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"openssl req -newkey ..." - Generate Key and CSR
This section describes the 'openssl req -newkey ...' command, which allows you to generate a private/public key pair and a CSR in a single step.
2024-11-27, ∼135🔥, 0💬

"openssl req -new" - Generate CSR from Key
This section describes the 'openssl req -new' command, which allows you to generate a CSR (Certificate Signing Request) from a given private/public key pair.
2024-11-27, ∼134🔥, 0💬

"openssl x509 -CA ..." - CA Signing Certificate
This section describes the 'openssl req -x509' command, which allows you to generate self-signed certificate from a CSR, an existing key pair, or an internally generated key pair.
2024-11-27, ∼134🔥, 0💬

End Entity Certificate Example
This section provides an end entity certificate example and explanations of its data fileds.
2024-11-27, ∼133🔥, 0💬

Create Web Server Certificate
This section provides a tutorial example on how to Web server certificate with required x509v3 extensions, including 'subjectAltName' to cover multiple domain names and/or IP addresses.
2024-11-27, ∼132🔥, 0💬

What Is DER (Distinguished Encoding Rules)
This section introduces the DER (Distinguished Encoding Rules) defined in the ASN.1 standard. It is a restricted version of BER (Basic Encoding Rules) to ensure unique encoding output.
2024-11-27, ∼131🔥, 0💬

ASN.1 Type Modifier - Type Tagging
This section provides a quick introduction of ASN.1 type modifiers. Specifying a type modifier is alao called type tagging, which allows you to define your type tags to resolve ambiguity issues in BER encoding.
2024-11-27, ∼130🔥, 0💬

Use "openssl ca" as Intermediate CA
This section provides a tutorial example on how to use the 'openssl ca' command as Intermediate CA to sign a CSR (Certificate Signing Request) into a certificate using a given section in openssl.cnf.
2024-11-27, ∼130🔥, 0💬

"openssl req" - CSR (Certificate Signing Request)
This section describes the 'openssl req' command, which generates a CSR (Certificate Signing Request) or a self-signed certificate.
2024-11-27, ∼129🔥, 0💬

What Is PKI Certificate
This section describes what is PKI certificate and what are basic data fields included in a PKI certificate.
2024-11-27, ∼128🔥, 0💬

PKI Certificate in PEM Format
This section describes the PEM (Privacy Enhanced Mail) file format to store PKI certificates.
2024-11-27, ∼128🔥, 0💬

What Is Linux Truststore
This section describes what is Linux Truststore - a database integrated in most Linux systems to store trusted root certificates.
2024-11-27, ∼128🔥, 0💬

"keytool -genkeypair" - Certificate and Key Bundle
This section provides a tutorial example on how to create a PKCS12 bundle to store a self-signed certificate and its private/public key pair using the 'keytool -genkeypair' command.
2024-11-27, ∼128🔥, 0💬

"keytool -gencert" - Sign CSR with CA certificate
This section provides a tutorial example on how to use the 'keytool -gencert' command to sign a CSR with a self-signed root CA certificate and its private/public key pair.
2024-11-27, ∼128🔥, 0💬

What Is OpenSSL
This section describes what is OpenSSL - a cryptography toolkit implementing SSL/TLS protocols and related cryptography standards.
2024-11-27, ∼127🔥, 0💬

What Is "openssl" Command
This section describes the 'openssl' command, which invokes the OpenSSL CLI to access OpenSSL functions.
2024-11-27, ∼127🔥, 0💬

Intermedate CA Certificate Example
This section provides an intermediate CA certificate example and explanations of its data fileds.
2024-11-27, ∼126🔥, 0💬

What Is macOS KeyChain
This section describes what is macOS Keychain - a database integrated in a macOS operating system to store passwords, private/public keys and certificates.
2024-11-27, ∼126🔥, 0💬

PKCS7 Certificate Chain File
This chapter provides a quick introduction of the PKCS7 certificate chain file. Topics include introduction of PKCS7 file format; creating PKCS7 file with a single certificate or a certificate chain, and converting PKCS12 file to PEM bundle using OpenSSL.
2024-11-27, ∼126🔥, 0💬

"keytool -importcert" - Certificate-Only Bundle
This section provides a tutorial example on how to create a PKCS12 bundle to store a certificate and its private/public key pair using the 'keytool -genkeypair' command.
2024-11-27, ∼125🔥, 0💬

"keytool" - Key and Certificate Management Tool
This section provides a quick introduction of 'keytool' - a command line tool to manage private keys and public certificates in 'keystore' database file.
2024-11-27, ∼125🔥, 0💬

What Is PKI Certificate Store
This section describes what is PKI Certificate Store - a database used by a computer system or software to securely store PKI certificates and related information.
2024-11-27, ∼124🔥, 0💬

OpenSSL - Cryptography Toolkit
This chapter provides a quick introduction of OpenSSL cryptography toolkit. Topics include what is OpenSSL; installing OpenSSL CLI on CentOS; generating private/public key pairs, CSRs (Certificate Signing Requests), and self-signed certificates; signing CSRs into certificates as a CA (Certificate Au...
2024-11-27, ∼123🔥, 0💬

What Is PEM Certificate Bundle
This section describes what is PEM certificate bundle - a concatenation of multiple certificates in PEM format.
2024-11-27, ∼123🔥, 0💬

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