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Expiration time works (I hope so)

This commit is contained in:
Werner Koch 1998-11-20 17:42:18 +00:00
parent f9d2bd8cb9
commit 47c61bafe3
35 changed files with 7147 additions and 2848 deletions

View file

@ -54,12 +54,13 @@ write_uid( KBNODE root, const char *s )
int
keygen_add_key_expire( PKT_signature *sig, void *opaque )
{
PKT_secret_key *sk = opaque;
PKT_public_key *pk = opaque;
byte buf[8];
u32 u;
if( sk->expiredate ) {
u = sk->expiredate;
if( pk->expiredate ) {
u = pk->expiredate > pk->timestamp? pk->expiredate - pk->timestamp
: pk->timestamp;
buf[0] = (u >> 24) & 0xff;
buf[1] = (u >> 16) & 0xff;
buf[2] = (u >> 8) & 0xff;
@ -135,7 +136,7 @@ write_selfsig( KBNODE root, KBNODE pub_root, PKT_secret_key *sk )
/* and make the signature */
rc = make_keysig_packet( &sig, pk, uid, NULL, sk, 0x13, 0,
keygen_add_std_prefs, sk );
keygen_add_std_prefs, pk );
if( rc ) {
log_error("make_keysig_packet failed: %s\n", g10_errstr(rc) );
return rc;
@ -176,7 +177,7 @@ write_keybinding( KBNODE root, KBNODE pub_root, PKT_secret_key *sk )
/* and make the signature */
rc = make_keysig_packet( &sig, pk, NULL, subpk, sk, 0x18, 0,
keygen_add_key_expire, sk );
keygen_add_key_expire, subpk );
if( rc ) {
log_error("make_keysig_packet failed: %s\n", g10_errstr(rc) );
return rc;
@ -192,7 +193,7 @@ write_keybinding( KBNODE root, KBNODE pub_root, PKT_secret_key *sk )
static int
gen_elg(int algo, unsigned nbits, KBNODE pub_root, KBNODE sec_root, DEK *dek,
STRING2KEY *s2k, PKT_secret_key **ret_sk, u32 expiredate,
STRING2KEY *s2k, PKT_secret_key **ret_sk, u32 expireval,
int version )
{
int rc;
@ -214,9 +215,9 @@ gen_elg(int algo, unsigned nbits, KBNODE pub_root, KBNODE sec_root, DEK *dek,
pk = m_alloc_clear( sizeof *pk );
sk->timestamp = pk->timestamp = make_timestamp();
sk->version = pk->version = version;
if( expiredate && expiredate < sk->timestamp )
expiredate = sk->timestamp; /* key generatio may take long */
sk->expiredate = pk->expiredate = expiredate;
if( expireval ) {
sk->expiredate = pk->expiredate = sk->timestamp + expireval;
}
sk->pubkey_algo = pk->pubkey_algo = algo;
pk->pkey[0] = mpi_copy( skey[0] );
pk->pkey[1] = mpi_copy( skey[1] );
@ -268,7 +269,7 @@ gen_elg(int algo, unsigned nbits, KBNODE pub_root, KBNODE sec_root, DEK *dek,
*/
static int
gen_dsa(unsigned nbits, KBNODE pub_root, KBNODE sec_root, DEK *dek,
STRING2KEY *s2k, PKT_secret_key **ret_sk, u32 expiredate )
STRING2KEY *s2k, PKT_secret_key **ret_sk, u32 expireval )
{
int rc;
int i;
@ -291,9 +292,9 @@ gen_dsa(unsigned nbits, KBNODE pub_root, KBNODE sec_root, DEK *dek,
pk = m_alloc_clear( sizeof *pk );
sk->timestamp = pk->timestamp = make_timestamp();
sk->version = pk->version = 4;
if( expiredate && expiredate < pk->timestamp )
expiredate = pk->timestamp; /* key generation may take long */
sk->expiredate = pk->expiredate = expiredate;
if( expireval ) {
sk->expiredate = pk->expiredate = sk->timestamp + expireval;
}
sk->pubkey_algo = pk->pubkey_algo = PUBKEY_ALGO_DSA;
pk->pkey[0] = mpi_copy( skey[0] );
pk->pkey[1] = mpi_copy( skey[1] );
