method

to_der

v1_9_3_392 - Show latest stable - 0 notes - Class: DH

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to_der() public

Encodes this DH to its DER encoding. Note that any existing per-session public/private keys will not get encoded, just the Diffie-Hellman parameters will be encoded.

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static VALUE
ossl_dh_to_der(VALUE self)
{
    EVP_PKEY *pkey;
    unsigned char *p;
    long len;
    VALUE str;

    GetPKeyDH(self, pkey);
    if((len = i2d_DHparams(pkey->pkey.dh, NULL)) <= 0)
        ossl_raise(eDHError, NULL);
    str = rb_str_new(0, len);
    p = (unsigned char *)RSTRING_PTR(str);
    if(i2d_DHparams(pkey->pkey.dh, &p) < 0)
        ossl_raise(eDHError, NULL);
    ossl_str_adjust(str, p);

    return str;
}

to_der

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