1 files changed, 57 insertions, 0 deletions
diff --git a/cpukit/libmd/md4.h b/cpukit/libmd/md4.h
new file mode 100644
index 0000000000..0245486af6
--- /dev/null
+++ b/cpukit/libmd/md4.h
@@ -0,0 +1,57 @@
+
+/*
+** ********************************************************************
+** md4.h -- Header file for implementation of                        **
+** MD4 Message Digest Algorithm                                      **
+** Updated: 2/13/90 by Ronald L. Rivest                              **
+** (C) 1990 RSA Data Security, Inc.                                  **
+** ********************************************************************
+*/
+
+#include <stdint.h>
+
+/* MDstruct is the data structure for a message digest computation.
+*/
+typedef struct {
+	uint32_t buffer[4]; /* Holds 4-word result of MD computation */
+	uint8_t  count[8];  /* Number of bits processed so far */
+	uint32_t done;      /* Nonzero means MD computation finished */
+} MD4_CTX;
+
+/* MD4Init(MD4_CTX *)
+** Initialize the MD4_CTX prepatory to doing a message digest
+** computation.
+*/
+extern void MD4Init(MD4_CTX *MD);
+
+/* MD4Update(MD,X,count)
+** Input: X -- a pointer to an array of unsigned characters.
+**        count -- the number of bits of X to use (an unsigned int).
+** Updates MD using the first "count" bits of X.
+** The array pointed to by X is not modified.
+** If count is not a multiple of 8, MD4Update uses high bits of
+** last byte.
+** This is the basic input routine for a user.
+** The routine terminates the MD computation when count < 512, so
+** every MD computation should end with one call to MD4Update with a
+** count less than 512.  Zero is OK for a count.
+*/
+extern void MD4Update(MD4_CTX *MD, unsigned char *X, unsigned int count);
+
+/* MD4Print(MD)
+** Prints message digest buffer MD as 32 hexadecimal digits.
+** Order is from low-order byte of buffer[0] to high-order byte
+** of buffer[3].
+** Each byte is printed with high-order hexadecimal digit first.
+*/
+extern void MD4Print(MD4_CTX *);
+
+/* MD4Final(buf, MD)
+** Returns message digest from MD and terminates the message
+** digest computation.
+*/
+extern void MD4Final(unsigned char *, MD4_CTX *);
+
+/*
+** End of md4.h
+****************************(cut)***********************************/