r17488: - add SHA1 and HMACSHA1 functions, based on rfc 2104,2202,3174

- and add torture tests also based on the rfc's

metze
(This used to be commit d48930a02f9560640697fd57e4bba03dc0abe284)

1 files changed, 62 insertions, 0 deletions

diff --git a/source4/lib/crypto/sha1.h b/source4/lib/crypto/sha1.h
new file mode 100644
index 0000000000..4a2d448bfc
--- /dev/null
+++ b/source4/lib/crypto/sha1.h
@@ -0,0 +1,62 @@
+/*
+ This file contains the reference implementation of SHA-1
+ from http://www.ietf.org/rfc/rfc3174.txt
+*/
+/*
+ *  sha1.h
+ *
+ *  Description:
+ *      This is the header file for code which implements the Secure
+ *      Hashing Algorithm 1 as defined in FIPS PUB 180-1 published
+ *      April 17, 1995.
+ *
+ *      Many of the variable names in this code, especially the
+ *      single character names, were used because those were the names
+ *      used in the publication.
+ *
+ *      Please read the file sha1.c for more information.
+ *
+ */
+#ifndef _SHA1_H_
+#define _SHA1_H_
+
+#ifndef _SHA_enum_
+#define _SHA_enum_
+enum
+{
+    shaSuccess = 0,
+    shaNull,            /* Null pointer parameter */
+    shaInputTooLong,    /* input data too long */
+    shaStateError       /* called Input after Result */
+};
+#endif
+#define SHA1HashSize 20
+
+/*
+ *  This structure will hold context information for the SHA-1
+ *  hashing operation
+ */
+struct SHA1Context
+{
+    uint32_t Intermediate_Hash[SHA1HashSize/4]; /* Message Digest  */
+
+    uint32_t Length_Low;            /* Message length in bits      */
+    uint32_t Length_High;           /* Message length in bits      */
+
+                               /* Index into message block array   */
+    int16_t Message_Block_Index;
+    uint8_t Message_Block[64];      /* 512-bit message blocks      */
+
+    int Computed;               /* Is the digest computed?         */
+    int Corrupted;             /* Is the message digest corrupted? */
+};
+
+/*
+ *  Function Prototypes
+ */
+
+int SHA1Init(struct SHA1Context *);
+int SHA1Update(struct SHA1Context *, const uint8_t *data, size_t data_len);
+int SHA1Final(uint8_t Message_Digest[SHA1HashSize], struct SHA1Context *);
+
+#endif