michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef _HASH_H_
michael@0: #define _HASH_H_
michael@0: 
michael@0: #include "seccomon.h"
michael@0: #include "hasht.h"
michael@0: #include "secoidt.h"
michael@0: 
michael@0: SEC_BEGIN_PROTOS
michael@0: 
michael@0: /*
michael@0: ** Generic hash api.  
michael@0: */
michael@0: 
michael@0: extern unsigned int  HASH_ResultLen(HASH_HashType type);
michael@0: 
michael@0: extern unsigned int  HASH_ResultLenContext(HASHContext *context);
michael@0: 
michael@0: extern unsigned int  HASH_ResultLenByOidTag(SECOidTag hashOid);
michael@0: 
michael@0: extern SECStatus     HASH_HashBuf(HASH_HashType type,
michael@0: 				 unsigned char *dest,
michael@0: 				 const unsigned char *src,
michael@0: 				 PRUint32 src_len);
michael@0: 
michael@0: extern HASHContext * HASH_Create(HASH_HashType type);
michael@0: 
michael@0: extern HASHContext * HASH_Clone(HASHContext *context);
michael@0: 
michael@0: extern void          HASH_Destroy(HASHContext *context);
michael@0: 
michael@0: extern void          HASH_Begin(HASHContext *context);
michael@0: 
michael@0: extern void          HASH_Update(HASHContext *context,
michael@0: 				const unsigned char *src,
michael@0: 				unsigned int len);
michael@0: 
michael@0: extern void          HASH_End(HASHContext *context,
michael@0: 			     unsigned char *result,
michael@0: 			     unsigned int *result_len,
michael@0: 			     unsigned int max_result_len);
michael@0: 			     
michael@0: extern HASH_HashType HASH_GetType(HASHContext *context);
michael@0: 
michael@0: extern const SECHashObject * HASH_GetHashObject(HASH_HashType type);
michael@0: 
michael@0: extern const SECHashObject * HASH_GetHashObjectByOidTag(SECOidTag hashOid);
michael@0: 
michael@0: extern HASH_HashType HASH_GetHashTypeByOidTag(SECOidTag hashOid);
michael@0: extern SECOidTag HASH_GetHashOidTagByHMACOidTag(SECOidTag hmacOid);
michael@0: extern SECOidTag HASH_GetHMACOidTagByHashOidTag(SECOidTag hashOid);
michael@0: 
michael@0: SEC_END_PROTOS
michael@0: 
michael@0: #endif /* _HASH_H_ */