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Maintenance Ruby 3.3 gets fixes, but no new features. Switch to Ruby 4.0 →

class method

OpenSSL::PKey::RSA.generate

RSA.generate(size, exponent = 65537) → RSA

Generates an RSA keypair.

See also OpenSSL::PKey.generate_key.

size

The desired key size in bits.

exponent

An odd Integer, normally 3, 17, or 65537.

See also .new #export also in 4.1 · 4.0 · 3.4 · 3.2 · 3.1 · 3.0