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

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    MyID Support


    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?


    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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