Collaborate Disseminate
I’ve followed the instructions here in a first attempt to test the authenticity of two sideloaded APKs of the VR SecureGo Plus banking app using keytool and jarsigner under Windows. The APK sources are APKSOS and APMCOMBO.
This app require… Continue reading Authenticity of VR SecureGo Plus banking app [migrated]
China’s certainly watching Russia’s missteps in cyberspace, as well as the U.S. response.
The post The Ukraine war could provide a cyberwarfare manual for Chinese generals eyeing Taiwan appeared first on CyberScoop.
I came across this scenario recently and would like to understand if there are any practical attacks against this implementation.
An RSA private key is used to "encrypt" data. The public key is included in a software component di… Continue reading Are there any practical weaknesses in RSA where the private key is used to encrypt a message (signing), without padding? [migrated]
I’m writing a function where this function is receiving my public key as variable, and the value for this variable is the actually public key.
Example: string publicKey = "MMMFisIDUDHfhHSANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAi7ZOKtc55… Continue reading Public and Private Key as variables C# using Bouncy Castle
I have few doubts about PGP and RSA. I am really new about all this encryption stuff.
I understand that PGP uses RSA keys, right? And the keys generated by RSA is something like this(public and private):
< RSAKeyValue>
< Modulus&g… Continue reading What is PGP and RSA
First asked on StackOverflow and referred to this board, here:
I have an embedded system (Netburner 5441x) that encodes public-private RSA keypairs into devices. I have ported OpenSSL into the system but the embedded processor cannot make … Continue reading What is the right way to transfer public-private keypairs over intranet?
I’ve been a member of the RSAC Program Committee for many years, but it still astounds me how many “hidden gems” and free hands-on labs are scattered throughout the agenda. Plus, learn more about supporting students and Team Rubicon.
MORE > Click t… Continue reading Free Hands-On Hacking, Labs, and Other Hidden Gems of RSAC
Here is the scenario, just wanted confirmation that I am understanding it correctly.
I have a TLS certificate that will expire soon;
Upon renewal, I paid the CA, and they reissued me with a new public key (AKA certificate), which has a new… Continue reading When renewing a TLS certificate (no change to CSR nor private key), will the modulus remain the same?
I have seen that for RSA2K the hash function SHA-256 has been used.
Now my question is if I want to use RSA3K, should I change the size of the hash function for example from SHA-256 to SHA-384? Is there a relationship that one needs to con… Continue reading Is there a relationship between the size of RSA key and size of hash function?
I’m totally lost with is standard RSASSA-PKCS1-v1_5.
I have commands that signs document and checks signature below.
openssl dgst -sha256 -sign private-key.pem -out aaa.txt.sha256 aaa.txt
openssl dgst -sha256 -verify public-key.pem -signa… Continue reading Sign according RSASSA-PKCS1-v1_5 standard