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Title "EVP_MAC-SIPHASH 7ossl" For nroff, turn off justification. Always turn off hyphenation; it makes
way too many mistakes in technical documents.
EVP_MAC-Siphash - The Siphash EVP_MAC implementation Header "DESCRIPTION" Support for computing Siphash MACs through the \s-1EVP_MAC\s0 \s-1API.\s0 Subsection "Identity" This implementation is identified with this name and properties, to be used with EVP_MAC_fetch(): Item "SIPHASH, provider=default" Subsection "Supported parameters" The general description of these parameters can be found in \*(L"\s-1PARAMETERS\*(R"\s0 in \s-1EVP_MAC\s0\|(3).

All these parameters can be set with EVP_MAC_CTX_set_params(). Furthermore, the \*(L"size\*(R" parameter can be retrieved with \fBEVP_MAC_CTX_get_params(), or with EVP_MAC_CTX_get_mac_size(). The length of the \*(L"size\*(R" parameter should not exceed that of a size_t. Item "key (OSSL_MAC_PARAM_KEY) <octet string>" Sets the \s-1MAC\s0 key. Setting this parameter is identical to passing a key to EVP_MAC_init\|(3). Item "size (OSSL_MAC_PARAM_SIZE) <unsigned integer>" Sets the \s-1MAC\s0 size. Item "c-rounds (OSSL_MAC_PARAM_C_ROUNDS) <unsigned integer>" Specifies the number of rounds per message block. By default this is 2. Item "d-rounds (OSSL_MAC_PARAM_D_ROUNDS) <unsigned integer>" Specifies the number of finalisation rounds. By default this is 4.

Header "SEE ALSO" \fBEVP_MAC_CTX_get_params\|(3), EVP_MAC_CTX_set_params\|(3), \*(L"\s-1PARAMETERS\*(R"\s0 in \s-1EVP_MAC\s0\|(3), \s-1OSSL_PARAM\s0\|(3) Header "COPYRIGHT" Copyright 2018-2021 The OpenSSL Project Authors. All Rights Reserved.

Licensed under the Apache License 2.0 (the \*(L"License\*(R"). You may not use this file except in compliance with the License. You can obtain a copy in the file \s-1LICENSE\s0 in the source distribution or at <https://www.openssl.org/source/license.html>.