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Force use of TLS 1.3 in OpenSSL demos #1919

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Force use of TLS 1.3 in OpenSSL demos #1919

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11 changes: 11 additions & 0 deletions platform/posix/transport/src/openssl_posix.c
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Original file line number Diff line number Diff line change
Expand Up @@ -631,6 +631,17 @@ OpensslStatus_t Openssl_Connect( NetworkContext_t * pNetworkContext,
}
}

/* Set minimum TLS version. */
if( returnStatus == OPENSSL_SUCCESS )
{
int ret = SSL_CTX_set_min_proto_version( pSslContext, TLS1_3_VERSION );
if( ret != 1 )
{
LogError( ( "Failed to set minimum TLS version to 1.3." ) );
returnStatus = OPENSSL_API_ERROR;
}
}

/* Setup credentials. */
if( returnStatus == OPENSSL_SUCCESS )
{
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