Forums MyID knowledge base MY0302 Can you use 4096 bit keys with certificates?

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    MyID SupportMyID Support
    Keymaster

    Question:

    In certificate templates on the CA (Microsoft, for example) you can specify keys larger than 2048.  However, the Certificate Authorities workflow MyID only allows a maximum key length of 2048. Can MyID support larger key lengths than this?

    Answer:

    By default, the maximum key length that MyID supports is RSA 2048. The two main reasons for this are:

        • It takes longer to generate larger bit keys and certificate issuance performance may be impacted
        • Many physical smart cards and tokens supported by MyID do not support a key length of up to 4096 bits, due to storage limitations.

    MyID can support larger key sizes but investigation and implementation would be treated as a change request depending on your specific requirements.

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