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Results tagged with hmac
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user 18325
HMAC is a method for constructing a message authentication code based on a cryptographic hash function.
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How many times can a key be used for HMAC-SHA256 before it needs to be rotated?
There is no known inherent weakness in HMAC-SHA256 that requires key rotation for a suitably secret key. … However, other aspects of the system in which you are using HMAC-SHA256 may make key rotation necessary. …
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