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instance method

OpenSSL::PKey::EC#generate_key!

key.generate_key! => self

ext/openssl/ossl_pkey_ec.c View on GitHub ↗

static VALUE ossl_ec_key_generate_key(VALUE self)
{
#if OSSL_OPENSSL_PREREQ(3, 0, 0)
    rb_raise(ePKeyError, "pkeys are immutable on OpenSSL 3.0");
#else
    EC_KEY *ec;

    GetEC(self, ec);
    if (EC_KEY_generate_key(ec) != 1)
        ossl_raise(eECError, "EC_KEY_generate_key");

    return self;
#endif
}

Generates a new random private and public key.

See also the OpenSSL documentation for EC_KEY_generate_key()

Example

ec = OpenSSL::PKey::EC.new("prime256v1")
p ec.private_key # => nil
ec.generate_key!
p ec.private_key # => #<OpenSSL::BN XXXXXX>

See also #generate_key #group #export #group= also in 4.1 · 4.0 · 3.4 · 3.3 · 3.1 · 3.0

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