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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 19:43:11 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 19:43:11 +0000
commitfc22b3d6507c6745911b9dfcc68f1e665ae13dbc (patch)
treece1e3bce06471410239a6f41282e328770aa404a /upstream/debian-bookworm/man7/EVP_RAND-HASH-DRBG.7ssl
parentInitial commit. (diff)
downloadmanpages-l10n-fc22b3d6507c6745911b9dfcc68f1e665ae13dbc.tar.xz
manpages-l10n-fc22b3d6507c6745911b9dfcc68f1e665ae13dbc.zip
Adding upstream version 4.22.0.upstream/4.22.0
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+.\" ========================================================================
+.\"
+.IX Title "EVP_RAND-HASH-DRBG 7SSL"
+.TH EVP_RAND-HASH-DRBG 7SSL "2023-10-23" "3.0.11" "OpenSSL"
+.\" For nroff, turn off justification. Always turn off hyphenation; it makes
+.\" way too many mistakes in technical documents.
+.if n .ad l
+.nh
+.SH "NAME"
+EVP_RAND\-HASH\-DRBG \- The HASH DRBG EVP_RAND implementation
+.SH "DESCRIPTION"
+.IX Header "DESCRIPTION"
+Support for the hash deterministic random bit generator through the
+\&\fB\s-1EVP_RAND\s0\fR \s-1API.\s0
+.SS "Identity"
+.IX Subsection "Identity"
+\&\*(L"HASH-DRBG\*(R" is the name for this implementation; it can be used with the
+\&\fBEVP_RAND_fetch()\fR function.
+.SS "Supported parameters"
+.IX Subsection "Supported parameters"
+The supported parameters are:
+.ie n .IP """state"" (\fB\s-1OSSL_RAND_PARAM_STATE\s0\fR) <integer>" 4
+.el .IP "``state'' (\fB\s-1OSSL_RAND_PARAM_STATE\s0\fR) <integer>" 4
+.IX Item "state (OSSL_RAND_PARAM_STATE) <integer>"
+.PD 0
+.ie n .IP """strength"" (\fB\s-1OSSL_RAND_PARAM_STRENGTH\s0\fR) <unsigned integer>" 4
+.el .IP "``strength'' (\fB\s-1OSSL_RAND_PARAM_STRENGTH\s0\fR) <unsigned integer>" 4
+.IX Item "strength (OSSL_RAND_PARAM_STRENGTH) <unsigned integer>"
+.ie n .IP """max_request"" (\fB\s-1OSSL_RAND_PARAM_MAX_REQUEST\s0\fR) <unsigned integer>" 4
+.el .IP "``max_request'' (\fB\s-1OSSL_RAND_PARAM_MAX_REQUEST\s0\fR) <unsigned integer>" 4
+.IX Item "max_request (OSSL_RAND_PARAM_MAX_REQUEST) <unsigned integer>"
+.ie n .IP """reseed_requests"" (\fB\s-1OSSL_DRBG_PARAM_RESEED_REQUESTS\s0\fR) <unsigned integer>" 4
+.el .IP "``reseed_requests'' (\fB\s-1OSSL_DRBG_PARAM_RESEED_REQUESTS\s0\fR) <unsigned integer>" 4
+.IX Item "reseed_requests (OSSL_DRBG_PARAM_RESEED_REQUESTS) <unsigned integer>"
+.ie n .IP """reseed_time_interval"" (\fB\s-1OSSL_DRBG_PARAM_RESEED_TIME_INTERVAL\s0\fR) <integer>" 4
+.el .IP "``reseed_time_interval'' (\fB\s-1OSSL_DRBG_PARAM_RESEED_TIME_INTERVAL\s0\fR) <integer>" 4
+.IX Item "reseed_time_interval (OSSL_DRBG_PARAM_RESEED_TIME_INTERVAL) <integer>"
+.ie n .IP """min_entropylen"" (\fB\s-1OSSL_DRBG_PARAM_MIN_ENTROPYLEN\s0\fR) <unsigned integer>" 4
+.el .IP "``min_entropylen'' (\fB\s-1OSSL_DRBG_PARAM_MIN_ENTROPYLEN\s0\fR) <unsigned integer>" 4
+.IX Item "min_entropylen (OSSL_DRBG_PARAM_MIN_ENTROPYLEN) <unsigned integer>"
+.ie n .IP """max_entropylen"" (\fB\s-1OSSL_DRBG_PARAM_MAX_ENTROPYLEN\s0\fR) <unsigned integer>" 4
+.el .IP "``max_entropylen'' (\fB\s-1OSSL_DRBG_PARAM_MAX_ENTROPYLEN\s0\fR) <unsigned integer>" 4
