*** empty log message ***

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@1419 dc483132-0cff-0310-8789-dd5450dbe970

2 files changed, 79 insertions, 0 deletions

diff --git a/src/lib/crypto/md4/Imakefile b/src/lib/crypto/md4/Imakefile
new file mode 100644
index 000000000..7a291acd9
--- /dev/null
+++ b/src/lib/crypto/md4/Imakefile
@@ -0,0 +1,18 @@
+#	$Source$
+#	$Author$
+#	$Id$
+#
+#  Copyright 1990,1991 by the Massachusetts Institute of Technology.
+# 
+#  For copying and distribution information, please see the file
+#  <krb5/copyright.h>.
+# 
+NormalLibraryObjectRule()
+
+OBJS=	md4.o md4glue.o
+
+SRCS=	md4.c md4glue.c
+
+DEFINES= $(DESDEFINES)
+
+NormalLibraryTarget(md4,$(OBJS))
diff --git a/src/lib/crypto/md4/md4glue.c b/src/lib/crypto/md4/md4glue.c
new file mode 100644
index 000000000..58c6264be
--- /dev/null
+++ b/src/lib/crypto/md4/md4glue.c
@@ -0,0 +1,61 @@
+/*
+ * $Source$
+ * $Author$
+ *
+ * Copyright 1990 by the Massachusetts Institute of Technology.
+ *
+ * For copying and distribution information, please see the file
+ * <krb5/copyright.h>.
+ *
+ * Kerberos glue for MD4 sample implementation.
+ */
+
+#if !defined(lint) && !defined(SABER)
+static char rcsid_md4glue_c[] =
+"$Id$";
+#endif	/* !lint & !SABER */
+
+#include <krb5/copyright.h>
+#include <krb5/krb5.h>
+#include <krb5/rsa-md4.h>
+
+static krb5_error_code
+md4_sum_func(in, in_length, seed, seed_length, outcksum)
+krb5_pointer in;
+size_t in_length;
+krb5_pointer seed;
+size_t seed_length;
+krb5_checksum *outcksum;
+{
+    krb5_octet *output;
+    krb5_octet *input = (krb5_octet *)in;
+    register int i, j;
+    MDstruct working;
+
+    MDbegin(&working);
+
+    for (i = in_length; i >= 64; i -= 64, input += 64)
+	/* MD4 works in 512 bit chunks (64 bytes) */
+	MDupdate(&working, input, 512);
+    /* now close out remaining stuff.  Even if i == 0, we want to
+       "close out" the MD4 algorithm */
+    MDupdate(&working, input, i*8);
+
+    outcksum->checksum_type = RSA_MD4_CKSUMTYPE;
+    outcksum->length = RSA_MD4_CKSUM_LENGTH;
+
+    /* the output code here is adapted from MDprint */
+
+    output = outcksum->contents;
+    for (i = 0; i < 4; i++)
+	for (j = 0; j < 32; j += 8)
+	    *output++ = (working.buffer[i] >> j) & 0xFF;
+
+    return 0;
+}
+
+
+krb5_checksum_entry crc32_cksumtable_entry = {
+    md4_sum_func,
+    RSA_MD4_CKSUM_LENGTH, /* CRC-32 is 4 octets */
+};