@ -481,12 +482,12 @@ ask_keysize( int algo )
}
u32
ask_expiredate()
static u32
ask_expire_interval()
{
char *answer;
int valid_days=0;
u32 expiredate = 0;
u32 interval = 0;
tty_printf(_("Please specify how long the key should be valid.\n"
" 0 = key does not expire\n"
@ -494,7 +495,7 @@ ask_expiredate()
" <n>w = key expires in n weeks\n"
" <n>m = key expires in n months\n"
" <n>y = key expires in n years\n"));
/* Note: The elgamal subkey for DSA has no exiration date because
/* Note: The elgamal subkey for DSA has no expiration date because
* it must be signed with the DSA key and this one has the expiration
* date */
@ -520,12 +521,13 @@ ask_expiredate()
if( !valid_days ) {
tty_printf(_("Key does not expire at all\n"));
expiredate = 0;
interval = 0;
}
else {
expiredate = make_timestamp() + valid_days * 86400L;
interval = valid_days * 86400L;
/* print the date when the key expires */
tty_printf(_("Key expires at %s\n"), asctimestamp(expiredate) );
tty_printf(_("Key expires at %s\n"),
asctimestamp(make_timestamp() + interval ) );
}
if( !cpr_enabled()
@ -534,9 +536,15 @@ ask_expiredate()
break;
}
m_free(answer);
return expiredate;
return interval;
}
u32
ask_expiredate()
{
u32 x = ask_expire_interval();
return x? make_timestamp() + x : 0;
}
static int
has_invalid_email_chars( const char *s )
@ -804,7 +812,7 @@ generate_keypair()
STRING2KEY *s2k;
int rc;
int algo;
u32 expiredate;
u32 expire;
int v4;
int both = 0;
@ -820,7 +828,7 @@ generate_keypair()
tty_printf(_("DSA keypair will have 1024 bits.\n"));
}
nbits = ask_keysize( algo );
expiredate = ask_expiredate();
expire = ask_expire_interval();
uid = ask_user_id(0);
if( !uid ) {
log_error(_("Key generation cancelled.\n"));
@ -847,10 +855,10 @@ generate_keypair()
if( both )
rc = do_create( PUBKEY_ALGO_DSA, 1024, pub_root, sec_root,
dek, s2k, &sk, expiredate, 1);
dek, s2k, &sk, expire, 1);
else
rc = do_create( algo, nbits, pub_root, sec_root,
dek, s2k, &sk, expiredate, v4);
dek, s2k, &sk, expire, v4);
if( !rc )
write_uid(pub_root, uid );
if( !rc )
@ -862,7 +870,7 @@ generate_keypair()
if( both ) {
rc = do_create( algo, nbits, pub_root, sec_root,
dek, s2k, NULL, expiredate, 1 );
dek, s2k, NULL, expire, 1 );
if( !rc )
rc = write_keybinding(pub_root, pub_root, sk);
if( !rc )
@ -951,7 +959,7 @@ generate_subkeypair( KBNODE pub_keyblock, KBNODE sec_keyblock )
KBNODE node;
PKT_secret_key *sk = NULL; /* this is the primary sk */
int v4, algo;
u32 expiredate;
u32 expire;
unsigned nbits;
char *passphrase = NULL;
DEK *dek = NULL;
@ -988,7 +996,7 @@ generate_subkeypair( KBNODE pub_keyblock, KBNODE sec_keyblock )
algo = ask_algo( &v4, 1 );
assert(algo);
nbits = ask_keysize( algo );
expiredate = ask_expiredate();
expire = ask_expire_interval();
if( !cpr_enabled() && !cpr_get_answer_is_yes(N_("keygen.sub.okay"),
_("Really create? ") ) )
goto leave;
@ -1002,7 +1010,7 @@ generate_subkeypair( KBNODE pub_keyblock, KBNODE sec_keyblock )
}
rc = do_create( algo, nbits, pub_keyblock, sec_keyblock,
dek, s2k, NULL, expiredate, v4 );
dek, s2k, NULL, expire, v4 );
if( !rc )
rc = write_keybinding(pub_keyblock, pub_keyblock, sk);
if( !rc )