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Apr
13
comment Perfect Forward Secrecy in TLS
If DH-RSA is static DH & it has certs with DH public keys - then were does the RSA come in in DH-RSA?
Apr
13
comment Perfect Forward Secrecy in TLS
So HTTPS with DHE-RSA means 1) One message is signed with RSA to prove authenticity of the website 2) the session key is derived using DH 3) rest of the communication is encrypted using the session key.
Apr
13
comment Perfect Forward Secrecy in TLS
@Alex - en.wikipedia.org/wiki/Diffie%E2%80%93Hellman_key_exchange OR crypto.stackexchange.com/questions/8933/…
Sep
6
comment What are the advantages of TOTP over HOTP?
@JaderDias - Neither of the algorithms need an internet connection
Aug
6
comment How secure would this code be against cryptanalysis?
How is the decryption happening?
Jul
16
comment why public key cryptography (RSA) is use in sites like Google, facebook (what is the need to ecode data in these sites)?
Why is this tagged post-quantum-cryptography
Jul
16
comment why public key cryptography (RSA) is use in sites like Google, facebook (what is the need to ecode data in these sites)?
When you go to google.com - it seems to redirect it to google.com - I think OP is referring to that. - ghacks.net/2011/10/23/…
Jul
16
comment What does the cipher-text overhead means?
@habillqabill I have updated my answer - see if that answers your question or am I misunderstanding it.
Jul
15
comment Creating a PKCS#12 file where public key doesn't match the private key
I am not sure if I have any friendly name. I create the keys and cert in PEM format using openssl. Then using openssl pkcs12 -export, I create a PKCS#12 file combining the keys and the cert. However, since PKCS#12 is a standard - I don't think it should should matter how the file is create.
Jul
15
comment Creating a PKCS#12 file where public key doesn't match the private key
How do I delete the certificate entry? When I import my p12 file - I see 1 entry in the main window. When I right click & chose delete - I think it deletes the private key and not the certificate from the p12 file.
Jul
12
comment Creating a PKCS#12 file where public key doesn't match the private key
Import your keystore.p12 store - I don't have any store. I have a certificate+privatekey file in pkcs#12 format. Is portacle still relevant? Or do I have to first take my p12 file and put it into a java store & then do the portacle operations?
Jul
10
comment Creating a PKCS#12 file where public key doesn't match the private key
@owlstead - test case would be to make sure that ownership of corresponding private key is verified.
May
15
comment Does encrypting twice using the same block cipher produce a security weakness?
If Brute Force takes twice as long, doesn't that automatically improve security?