> From: openssl-users <openssl-users-bounces@xxxxxxxxxxx> On Behalf Of Job Cacka > Sent: Thursday, 1 June, 2023 09:01 > Intentionally repeating characters in a hash is a great way to provide the hash to be broken. "great" here is a rather bold claim. If repeating a few characters in the Subject DN makes any appreciable difference in the work factor for a second-preimage attack on your certificate signatures, you have much bigger problems. > As I recall there is something about repeating a character more than 3 times consecutively > that decreases the effectiveness of the hash. Citation needed. -- Michael Wojcik