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.\" ========================================================================
.\"
.IX Title "EVP_ASYM_CIPHER-RSA 7ossl"
.TH EVP_ASYM_CIPHER-RSA 7ossl "2024-09-03" "3.1.7+quic" "OpenSSL"
.\" For nroff, turn off justification. Always turn off hyphenation; it makes
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.nh
.SH "NAME"
EVP_ASYM_CIPHER\-RSA
\&\- RSA Asymmetric Cipher algorithm support
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
Asymmetric Cipher support for the \fB\s-1RSA\s0\fR key type.
.SS "\s-1RSA\s0 Asymmetric Cipher parameters"
.IX Subsection "RSA Asymmetric Cipher parameters"
.ie n .IP """pad-mode"" (\fB\s-1OSSL_ASYM_CIPHER_PARAM_PAD_MODE\s0\fR) <\s-1UTF8\s0 string>" 4
.el .IP "``pad-mode'' (\fB\s-1OSSL_ASYM_CIPHER_PARAM_PAD_MODE\s0\fR) <\s-1UTF8\s0 string>" 4
.IX Item "pad-mode (OSSL_ASYM_CIPHER_PARAM_PAD_MODE) <UTF8 string>"
The default provider understands these \s-1RSA\s0 padding modes in string form:
.RS 4
.ie n .IP """none"" (\fB\s-1OSSL_PKEY_RSA_PAD_MODE_NONE\s0\fR)" 4
.el .IP "``none'' (\fB\s-1OSSL_PKEY_RSA_PAD_MODE_NONE\s0\fR)" 4
.IX Item "none (OSSL_PKEY_RSA_PAD_MODE_NONE)"
.PD 0
.ie n .IP """oaep"" (\fB\s-1OSSL_PKEY_RSA_PAD_MODE_OAEP\s0\fR)" 4
.el .IP "``oaep'' (\fB\s-1OSSL_PKEY_RSA_PAD_MODE_OAEP\s0\fR)" 4
.IX Item "oaep (OSSL_PKEY_RSA_PAD_MODE_OAEP)"
.ie n .IP """pkcs1"" (\fB\s-1OSSL_PKEY_RSA_PAD_MODE_PKCSV15\s0\fR)" 4
.el .IP "``pkcs1'' (\fB\s-1OSSL_PKEY_RSA_PAD_MODE_PKCSV15\s0\fR)" 4
.IX Item "pkcs1 (OSSL_PKEY_RSA_PAD_MODE_PKCSV15)"
.ie n .IP """x931"" (\fB\s-1OSSL_PKEY_RSA_PAD_MODE_X931\s0\fR)" 4
.el .IP "``x931'' (\fB\s-1OSSL_PKEY_RSA_PAD_MODE_X931\s0\fR)" 4
.IX Item "x931 (OSSL_PKEY_RSA_PAD_MODE_X931)"
.RE
.RS 4
.RE
.ie n .IP """pad-mode"" (\fB\s-1OSSL_ASYM_CIPHER_PARAM_PAD_MODE\s0\fR) <integer>" 4
.el .IP "``pad-mode'' (\fB\s-1OSSL_ASYM_CIPHER_PARAM_PAD_MODE\s0\fR) <integer>" 4
.IX Item "pad-mode (OSSL_ASYM_CIPHER_PARAM_PAD_MODE) <integer>"
.PD
The default provider understands these \s-1RSA\s0 padding modes in integer form:
.RS 4
.IP "1 (\fB\s-1RSA_PKCS1_PADDING\s0\fR)" 4
.IX Item "1 (RSA_PKCS1_PADDING)"
.PD 0
.IP "3 (\fB\s-1RSA_NO_PADDING\s0\fR)" 4
.IX Item "3 (RSA_NO_PADDING)"
.IP "4 (\fB\s-1RSA_PKCS1_OAEP_PADDING\s0\fR)" 4
.IX Item "4 (RSA_PKCS1_OAEP_PADDING)"
.IP "5 (\fB\s-1RSA_X931_PADDING\s0\fR)" 4
.IX Item "5 (RSA_X931_PADDING)"
.RE
.RS 4
.PD
.Sp
See \fBEVP_PKEY_CTX_set_rsa_padding\fR\|(3) for further details.
