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Do I need to convert . CER to . CRT for Apache SSL certificates? If so . . . CER and CRT extensions mean nothing Different PKI vendors use different extensions for the same thing If the file is binary, then its probably ASN 1 DER encoded If the file is human readable with -----BEGIN CERTIFICATE-----, then its PEM encoded What do you have (DER or PEM), and what do you need (DER or PEM)?
How to fix a No process is on the other end of the pipe error in SQL . . . The server was set to Windows Authentication only by default There isn't any notification, that the origin of the errors is that, so it's hard to figure it out The SQL Management studio does not warn you, even if you create a user with SQL Authentication only So the answer is: Switch from Windows to SQL Authentication: Right click on the server name and select properties; Select security
What are the differences between . pem, . cer, and . der? 233 pem, cer and der are all file extensions for files that may contain a X 509 v3 certificate The der extension DER is the method of encoding the data that makes up the certificate DER itself could represent any kind of data, but usually it describes an encoded certificate or a CMS container
openssl - Convert RSA public key to RSA DER - Stack Overflow If you only have access to the public key generated by ssh-keygen, and want to convert it to DER format, the following works: ssh-keygen -f id_rsa pub -e -m PKCS8 | openssl pkey -pubin -outform DER This first uses ssh-keygen to convert the key to PKCS8 PEM format, then uses openssl pkey to convert that to DER format (This accomplishes the same thing as Jim Flood's answer, but without touching
How do I decode a DER encoded string in Java? - Stack Overflow 19 I'm trying to read a custom extension from a digital certificate I know the value is a GeneralString encoded in DER Is there an easy way to correctly decode it and get a Java String? I tried the following, but 's' includes some of the encoding metadata as junk characters at the start of the string
How can I validate that a certificate really is in DER format? I've been given a cer file with binary content of about 1 3 KB I'm told that it's in DER format, and my reading suggests that certificates with this extension are pretty much all either DER or base-64-encoded DER with a human-readable header, and this file does not have such a header However, I've been unable to open it to create a key
Use provided upload_cert. der to sign a release Android APK file The der file you uploaded to the Play Console (and that is also available for download in the App Signing page in the Play Console) does not contain the private key, it only contains the public key, so you won't be able to sign anything with it Only the keystore you created to generate your upload certificate contains the private key and must be used to sign your APKs (or App Bundles) In
How to get . pem file from . key and . crt files? - Stack Overflow Your keys may already be in PEM format, but just named with crt or key If the file's content begins with -----BEGIN and you can read it in a text editor: The file uses base64, which is readable in ASCII, not binary format The certificate is already in PEM format Just change the extension to pem If the file is in binary: For the server crt, you would use openssl x509 -inform DER -outform