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package salticidae

// #include <stdlib.h>
// #include "salticidae/crypto.h"
import "C"
import "runtime"

// The C pointer type for a X509 handle.
type CX509 = *C.x509_t
type x509 struct { inner CX509 }
// The handle for a X509 certificate.
type X509 = *x509

func NewX509FromPemFile(fname string, passwd *string, err *Error) X509 {
    fname_c_str := C.CString(fname)
    passwd_c_str := (*C.char)(nil)
    if passwd != nil {
        passwd_c_str = C.CString(*passwd)
    }
    res := &x509{ inner: C.x509_new_from_pem_file(fname_c_str, passwd_c_str, err) }
    if res != nil {
        runtime.SetFinalizer(res, func(self X509) { self.free() })
    }
    C.free(rawptr_t(fname_c_str))
    if passwd_c_str != nil {
        C.free(rawptr_t(passwd_c_str))
    }
    return res
}

func NewX509FromDer(der ByteArray, err *Error) X509 {
    res := &x509{ inner: C.x509_new_from_der(der.inner, err) }
    if res != nil {
        runtime.SetFinalizer(res, func(self X509) { self.free() })
    }
    return res
}

func (self X509) free() { C.x509_free(self.inner) }
func (self X509) GetPubKey() PKey {
    res := &pKey{ inner: C.x509_get_pubkey(self.inner) }
    runtime.SetFinalizer(res, func(self PKey) { self.free() })
    return res
}

func (self X509) GetDer() ByteArray {
    res := &byteArray{ inner: C.x509_get_der(self.inner) }
    runtime.SetFinalizer(res, func(self ByteArray) { self.free() })
    return res
}

// The C pointer type for a PKey handle.
type CPKey = *C.pkey_t
type pKey struct { inner CPKey }
// The handle for an OpenSSL EVP_PKEY.
type PKey = *pKey

func NewPrivKeyFromPemFile(fname string, passwd *string, err *Error) PKey {
    fname_c_str := C.CString(fname)
    passwd_c_str := (*C.char)(nil)
    if passwd != nil {
        passwd_c_str = C.CString(*passwd)
    }
    res := &pKey{ inner: C.pkey_new_privkey_from_pem_file(fname_c_str, passwd_c_str, err) }
    if res != nil {
        runtime.SetFinalizer(res, func(self PKey) { self.free() })
    }
    C.free(rawptr_t(fname_c_str))
    if passwd_c_str != nil {
        C.free(rawptr_t(passwd_c_str))
    }
    return res
}

func NewPrivKeyFromDer(der ByteArray, err *Error) PKey {
    res := &pKey{ inner: C.pkey_new_privkey_from_der(der.inner, err) }
    if res != nil {
        runtime.SetFinalizer(res, func(self PKey) { self.free() })
    }
    return res
}

func (self PKey) free() { C.pkey_free(self.inner) }
func (self PKey) GetPubKeyDer() ByteArray {
    res := &byteArray{ inner: C.pkey_get_pubkey_der(self.inner) }
    runtime.SetFinalizer(res, func(self ByteArray) { self.free() })
    return res
}

func (self PKey) GetPrivKeyDer() ByteArray {
    res := &byteArray{ inner: C.pkey_get_privkey_der(self.inner) }
    runtime.SetFinalizer(res, func(self ByteArray) { self.free() })
    return res
}