1 files changed, 73 insertions, 0 deletions
diff --git a/trunk/include/asterisk/sha1.h b/trunk/include/asterisk/sha1.h
new file mode 100644
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+++ b/trunk/include/asterisk/sha1.h
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+/*
+ *  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_
+
+/*
+ * We assume that the standard asterisk headers have been included before this one.
+ * If you do not have the ISO standard stdint.h header file, then you
+ * must typdef the following:
+ *    name              meaning
+ *  uint32_t         unsigned 32 bit integer
+ *  uint8_t          unsigned 8 bit integer (i.e., unsigned char)
+ *
+ */
+
+#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
+
+/*!
+ * \brief This structure will hold context information for the SHA-1 hashing operation
+*/
+typedef 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   */
+    uint32_t Message_Block_Index;	/*!< 8 bits actually suffice */
+    uint8_t Message_Block[64];      /*!< 512-bit message blocks      */
+
+    int Computed;               /*!< Is the digest computed?         */
+    int Corrupted;             /*!< Is the message digest corrupted? */
+} SHA1Context;
+
+/*
+ *  Function Prototypes
+ */
+
+
+int SHA1Reset(  SHA1Context *);
+int SHA1Input(  SHA1Context *,
+                const uint8_t *,
+                unsigned int);
+int SHA1Result( SHA1Context *,
+                uint8_t Message_Digest[SHA1HashSize]);
+
+#endif