You can put anything into the public exponent without weakening the modulus. Some time ago, it was popular to do it in a way that the base64 representation displays a message. This should also be possible with malicious bitstreams.
Regarding the key posted by Hanno: My intuition tells me that if the product of two primes has a weak pattern like that, then it means that each of the prime factors probably has an even weaker pattern. (Or it is not a product of two primes in the first place, which makes it even weaker.) However, I did not test that hypothesis. Regards Stephan -- You received this message because you are subscribed to the Google Groups "[email protected]" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/a/mozilla.org/d/msgid/dev-security-policy/17dfe47231a05e27a3fa538c76764af064af5b96.camel%40posteo.de.
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