Re: DH keyset

2001-10-25 Thread Haig C Didizian
Har har. ;) What takes everything so long to be set up then if I use a 512-bit key? Is it the prime number? h On Thu, 2001-10-25 at 23:16, Michael Sierchio wrote: Haig C Didizian wrote: Does anyone happen to know how many more 512-bit DH keys there are than 256-bit keys, for example? I

DH and key space question

2001-07-31 Thread Haig C Didizian
Hello, I was just wondering if using DH for key negociation (say, to generate a 128 bit blowfish key) reduces the number of potential keys in a way that significantly affects security. How much less safe is using a DH key as a blowfish key than using a random string, for example? Thanks, Haig

RE: EVP initialization question

2001-07-24 Thread Haig C Didizian
Thanks for your reply. So, does EVP_CIPHER_CTX_cleanup free the context's memory as well as clearing it, or is that left to me? I can't seem to find that in the man pages... Thanks again, Haig On 24 Jul 2001 12:36:22 +0100, Dale Peakall wrote: I guess I'm unclear about whether a context is

EVP initialization question

2001-07-23 Thread Haig C Didizian
Hi there, Sorry if this has been covered before... I'm working on some software that needs to encrypt messages between two parties. I'm using OpenSSL's EVP functions, and I'm wondering if I need to use EVP_Encrypt/DecryptInit and EVP_CIPHER_CTX_cleanup for each message that I encrypt. I guess