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Diffstat (limited to 'security/nss/lib/util/secrng.h')
-rw-r--r-- | security/nss/lib/util/secrng.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/security/nss/lib/util/secrng.h b/security/nss/lib/util/secrng.h new file mode 100644 index 000000000..c4c8686ef --- /dev/null +++ b/security/nss/lib/util/secrng.h @@ -0,0 +1,82 @@ +/* + * 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. + */ + +#ifndef _SECRNG_H_ +#define _SECRNG_H_ +/* + * secrng.h - public data structures and prototypes for the secure random + * number generator + * + * $Id$ + */ + +/******************************************/ +/* +** Random number generation. A cryptographically strong random number +** generator. +*/ + +#include "blapi.h" + +SEC_BEGIN_PROTOS + +/* +** The following 3 functions are provided by the security library +** but are differently implemented for the UNIX, Mac and Win +** versions +*/ + +/* +** Get the "noisiest" information available on the system. +** The amount of data returned depends on the system implementation. +** It will not exceed maxbytes, but may be (much) less. +** Returns number of noise bytes copied into buf, or zero if error. +*/ +extern size_t RNG_GetNoise(void *buf, size_t maxbytes); + +/* +** RNG_SystemInfoForRNG should be called before any use of SSL. It +** gathers up the system specific information to help seed the +** state of the global random number generator. +*/ +extern void RNG_SystemInfoForRNG(void); + +/* +** Use the contents (and stat) of a file to help seed the +** global random number generator. +*/ +extern void RNG_FileForRNG(char *filename); + +SEC_END_PROTOS + +#endif /* _SECUTIL_H_ */ |