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Peter Schellenbach's patch: re-implement the PuTTY cryptographic

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functions as calls to the MS Crypto API. Not integrated into the
Makefile yet, but should eventually allow building of an SSH-enabled
PuTTY which contains no native crypto code, so it can be used
everywhere (and anyone who can get the MS encryption pack can still
use the SSH parts).

[originally from svn r425]
This commit is contained in:
Simon Tatham
2000-03-24 09:45:49 +00:00
parent e32eae7db1
commit 9922072a8d
8 changed files with 502 additions and 6 deletions
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21
ssh.c
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@ -152,8 +152,15 @@ static void ssh_gotdata(unsigned char *data, int datalen) {
pktin.length = len;
if (pktin.maxlen < biglen) {
pktin.maxlen = biglen;
#ifdef MSCRYPTOAPI
/* Allocate enough buffer space for extra block
* for MS CryptEncrypt() */
pktin.data = (pktin.data == NULL ? malloc(biglen+8) :
realloc(pktin.data, biglen+8));
#else
pktin.data = (pktin.data == NULL ? malloc(biglen) :
realloc(pktin.data, biglen));
realloc(pktin.data, biglen));
#endif
if (!pktin.data)
fatalbox("Out of memory");
}
@ -199,8 +206,15 @@ static void s_wrpkt_start(int type, int len) {
pktout.length = len-5;
if (pktout.maxlen < biglen) {
pktout.maxlen = biglen;
#ifdef MSCRYPTOAPI
/* Allocate enough buffer space for extra block
* for MS CryptEncrypt() */
pktout.data = (pktout.data == NULL ? malloc(biglen+8) :
realloc(pktout.data, biglen+8));
#else
pktout.data = (pktout.data == NULL ? malloc(biglen+4) :
realloc(pktout.data, biglen+4));
#endif
if (!pktout.data)
fatalbox("Out of memory");
}
@ -685,6 +699,11 @@ static char *ssh_init (HWND hwnd, char *host, int port, char **realhost) {
char *FWhost;
int FWport;
#endif
#ifdef MSCRYPTOAPI
if(crypto_startup() == 0)
return "Microsoft high encryption pack not installed!";
#endif
savedhost = malloc(1+strlen(host));
if (!savedhost)