Using one key for Encryption and HMAC

Posted by Vladimir on Stack Overflow See other posts from Stack Overflow or by Vladimir
Published on 2010-03-23T15:34:06Z Indexed on 2010/03/24 0:43 UTC
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Filed under:

hmac

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cbc-mac

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cryptography

|

key

Hello,

I am wondering whether I can use a shared secret key established between two clients as the HMAC key too.

I saw that there is a problem when it is used as a CBC-MAC but I haven't found any evidence it is bad practice for HMACs.

Thanks, Vladimir

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Developer IT

Using one key for Encryption and HMAC - Developer IT

Using one key for Encryption and HMAC

hmac

cbc-mac

cryptography

key

Related posts about hmac

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Using one key for Encryption and HMAC

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Using one key for Encryption and HMAC

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