.RE
.ie n .IP """digest"" (\fB\s-1OSSL_ASYM_CIPHER_PARAM_OAEP_DIGEST\s0\fR) <\s-1UTF8\s0 string>" 4
.el .IP "``digest'' (\fB\s-1OSSL_ASYM_CIPHER_PARAM_OAEP_DIGEST\s0\fR) <\s-1UTF8\s0 string>" 4
.IX Item "digest (OSSL_ASYM_CIPHER_PARAM_OAEP_DIGEST) <UTF8 string>"
.PD 0
.ie n .IP """digest-props"" (\fB\s-1OSSL_ASYM_CIPHER_PARAM_OAEP_DIGEST_PROPS\s0\fR) <\s-1UTF8\s0 string>" 4
.el .IP "``digest-props'' (\fB\s-1OSSL_ASYM_CIPHER_PARAM_OAEP_DIGEST_PROPS\s0\fR) <\s-1UTF8\s0 string>" 4
.IX Item "digest-props (OSSL_ASYM_CIPHER_PARAM_OAEP_DIGEST_PROPS) <UTF8 string>"
.ie n .IP """mgf1\-digest"" (\fB\s-1OSSL_ASYM_CIPHER_PARAM_MGF1_DIGEST\s0\fR) <\s-1UTF8\s0 string>" 4
.el .IP "``mgf1\-digest'' (\fB\s-1OSSL_ASYM_CIPHER_PARAM_MGF1_DIGEST\s0\fR) <\s-1UTF8\s0 string>" 4
.IX Item "mgf1-digest (OSSL_ASYM_CIPHER_PARAM_MGF1_DIGEST) <UTF8 string>"
.ie n .IP """mgf1\-digest\-props"" (\fB\s-1OSSL_ASYM_CIPHER_PARAM_MGF1_DIGEST_PROPS\s0\fR) <\s-1UTF8\s0 string>" 4
.el .IP "``mgf1\-digest\-props'' (\fB\s-1OSSL_ASYM_CIPHER_PARAM_MGF1_DIGEST_PROPS\s0\fR) <\s-1UTF8\s0 string>" 4
.IX Item "mgf1-digest-props (OSSL_ASYM_CIPHER_PARAM_MGF1_DIGEST_PROPS) <UTF8 string>"
.ie n .IP """oaep-label"" (\fB\s-1OSSL_ASYM_CIPHER_PARAM_OAEP_LABEL\s0\fR) <octet string>" 4
.el .IP "``oaep-label'' (\fB\s-1OSSL_ASYM_CIPHER_PARAM_OAEP_LABEL\s0\fR) <octet string>" 4
.IX Item "oaep-label (OSSL_ASYM_CIPHER_PARAM_OAEP_LABEL) <octet string>"
.ie n .IP """tls-client-version"" (\fB\s-1OSSL_ASYM_CIPHER_PARAM_TLS_CLIENT_VERSION\s0\fR) <unsigned integer>" 4
.el .IP "``tls-client-version'' (\fB\s-1OSSL_ASYM_CIPHER_PARAM_TLS_CLIENT_VERSION\s0\fR) <unsigned integer>" 4
.IX Item "tls-client-version (OSSL_ASYM_CIPHER_PARAM_TLS_CLIENT_VERSION) <unsigned integer>"
.PD
See \fB\s-1RSA_PKCS1_WITH_TLS_PADDING\s0\fR on the page \fBEVP_PKEY_CTX_set_rsa_padding\fR\|(3).
.ie n .IP """tls-negotiated-version"" (\fB\s-1OSSL_ASYM_CIPHER_PARAM_TLS_CLIENT_VERSION\s0\fR) <unsigned integer>" 4
.el .IP "``tls-negotiated-version'' (\fB\s-1OSSL_ASYM_CIPHER_PARAM_TLS_CLIENT_VERSION\s0\fR) <unsigned integer>" 4
.IX Item "tls-negotiated-version (OSSL_ASYM_CIPHER_PARAM_TLS_CLIENT_VERSION) <unsigned integer>"
See \fB\s-1RSA_PKCS1_WITH_TLS_PADDING\s0\fR on the page \fBEVP_PKEY_CTX_set_rsa_padding\fR\|(3).
.Sp
See \*(L"Asymmetric Cipher Parameters\*(R" in \fBprovider\-asym_cipher\fR\|(7) for more information.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
\&\s-1\fBEVP_PKEY\-RSA\s0\fR\|(7),
\&\s-1\fBEVP_PKEY\s0\fR\|(3),
\&\fBprovider\-asym_cipher\fR\|(7),
\&\fBprovider\-keymgmt\fR\|(7),
\&\fBOSSL_PROVIDER\-default\fR\|(7)
\&\s-1\fBOSSL_PROVIDER\-FIPS\s0\fR\|(7)
.SH "COPYRIGHT"
.IX Header "COPYRIGHT"
Copyright 2022 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>.
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