mirror of
https://github.com/libp2p/go-openssl.git
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40 lines
647 B
Go
40 lines
647 B
Go
// Copyright (C) 2014 Space Monkey, Inc.
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// +build cgo
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package openssl
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/*
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#include "openssl/engine.h"
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*/
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import "C"
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import (
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"fmt"
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"runtime"
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"unsafe"
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)
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type Engine struct {
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e *C.ENGINE
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}
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func EngineById(name string) (*Engine, error) {
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cname := C.CString(name)
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defer C.free(unsafe.Pointer(cname))
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e := &Engine{
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e: C.ENGINE_by_id(cname),
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}
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if e.e == nil {
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return nil, fmt.Errorf("engine %s missing", name)
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}
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if C.ENGINE_init(e.e) == 0 {
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C.ENGINE_free(e.e)
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return nil, fmt.Errorf("engine %s not initialized", name)
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}
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runtime.SetFinalizer(e, func(e *Engine) {
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C.ENGINE_finish(e.e)
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C.ENGINE_free(e.e)
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})
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return e, nil
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}
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