Differential D6166 Diff 17051 head/lib/libmd/sha256.3

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head/lib/libmd/sha256.3

	.\"			.\"
	.\" ----------------------------------------------------------------------------			.\" ----------------------------------------------------------------------------
	.\" "THE BEER-WARE LICENSE" (Revision 42):			.\" "THE BEER-WARE LICENSE" (Revision 42):
	.\" <phk@FreeBSD.org> wrote this file. As long as you retain this notice you			.\" <phk@FreeBSD.org> wrote this file. As long as you retain this notice you
	.\" can do whatever you want with this stuff. If we meet some day, and you think			.\" can do whatever you want with this stuff. If we meet some day, and you think
	.\" this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp			.\" this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
	.\" ----------------------------------------------------------------------------			.\" ----------------------------------------------------------------------------
	.\"			.\"
	.\" From: Id: mdX.3,v 1.14 1999/02/11 20:31:49 wollman Exp			.\" From: Id: mdX.3,v 1.14 1999/02/11 20:31:49 wollman Exp
	.\" $FreeBSD$			.\" $FreeBSD$
	.\"			.\"
	.Dd March 28, 2014			.Dd April 26, 2016
	.Dt SHA256 3			.Dt SHA256 3
	.Os			.Os
	.Sh NAME			.Sh NAME
	.Nm SHA256_Init ,			.Nm SHA256_Init ,
	.Nm SHA256_Update ,			.Nm SHA256_Update ,
	.Nm SHA256_Final ,			.Nm SHA256_Final ,
	.Nm SHA256_End ,			.Nm SHA256_End ,
	.Nm SHA256_File ,			.Nm SHA256_File ,
	▲ Show 20 Lines • Show All 97 Lines • ▼ Show 20 Lines
	after use.			after use.
	If the			If the
	.Fa buf			.Fa buf
	argument is non-null it must point to at least 65 characters of buffer space.			argument is non-null it must point to at least 65 characters of buffer space.
	.Sh SEE ALSO			.Sh SEE ALSO
	.Xr md4 3 ,			.Xr md4 3 ,
	.Xr md5 3 ,			.Xr md5 3 ,
	.Xr ripemd 3 ,			.Xr ripemd 3 ,
	.Xr sha 3			.Xr sha 3 ,
				.Xr sha256 3 ,
				.Xr sha512 3 ,
				.Xr skein 3
	.Sh HISTORY			.Sh HISTORY
	These functions appeared in			These functions appeared in
	.Fx 6.0 .			.Fx 6.0 .
	.Sh AUTHORS			.Sh AUTHORS
	The core hash routines were implemented by Colin Percival based on			The core hash routines were implemented by Colin Percival based on
	the published			the published
	.Tn FIPS 180-2			.Tn FIPS 180-2
	standard.			standard.
	.Sh BUGS			.Sh BUGS
	No method is known to exist which finds two files having the same hash value,			No method is known to exist which finds two files having the same hash value,
	nor to find a file with a specific hash value.			nor to find a file with a specific hash value.
	There is on the other hand no guarantee that such a method does not exist.			There is on the other hand no guarantee that such a method does not exist.