Collaborate Disseminate
Different companies seek permission to start and run, from our organization. I am approval or permission-giving authority. I am having an inspector who goes to different places and visits companies and does inspection. Depending upon the c… Continue reading Deciding the kind of key required for implementation of monitoring software
I am trying to parse the signature algorithm off a certificate using Openssl’s APIs. Currently I am using the X509_get_signature_info function to get the hash/digest nid and the pkey nid. However, these nids seem to be exclusive to Openssl… Continue reading Openssl NID to IANA value
In a recent attack to INTEL-SA-00086, the researchers are able to extract the secret key that encrypts updates to various Intel CPUs.
In the arstechnica blog it is mentioned as
The key may also allow parties other than Intel—say a malicio… Continue reading INTEL-SA-00086 extracting the secret key used to encrypt Intel CPU code: is the digital signature bypassed?
I have been using a YubiKey 4 to sign git commits for a few years on Ubuntu.
I am setting up a new Windows10 machine and want to use the same signing key from Windows; however I cannot seem to point gpg at the YubiKey private signing key.
… Continue reading New Win10 and Old YubiKey4; trying to configure GPG Sign for existing key
There is a small confusion related to CA certificate and Local certificate. I had asked a similar question before. This time, its a little specific.
For authentication using PKI, below are the steps.
–> Get the CA certificate and load … Continue reading Certificates(CA certificate and EE/Local certiificate)
HTTP
I’m aware that HTTP sends plain text over the network which can be sniffed and modified if a MITM is performed.
HTTPS
On the other hand, HTTPS sends encrypted text over the network that can neither be sniffed nor modified.
Other?
I’m … Continue reading Is there a protocol that provides data integrity, but not encryption for HTTP?
We are developing an android app marketplace platform for connected lighting. 3rd party developer use our SDK to write android app and submit it in the portal and the end-user downloads the app and install it on his mobile.
Here to maintai… Continue reading APK file code signing -managing keys
In the Aws scheme of signing a http request with HMAC-SHA Signature you must use a secret key. When wanting to allow access to your API from a third party ,do you have to share the secret key with them too? If yes,how do you distribute the… Continue reading AWS hmac requires the distribution of secret key? [closed]
I know encrypting something with my private key is used for signing. To prove that the message is indeed coming from me.
But what about if I sign something with my public key? That would mean that only I could decrypt it with my private ke… Continue reading What happens when I encrypt something with my RSA Public Key?
Alice just sent a message to Bob, but prior to that she had already sent the very same message. How can Bob prove that?