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.IX Title "EVP_CIPHER-CHACHA 7SSL"
.TH EVP_CIPHER-CHACHA 7SSL 2026-08-18 3.0.13 OpenSSL
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.SH NAME
EVP_CIPHER\-CHACHA \- The CHACHA EVP_CIPHER implementations
.SH DESCRIPTION
.IX Header "DESCRIPTION"
Support for CHACHA symmetric encryption using the \fBEVP_CIPHER\fR API.
.SS "Algorithm Names"
.IX Subsection "Algorithm Names"
The following algorithms are available in the default provider:
.IP """ChaCha20""" 4
.IX Item """ChaCha20"""
.PD 0
.IP """ChaCha20\-Poly1305""" 4
.IX Item """ChaCha20-Poly1305"""
.PD
.SS Parameters
.IX Subsection "Parameters"
This implementation supports the parameters described in
"PARAMETERS" in \fBEVP_EncryptInit\fR\|(3).
.SH "SEE ALSO"
.IX Header "SEE ALSO"
\&\fBprovider\-cipher\fR\|(7), \fBOSSL_PROVIDER\-default\fR\|(7)
.SH COPYRIGHT
.IX Header "COPYRIGHT"
Copyright 2021 The OpenSSL Project Authors. All Rights Reserved.
.PP
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>.
