$NetBSD: EVP_MAC-GMAC.7,v 1.5 2024/09/08 13:08:22 christos Exp $
-*- mode: troff; coding: utf-8 -*-
Automatically generated by Pod::Man 5.01 (Pod::Simple 3.43)
Standard preamble:
========================================================================
..
. ds C` "" . ds C' "" 'br\} . ds C` . ds C' 'br\}
Escape single quotes in literal strings from groff's Unicode transform.
If the F register is >0, we'll generate index entries on stderr for
titles (.TH), headers (.SH), subsections (.SS), items (.Ip), and index
entries marked with X<> in POD. Of course, you'll have to process the
output yourself in some meaningful fashion.
Avoid warning from groff about undefined register 'F'.
.. .nr rF 0 . if \nF \{\ . de IX . tm Index:\\$1\t\\n%\t"\\$2" .. . if !\nF==2 \{\ . nr % 0 . nr F 2 . \} . \} .\} .rr rF ========================================================================
Title "EVP_MAC-GMAC 7"
way too many mistakes in technical documents.
-*- mode: troff; coding: utf-8 -*-
Automatically generated by Pod::Man 5.01 (Pod::Simple 3.43)
Standard preamble:
========================================================================
..
.... \*(C` and \*(C' are quotes in nroff, nothing in troff, for use with C<>.
. ds C` "" . ds C' "" 'br\} . ds C` . ds C' 'br\}
Escape single quotes in literal strings from groff's Unicode transform.
If the F register is >0, we'll generate index entries on stderr for
titles (.TH), headers (.SH), subsections (.SS), items (.Ip), and index
entries marked with X<> in POD. Of course, you'll have to process the
output yourself in some meaningful fashion.
Avoid warning from groff about undefined register 'F'.
.. .nr rF 0 . if \nF \{\ . de IX . tm Index:\\$1\t\\n%\t"\\$2" .. . if !\nF==2 \{\ . nr % 0 . nr F 2 . \} . \} .\} .rr rF ========================================================================
Title "EVP_MAC-GMAC 7"
EVP_MAC-GMAC 7 2024-09-03 3.0.15 OpenSSL
For nroff, turn off justification. Always turn off hyphenation; it makesway too many mistakes in technical documents.
NAME
EVP_MAC-GMAC - The GMAC EVP_MAC implementation
DESCRIPTION
Header "DESCRIPTION" Support for computing GMAC MACs through the EVP_MAC API.
This implementation uses EVP_CIPHER functions to get access to the underlying cipher.
Identity
Subsection "Identity" This implementation is identified with this name and properties, to be
used with EVP_MAC_fetch():
"""GMAC"", ""provider=default"" or ""provider=fips""" 4
Item """GMAC"", ""provider=default"" or ""provider=fips""" "Supported parameters"
Subsection "Supported parameters" The general description of these parameters can be found in
"PARAMETERS" in EVP_MAC\|(3).
The following parameter can be set with EVP_MAC_CTX_set_params():
"""key"" (OSSL_MAC_PARAM_KEY) <octet string>" 4
Item """key"" (OSSL_MAC_PARAM_KEY) <octet string>" Sets the MAC key.
Setting this parameter is identical to passing a key to EVP_MAC_init\|(3).
"""iv"" (OSSL_MAC_PARAM_IV) <octet string>" 4
Item """iv"" (OSSL_MAC_PARAM_IV) <octet string>" Sets the IV of the underlying cipher, when applicable.
"""cipher"" (OSSL_MAC_PARAM_CIPHER) <UTF8 string>" 4
Item """cipher"" (OSSL_MAC_PARAM_CIPHER) <UTF8 string>" Sets the name of the underlying cipher to be used.
"""properties"" (OSSL_MAC_PARAM_PROPERTIES) <UTF8 string>" 4
Item """properties"" (OSSL_MAC_PARAM_PROPERTIES) <UTF8 string>" Sets the properties to be queried when trying to fetch the underlying cipher.
This must be given together with the cipher naming parameter to be considered
valid.
The following parameters can be retrieved with \fBEVP_MAC_CTX_get_params():
"""size"" (OSSL_MAC_PARAM_SIZE) <unsigned integer>" 4
Item """size"" (OSSL_MAC_PARAM_SIZE) <unsigned integer>" Gets the MAC size.
The "size" parameter can also be retrieved with EVP_MAC_CTX_get_mac_size(). The length of the "size" parameter is equal to that of an unsigned int.
"SEE ALSO"
Header "SEE ALSO" \fBEVP_MAC_CTX_get_params\|(3), EVP_MAC_CTX_set_params\|(3),
"PARAMETERS" in EVP_MAC\|(3), OSSL_PARAM\|(3)
COPYRIGHT
Header "COPYRIGHT" Copyright 2018-2021 The OpenSSL Project Authors. All Rights Reserved.
Licensed under the Apache License 2.0 (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 <https://www.openssl.org/source/license.html>.