removing (outdated) drawterm

drawterm is much better maintained by russ cox,
so removing this outdated copy.

for a more recent version, go to:

http://swtch.com/drawterm/

1 files changed, 0 insertions, 56 deletions

diff --git a/sys/src/cmd/unix/drawterm/libsec/hmac.c b/sys/src/cmd/unix/drawterm/libsec/hmac.c
deleted file mode 100644
index c72397380..000000000
--- a/sys/src/cmd/unix/drawterm/libsec/hmac.c
+++ /dev/null
@@ -1,56 +0,0 @@
-#include "os.h"
-#include <libsec.h>
-
-/* rfc2104 */
-static DigestState*
-hmac_x(uchar *p, ulong len, uchar *key, ulong klen, uchar *digest, DigestState *s,
-	DigestState*(*x)(uchar*, ulong, uchar*, DigestState*), int xlen)
-{
-	int i;
-	uchar pad[65], innerdigest[256];
-
-	if(xlen > sizeof(innerdigest))
-		return nil;
-
-	if(klen>64)
-		return nil;
-
-	/* first time through */
-	if(s == nil){
-		for(i=0; i<64; i++)
-			pad[i] = 0x36;
-		pad[64] = 0;
-		for(i=0; i<klen; i++)
-			pad[i] ^= key[i];
-		s = (*x)(pad, 64, nil, nil);
-		if(s == nil)
-			return nil;
-	}
-
-	s = (*x)(p, len, nil, s);
-	if(digest == nil)
-		return s;
-
-	/* last time through */
-	for(i=0; i<64; i++)
-		pad[i] = 0x5c;
-	pad[64] = 0;
-	for(i=0; i<klen; i++)
-		pad[i] ^= key[i];
-	(*x)(nil, 0, innerdigest, s);
-	s = (*x)(pad, 64, nil, nil);
-	(*x)(innerdigest, xlen, digest, s);
-	return nil;
-}
-
-DigestState*
-hmac_sha1(uchar *p, ulong len, uchar *key, ulong klen, uchar *digest, DigestState *s)
-{
-	return hmac_x(p, len, key, klen, digest, s, sha1, SHA1dlen);
-}
-
-DigestState*
-hmac_md5(uchar *p, ulong len, uchar *key, ulong klen, uchar *digest, DigestState *s)
-{
-	return hmac_x(p, len, key, klen, digest, s, md5, MD5dlen);
-}