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Results tagged with hmac
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user 2358
HMAC is a method for constructing a message authentication code based on a cryptographic hash function.
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What do the magic numbers 0x5c and 0x36 in the opad/ipad calc in HMAC do?
Wikipedia lists the following pseudocode for HMAC:
function hmac (key, message)
if (length(key) > blocksize) then
key = hash(key) // keys longer than blocksize are shortened
end if …
- 617