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Changes Specified by 00 Draft Draft standardized added HMAC algorithm FQDN syntax “TLDs” for all SHAs as follows: SHA1., SHA224., SHA256., SHA384., and SHA512. Defined how to specify truncation with a short MAC size TSIG field. Recommended implementation of SHA1 and 96 bit truncated SHA1, other new algorithms optional, HMAC-MD5 remained the only mandatory algorithm. |