'\" t .\" Title: crypto_ahash_init .\" Author: .\" Generator: DocBook XSL Stylesheets v1.78.1 .\" Date: January 2017 .\" Manual: Programming Interface .\" Source: Kernel Hackers Manual 4.8.15 .\" Language: English .\" .TH "CRYPTO_AHASH_INIT" "9" "January 2017" "Kernel Hackers Manual 4\&.8\&." "Programming Interface" .\" ----------------------------------------------------------------- .\" * Define some portability stuff .\" ----------------------------------------------------------------- .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .\" http://bugs.debian.org/507673 .\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .ie \n(.g .ds Aq \(aq .el .ds Aq ' .\" ----------------------------------------------------------------- .\" * set default formatting .\" ----------------------------------------------------------------- .\" disable hyphenation .nh .\" disable justification (adjust text to left margin only) .ad l .\" ----------------------------------------------------------------- .\" * MAIN CONTENT STARTS HERE * .\" ----------------------------------------------------------------- .SH "NAME" crypto_ahash_init \- (re)initialize message digest handle .SH "SYNOPSIS" .HP \w'int\ crypto_ahash_init('u .BI "int crypto_ahash_init(struct\ ahash_request\ *\ " "req" ");" .SH "ARGUMENTS" .PP \fIreq\fR .RS 4 ahash_request handle that already is initialized with all necessary data using the ahash_request_* API functions .RE .SH "DESCRIPTION" .PP The call (re\-)initializes the message digest referenced by the ahash_request handle\&. Any potentially existing state created by previous operations is discarded\&. .SH "RETURN" .PP 0 if the message digest initialization was successful; < 0 if an error occurred .SH "AUTHORS" .PP \fBStephan Mueller\fR <\&smueller@chronox.de\&> .RS 4 Author. .RE .PP \fBMarek Vasut\fR <\&marek@denx.de\&> .RS 4 Author. .RE .SH "COPYRIGHT" .br