File 0005-s390x-assembly-pack-add-OPENSSL_s390xcap-m... of Package openssl-1_1

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File 0005-s390x-assembly-pack-add-OPENSSL_s390xcap-man-page.patch of Package openssl-1_1 (Revision fe5fc7b11e10f047721e8b342bdce931)

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From 79310b18d90badd58595cf2fff40591ad76c301a Mon Sep 17 00:00:00 2001
From: Patrick Steuer <patrick.steuer@de.ibm.com>
Date: Tue, 31 Jan 2017 12:43:35 +0100
Subject: [PATCH 05/44] s390x assembly pack: add OPENSSL_s390xcap man page.

Signed-off-by: Patrick Steuer <patrick.steuer@de.ibm.com>
---
 doc/man3/OPENSSL_s390xcap.pod | 94 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 94 insertions(+)
 create mode 100644 doc/man3/OPENSSL_s390xcap.pod

diff --git a/doc/man3/OPENSSL_s390xcap.pod b/doc/man3/OPENSSL_s390xcap.pod
new file mode 100644
index 0000000000..de56c7cf55
--- /dev/null
+++ b/doc/man3/OPENSSL_s390xcap.pod
@@ -0,0 +1,94 @@
+=pod
+
+=head1 NAME
+
+OPENSSL_s390xcap - the z processor capabilities vector
+
+=head1 SYNOPSIS
+
+ env OPENSSL_s390xcap=... <application>
+
+=head1 DESCRIPTION
+
+libcrypto supports z architecture instruction set extensions. These
+extensions are denoted by individual bits in the capability vector.
+When libcrypto is initialized, the bits returned by the STFLE instruction
+and by the QUERY functions are stored in the vector.
+
+The OPENSSL_s390xcap environment variable can be set before starting an
+application to affect capability detection. It is specified by a
+colon-separated list of 64-bit values in hexadecimal notation, the 0x
+prefix being optional. The ~ prefix means bitwise NOT and a point
+indicates the end of the STFLE bits respectively the beginning of the
+QUERY bits.
+
+After initialization, the capability vector is ANDed bitwise with the
+corresponding parts of the environment variable.
+
+The following bits are significant:
+
+.
+
+=over
+
+=item #60 KIMD-SHA-512
+
+=item #61 KIMD-SHA-256
+
+=item #62 KIMD-SHA-1
+
+=back
+
+:
+
+=over
+
+=item #62 KIMD-GHASH
+
+=back
+
+:
+
+=over
+
+=item #11 KM-XTS-AES-256
+
+=item #13 KM-XTS-AES-128
+
+=item #43 KM-AES-256
+
+=item #44 KM-AES-192
+
+=item #45 KM-AES-128
+
+=back
+
+:
+:
+
+=over
+
+=item #43 KMC-AES-256
+
+=item #44 KMC-AES-192
+
+=item #45 KMC-AES-128
+
+=back
+
+=head1 EXAMPLES
+
+OPENSSL_s390xcap=.0:0 disables KIMD.
+
+OPENSSL_s390xcap=.::~0x2800 disables KM-XTS-AES.
+
+=head1 COPYRIGHT
+
+Copyright 2017 The OpenSSL Project Authors. All Rights Reserved.
+
+Licensed under the OpenSSL license (the "License").  You may not use
+this file except in compliance with the License.  You can obtain a copy
+in the file LICENSE in the source distribution or at
+L<https://www.openssl.org/source/license.html>.
+
+=cut
-- 
2.13.6

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