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Microsoft to block keys less than 1024 bits in August software update | TechRepublic
Takeaway: This is your last chance to prepare for an August update from Microsoft that will reject cryptographic keys less than 1024 bits.
An important update from Microsoft is coming in August and for those who missed the announcement earlier this year, it could actually break a number of things for some businesses who haven’t already prepared for the change. The update will block anything using a cryptographic key that is less than 1024 bits. Here are some of the repercussions of the update for those who haven’t prepared in advance:
Error messages when browsing to web sites that have SSL certificates with keys that are less than 1024 bits
Problems enrolling for certificates when a certificate request attempts to utilize a key that is less than 1024 bits
Creating or consuming email (S/MIME) messages that utilize less than 1024 bit keys for signatures or encryption
Installing Active X controls that were signed with less than 1024 bit signatures
Installing applications that were signed with less than 1024 bit signatures (unless they were signed prior to January 1, 2010, which will not be blocked by default).
Takeaway: This is your last chance to prepare for an August update from Microsoft that will reject cryptographic keys less than 1024 bits.
An important update from Microsoft is coming in August and for those who missed the announcement earlier this year, it could actually break a number of things for some businesses who haven’t already prepared for the change. The update will block anything using a cryptographic key that is less than 1024 bits. Here are some of the repercussions of the update for those who haven’t prepared in advance:
Error messages when browsing to web sites that have SSL certificates with keys that are less than 1024 bits
Problems enrolling for certificates when a certificate request attempts to utilize a key that is less than 1024 bits
Creating or consuming email (S/MIME) messages that utilize less than 1024 bit keys for signatures or encryption
Installing Active X controls that were signed with less than 1024 bit signatures
Installing applications that were signed with less than 1024 bit signatures (unless they were signed prior to January 1, 2010, which will not be blocked by default).
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