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authorIgor Pashev <pashev.igor@gmail.com>2012-11-25 14:36:20 +0000
committerIgor Pashev <pashev.igor@gmail.com>2012-11-25 14:36:20 +0000
commitc3649a2def02c41d837ae1f79dda729ccb91e677 (patch)
treebea46dff212fdef977fe9094a70a939e8cc21885 /man/man3/Tspi_Hash_GetHashValue.3
downloadtrousers-upstream/0.3.9.tar.gz
Imported Upstream version 0.3.9upstream/0.3.9upstream
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+.\" Copyright (C) 2004 International Business Machines Corporation
+.\" Written by Megan Schneider based on the Trusted Computing Group Software Stack Specification Version 1.1 Golden
+.\"
+.de Sh \" Subsection
+.br
+.if t .Sp
+.ne 5
+.PP
+\fB\\$1\fR
+.PP
+..
+.de Sp \" Vertical space (when we can't use .PP)
+.if t .sp .5v
+.if n .sp
+..
+.de Ip \" List item
+.br
+.ie \\n(.$>=3 .ne \\$3
+.el .ne 3
+.IP "\\$1" \\$2
+..
+.TH "Tspi_Hash_GetHashValue" 3 "2004-05-25" "TSS 1.1"
+.ce 1
+TCG Software Stack Developer's Reference
+.SH NAME
+Tspi_Hash_GetHashValue \- get the current hash value of a hash object
+.SH "SYNOPSIS"
+.ad l
+.hy 0
+.nf
+.B #include <tss/platform.h>
+.B #include <tss/tcpa_defines.h>
+.B #include <tss/tcpa_typedef.h>
+.B #include <tss/tcpa_struct.h>
+.B #include <tss/tss_typedef.h>
+.B #include <tss/tss_structs.h>
+.B #include <tss/tspi.h>
+.sp
+.BI "TSS_RESULT Tspi_Hash_GetHashValue(TSS_HHASH " hHash ", UINT32* " pulHashValueLength ", BYTE** " prgbHashValue ");"
+.fi
+.sp
+.ad
+.hy
+
+.SH "DESCRIPTION"
+.PP
+\fBTspi_Hash_GetHashValue\fR gets the hash value of
+a hash object. \fBTspi_Context_FreeMemory\fR must be used to clean
+up after this function, as memory is allocated for the
+\fIprgbHashValue\fR data.
+
+.SH "PARAMETERS"
+.PP
+.SS hHash
+The handle to the hash object instance whose hash value should be signed.
+.SS pulHashValueLength
+Receives the length of the hash value data returned at the parameter
+\fIprgbHashValue\fR.
+.SS prgbHashValue
+Receives a pointer to the hash value data.
+
+.SH "RETURN CODES"
+.PP
+\fBTspi_Hash_GetHashValue\fR returns TSS_SUCCESS on success, otherwise
+one of the following values is returned:
+.TP
+.SM TSS_E_INVALID_HANDLE
+\fIhHash\fR is not a valid handle.
+
+.TP
+.SM TSS_E_INTERNAL_ERROR
+An internal SW error has been detected.
+
+.TP
+.SM TSS_E_BAD_PARAMETER
+One or more parameters is bad.
+
+.TP
+.SM TSS_E_HASH_INVALID_LENGTH
+Hash length is inconsistent with hash algorithm.
+
+.TP
+.SM TSS_E_HASH_NO_DATA
+Hash object has no internal hash value.
+
+
+.SH "CONFORMING TO"
+
+.PP
+\fBTspi_Hash_GetHashValue\fR conforms to the Trusted Computing Group
+Software Specification version 1.1 Golden
+
+.SH "SEE ALSO"
+
+.PP
+\fBTspi_Hash_UpdateHash\fR(3), \fBTspi_Hash_Sign\fR(3),
+\fBTspi_Hash_VerifySignature\fR(3), \fBTspi_Hash_SetHashValue\fR(3).
+