RFC 2065:Domain Name System Security Extensions
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verification


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... be expanded to 255 labels. The following table gives some examples. The value of "labels" is at the top, the retrieved owner name on the left, and the table entry is the name to use in signature verification except that "bad" means the RR is corrupt. ...
... SIG, the zone MAY be considered valid without verification of the internal zone signed SIGs in the zone; however, any RRs authenticated ...
... Verification of the transaction SIG (which is signed by the server ...


... For most schemes, larger keys are more secure but slower. Given a small public exponent, verification (the most common operation) for the MD5/RSA algorithm ...
... 640 bit modulus to a 1280 bit modulus only increases the verification time by a factor of 4 but increases the work factor of breaking the key by over 2^900. An upper bound of 2552 bits ...



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