e);
case OPS_PKA_DSA: return mpi_length(key->key.dsa.p)
+mpi_length(key->key.dsa.q)
+mpi_length(key->key.dsa.g)
+mpi_length(key->key.dsa.y);
case OPS_PKA_ELGAMAL:
return mpi_length(key->key.elgamal.p)
+mpi_length(key->key.elgamal.g)
+mpi_length(key->key.elgamal.y) ;
default:
fprintf(stderr,"Bad algorithm type in key: %d\n",key->algorithm) ;
assert(!"unknown key algorithm");
}
/* not reached */
return 0;
}
static unsigned
pubkey_length(const pgp_pubkey_t *key)
{
switch (key->alg) {
case PGP_PKA_DSA:
return mpi_length(key->key.dsa.p) + mpi_length(key->key.dsa.q) +
mpi_length(key->key.dsa.g) + mpi_length(key->key.dsa.y);
case PGP_PKA_RSA:
return mpi_length(key->key.rsa.n) + mpi_length(key->key.rsa.e);
default:
(void) fprintf(stderr,
"pubkey_length: unknown key algorithm\n");
}
return 0;
}