RE: question about max length string to encrypt with rsa 2048

2010-07-11 Thread David Schwartz
Chuck Pareto wrote: > My group is using RSA with a key thats 2048 in size. > We want to encrypt strings that are longer then this > key size gives. > If we switch to a key that is 4096 what is the max > string length we can encrypt? is it double? No, no! You are doing this all wrong! RSA is an

Re: question about max length string to encrypt with rsa 2048

2010-07-10 Thread Jeffrey Walton
> "Handbook of Applied Cryptography" ("HAC") > ... but the principles stated in those books are > still valid and worth knowing. Section 9.6 of the HAC is no longer applicable, and should be considered wrong (worth mentioning since its not a typo or other errata, and it applies to the entire sec

Re: question about max length string to encrypt with rsa 2048

2010-07-09 Thread Jakob Bohm
On 09-07-2010 03:31, Chuck Pareto wrote: My group is using RSA with a key thats 2048 in size. We want to encrypt strings that are longer then this key size gives. If we switch to a key that is 4096 what is the max string length we can encrypt? is it double? You normally don't encrypt data direc

question about max length string to encrypt with rsa 2048

2010-07-08 Thread Chuck Pareto
My group is using RSA with a key thats 2048 in size. We want to encrypt strings that are longer then this key size gives. If we switch to a key that is 4096 what is the max string length we can encrypt? is it double?