• {string}

    For asymmetric keys, this property represents the type of the key. Supported key types are:

    • 'rsa' (OID 1.2.840.113549.1.1.1)
    • 'rsa-pss' (OID 1.2.840.113549.1.1.10)
    • 'dsa' (OID 1.2.840.10040.4.1)
    • 'ec' (OID 1.2.840.10045.2.1)
    • 'x25519' (OID 1.3.101.110)
    • 'x448' (OID 1.3.101.111)
    • 'ed25519' (OID 1.3.101.112)
    • 'ed448' (OID 1.3.101.113)
    • 'dh' (OID 1.2.840.113549.1.3.1)

    This property is undefined for unrecognized KeyObject types and symmetric keys.