+.IX Item "max_entropylen (OSSL_DRBG_PARAM_MAX_ENTROPYLEN) <unsigned integer>"
+.ie n .IP """min_noncelen"" (\fB\s-1OSSL_DRBG_PARAM_MIN_NONCELEN\s0\fR) <unsigned integer>" 4
+.el .IP "``min_noncelen'' (\fB\s-1OSSL_DRBG_PARAM_MIN_NONCELEN\s0\fR) <unsigned integer>" 4
+.IX Item "min_noncelen (OSSL_DRBG_PARAM_MIN_NONCELEN) <unsigned integer>"
+.ie n .IP """max_noncelen"" (\fB\s-1OSSL_DRBG_PARAM_MAX_NONCELEN\s0\fR) <unsigned integer>" 4
+.el .IP "``max_noncelen'' (\fB\s-1OSSL_DRBG_PARAM_MAX_NONCELEN\s0\fR) <unsigned integer>" 4
+.IX Item "max_noncelen (OSSL_DRBG_PARAM_MAX_NONCELEN) <unsigned integer>"
+.ie n .IP """max_perslen"" (\fB\s-1OSSL_DRBG_PARAM_MAX_PERSLEN\s0\fR) <unsigned integer>" 4
+.el .IP "``max_perslen'' (\fB\s-1OSSL_DRBG_PARAM_MAX_PERSLEN\s0\fR) <unsigned integer>" 4
+.IX Item "max_perslen (OSSL_DRBG_PARAM_MAX_PERSLEN) <unsigned integer>"
+.ie n .IP """max_adinlen"" (\fB\s-1OSSL_DRBG_PARAM_MAX_ADINLEN\s0\fR) <unsigned integer>" 4
+.el .IP "``max_adinlen'' (\fB\s-1OSSL_DRBG_PARAM_MAX_ADINLEN\s0\fR) <unsigned integer>" 4
+.IX Item "max_adinlen (OSSL_DRBG_PARAM_MAX_ADINLEN) <unsigned integer>"
+.ie n .IP """reseed_counter"" (\fB\s-1OSSL_DRBG_PARAM_RESEED_COUNTER\s0\fR) <unsigned integer>" 4
+.el .IP "``reseed_counter'' (\fB\s-1OSSL_DRBG_PARAM_RESEED_COUNTER\s0\fR) <unsigned integer>" 4
+.IX Item "reseed_counter (OSSL_DRBG_PARAM_RESEED_COUNTER) <unsigned integer>"
+.ie n .IP """properties"" (\fB\s-1OSSL_DRBG_PARAM_PROPERTIES\s0\fR) <\s-1UTF8\s0 string>" 4
+.el .IP "``properties'' (\fB\s-1OSSL_DRBG_PARAM_PROPERTIES\s0\fR) <\s-1UTF8\s0 string>" 4
+.IX Item "properties (OSSL_DRBG_PARAM_PROPERTIES) <UTF8 string>"
+.ie n .IP """digest"" (\fB\s-1OSSL_DRBG_PARAM_DIGEST\s0\fR) <\s-1UTF8\s0 string>" 4
+.el .IP "``digest'' (\fB\s-1OSSL_DRBG_PARAM_DIGEST\s0\fR) <\s-1UTF8\s0 string>" 4
+.IX Item "digest (OSSL_DRBG_PARAM_DIGEST) <UTF8 string>"
+.PD
+These parameters work as described in \*(L"\s-1PARAMETERS\*(R"\s0 in \s-1\fBEVP_RAND\s0\fR\|(3).
+.SH "NOTES"
+.IX Header "NOTES"
+A context for \s-1HASH DRBG\s0 can be obtained by calling:
+.PP
+.Vb 2
+\& EVP_RAND *rand = EVP_RAND_fetch(NULL, "HASH\-DRBG", NULL);
+\& EVP_RAND_CTX *rctx = EVP_RAND_CTX_new(rand);
+.Ve
+.SH "EXAMPLES"
+.IX Header "EXAMPLES"
+.Vb 5
+\& EVP_RAND *rand;
+\& EVP_RAND_CTX *rctx;
+\& unsigned char bytes[100];
+\& OSSL_PARAM params[2], *p = params;
+\& unsigned int strength = 128;
+\&
+\& rand = EVP_RAND_fetch(NULL, "HASH\-DRBG", NULL);
+\& rctx = EVP_RAND_CTX_new(rand, NULL);
+\& EVP_RAND_free(rand);
+\&
+\& *p++ = OSSL_PARAM_construct_utf8_string(OSSL_DRBG_PARAM_DIGEST, SN_sha512, 0);
+\& *p = OSSL_PARAM_construct_end();
+\& EVP_RAND_instantiate(rctx, strength, 0, NULL, 0, params);
+\&
+\& EVP_RAND_generate(rctx, bytes, sizeof(bytes), strength, 0, NULL, 0);
+\&
+\& EVP_RAND_CTX_free(rctx);
+.Ve
+.SH "CONFORMING TO"
+.IX Header "CONFORMING TO"
+\&\s-1NIST SP 800\-90A\s0 and \s-1SP 800\-90B\s0
+.SH "SEE ALSO"
+.IX Header "SEE ALSO"
+\&\s-1\fBEVP_RAND\s0\fR\|(3),
+\&\*(L"\s-1PARAMETERS\*(R"\s0 in \s-1\fBEVP_RAND\s0\fR\|(3)
+.SH "COPYRIGHT"
+.IX Header "COPYRIGHT"
+Copyright 2020\-2021 The OpenSSL Project Authors. All Rights Reserved.
+.PP
+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>.