Import sources from 2011-03-30 iso image

1 files changed, 40 insertions, 0 deletions

diff --git a/sys/src/cmd/ssh/cipherdes.c b/sys/src/cmd/ssh/cipherdes.c
new file mode 100755
index 000000000..193d08242
--- /dev/null
+++ b/sys/src/cmd/ssh/cipherdes.c
@@ -0,0 +1,40 @@
+#include "ssh.h"
+
+struct CipherState
+{
+	DESstate enc;
+	DESstate dec;
+};
+
+static CipherState*
+initdes(Conn *c, int)
+{
+	CipherState *cs;
+
+	cs = emalloc(sizeof(CipherState));
+	setupDESstate(&cs->enc, c->sesskey, nil);
+	setupDESstate(&cs->dec, c->sesskey, nil);
+	return cs;
+}
+
+static void
+encryptdes(CipherState *cs, uchar *buf, int nbuf)
+{
+	desCBCencrypt(buf, nbuf, &cs->enc);
+}
+
+static void
+decryptdes(CipherState *cs, uchar *buf, int nbuf)
+{
+	desCBCdecrypt(buf, nbuf, &cs->dec);
+}
+
+Cipher cipherdes =
+{
+	SSH_CIPHER_DES,
+	"des",
+	initdes,
+	encryptdes,
+	decryptdes,
+};
+