Initial NSS Open Source checkin
authorrelyea%netscape.com
Tue, 19 Jun 2012 05:46:49 +0000
changeset 10380 4492b9aa385cfa2c4825ac7cc58c1ca0f34d24bc
parent 10379 92ea377826cfb94257d227f5471ee06bc8feebc2
child 10381 1dfcacd577da0aceaef4b24d2e75bcbcc060ba5e
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Initial NSS Open Source checkin
security/nss/lib/util/hasht.h
new file mode 100644
--- /dev/null
+++ b/security/nss/lib/util/hasht.h
@@ -0,0 +1,87 @@
+/*
+ * The contents of this file are subject to the Mozilla Public
+ * License Version 1.1 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of
+ * the License at http://www.mozilla.org/MPL/
+ * 
+ * Software distributed under the License is distributed on an "AS
+ * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+ * implied. See the License for the specific language governing
+ * rights and limitations under the License.
+ * 
+ * The Original Code is the Netscape security libraries.
+ * 
+ * The Initial Developer of the Original Code is Netscape
+ * Communications Corporation.  Portions created by Netscape are 
+ * Copyright (C) 1994-2000 Netscape Communications Corporation.  All
+ * Rights Reserved.
+ * 
+ * Contributor(s):
+ * 
+ * Alternatively, the contents of this file may be used under the
+ * terms of the GNU General Public License Version 2 or later (the
+ * "GPL"), in which case the provisions of the GPL are applicable 
+ * instead of those above.  If you wish to allow use of your 
+ * version of this file only under the terms of the GPL and not to
+ * allow others to use your version of this file under the MPL,
+ * indicate your decision by deleting the provisions above and
+ * replace them with the notice and other provisions required by
+ * the GPL.  If you do not delete the provisions above, a recipient
+ * may use your version of this file under either the MPL or the
+ * GPL.
+ *
+ * hasht.h - public data structures for the hashing library
+ *
+ * $Id$
+ */
+
+#ifndef _HASHT_H_
+#define _HASHT_H_
+
+/* Opaque objects */
+typedef struct SECHashObjectStr SECHashObject;
+typedef struct HASHContextStr HASHContext;
+
+/*
+ * The hash functions the security library supports
+ * NOTE the order must match the definition of SECHashObjects[]!
+ */
+typedef enum {
+    HASH_AlgNULL,
+    HASH_AlgMD2,
+    HASH_AlgMD5,
+    HASH_AlgSHA1,
+    HASH_AlgTOTAL
+} HASH_HashType;
+
+/*
+ * Number of bytes each hash algorithm produces
+ */
+#define MD2_LENGTH	16
+#define MD5_LENGTH	16
+#define SHA1_LENGTH	20
+
+/*
+ * Structure to hold hash computation info and routines
+ */
+struct SECHashObjectStr {
+    unsigned int length;
+    void * (*create)(void);
+    void * (*clone)(void *);
+    void (*destroy)(void *, PRBool);
+    void (*begin)(void *);
+    void (*update)(void *, const unsigned char *, unsigned int);
+    void (*end)(void *, unsigned char *, unsigned int *, unsigned int);
+};
+
+struct HASHContextStr {
+    struct SECHashObjectStr *hashobj;
+    void *hash_context;
+};
+
+extern SECHashObject SECHashObjects[];
+
+/*only those functions below the PKCS #11 line should use SECRawHashObjects*/
+extern SECHashObject SECRawHashObjects[];
+
+#endif /* _HASHT_H_ */