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added -M; removed CBC support, fixed asym-self-mode

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TLINDEN
2015-01-17 15:04:07 +01:00
parent c0a4f7f887
commit 8535b50f94
11 changed files with 607 additions and 732 deletions
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34
src/encryption.c
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@@ -166,11 +166,11 @@ int pcpencrypt(char *id, char *infile, char *outfile, char *passwd, plist_t *rec
pcp_pubkey_t *pub = NULL;
pcp_key_t *secret = NULL;
byte *symkey = NULL;
int self = 0;
int symmode = 0;
if(id == NULL && recipient == NULL) {
/* self mode */
self = 1;
/* sym mode */
symmode = 1;
char *passphrase;
if(passwd == NULL) {
pcp_readpass(&passphrase,
@@ -195,8 +195,9 @@ int pcpencrypt(char *id, char *infile, char *outfile, char *passwd, plist_t *rec
pcp_key_t *s = pcphash_keyexists(ptx, id);
if(s != NULL) {
tmp = pcpkey_pub_from_secret(s);
HASH_ADD_STR( pubhash, id, tmp);
self = 1;
pub = ucmalloc(sizeof(pcp_pubkey_t));
memcpy(pub, tmp, sizeof(pcp_pubkey_t));
HASH_ADD_STR( pubhash, id, pub);
}
else {
fatal(ptx, "Could not find a public key with id 0x%s in vault %s!\n",
@@ -220,7 +221,8 @@ int pcpencrypt(char *id, char *infile, char *outfile, char *passwd, plist_t *rec
rec = recipient->first;
while (rec != NULL) {
_lc(rec->value);
if(strnstr(tmp->mail, rec->value, 255) != NULL || strnstr(tmp->owner, rec->value, 255) != NULL) {
if(strnstr(tmp->mail, rec->value, 255) != NULL
|| strnstr(tmp->owner, rec->value, 255) != NULL) {
pub = ucmalloc(sizeof(pcp_pubkey_t));
memcpy(pub, tmp, sizeof(pcp_pubkey_t));
HASH_ADD_STR( pubhash, id, pub);
@@ -229,6 +231,19 @@ int pcpencrypt(char *id, char *infile, char *outfile, char *passwd, plist_t *rec
rec = rec->next;
}
}
/* look if we need to add ourselfes */
rec = recipient->first;
while (rec != NULL) {
if(strnstr("__self__", rec->value, 13) != NULL) {
pcp_key_t *s = pcp_find_primary_secret();
pcp_pubkey_t *p = pcpkey_pub_from_secret(s);
HASH_ADD_STR( pubhash, id, p);
break;
}
rec = rec->next;
}
if(HASH_COUNT(pubhash) == 0) {
fatal(ptx, "no matching key found for specified recipient(s)!\n");
goto erren3;
@@ -236,7 +251,7 @@ int pcpencrypt(char *id, char *infile, char *outfile, char *passwd, plist_t *rec
}
if(self != 1) {
if(symmode != 1) {
/* we're using a random secret keypair on our side */
if(anon) {
secret = pcpkey_new();
@@ -295,7 +310,7 @@ int pcpencrypt(char *id, char *infile, char *outfile, char *passwd, plist_t *rec
ps_armor(pout, PCP_BLOCK_SIZE/2);
}
if(self == 1) {
if(symmode == 1) {
clen = pcp_encrypt_stream_sym(ptx, pin, pout, symkey, 0, NULL);
sfree(symkey);
}
@@ -339,5 +354,8 @@ int pcpencrypt(char *id, char *infile, char *outfile, char *passwd, plist_t *rec
erren3:
if(tmp != NULL)
ucfree(tmp, sizeof(pcp_pubkey_t));
return 1;
}