René's URL Explorer Experiment


Title: Key Derivation Functions | java.evolved

Open Graph Title: Key Derivation Functions | java.evolved

X Title: Key Derivation Functions | java.evolved

Description: Derive cryptographic keys using the standard KDF API.

Open Graph Description: Derive cryptographic keys using the standard KDF API.

X Description: Derive cryptographic keys using the standard KDF API.

Opengraph URL: https://javaevolved.github.io/security/key-derivation-functions.html

direct link

Domain: javaevolved.github.io

Hey, it has json ld scripts: 
  {
    "@context": "https://schema.org",
    "@type": "TechArticle",
    "headline": "Key Derivation Functions",
    "description": "Derive cryptographic keys using the standard KDF API.",
    "url": "https://javaevolved.github.io/key-derivation-functions.html",
    "publisher": {
        "@type": "Organization",
        "name": "java.evolved",
        "url": "https://javaevolved.github.io"
    },
    "mainEntityOfPage": {
        "@type": "WebPage",
        "@id": "https://javaevolved.github.io/key-derivation-functions.html"
    }
}
  
  {
    "@context": "https://schema.org",
    "@type": "BreadcrumbList",
    "itemListElement": [
        {
            "@type": "ListItem",
            "position": 1,
            "name": "Home",
            "item": "https://javaevolved.github.io/"
        },
        {
            "@type": "ListItem",
            "position": 2,
            "name": "Security",
            "item": "https://javaevolved.github.io/#security"
        },
        {
            "@type": "ListItem",
            "position": 3,
            "name": "Key Derivation Functions"
        }
    ]
}
theme-color#f97316
mobile-web-app-capableyes
apple-mobile-web-app-status-bar-styleblack-translucent
apple-mobile-web-app-titlejava.evolved
og:typearticle
og:site_namejava.evolved
og:localeen
og:imagehttps://javaevolved.github.io/og/security/key-derivation-functions.png
og:image:width1200
og:image:height630
og:image:typeimage/png
twitter:cardsummary_large_image
twitter:imagehttps://javaevolved.github.io/og/security/key-derivation-functions.png

Links:

java.evolvedhttps://javaevolved.github.io/
https://github.com/javaevolved/javaevolved.github.io
← All patternshttps://javaevolved.github.io/
←https://javaevolved.github.io/security/pem-encoding.html
→https://javaevolved.github.io/security/strong-random.html
Homehttps://javaevolved.github.io/
Securityhttps://javaevolved.github.io/#security
🐛 Report a code issuehttps://github.com/javaevolved/javaevolved.github.io/issues/new?template=code-issue.yml&title=%5BCode%20Issue%5D%20Key%20Derivation%20Functions&category=security&slug=key-derivation-functions
🌐 Report a translation issuehttps://github.com/javaevolved/javaevolved.github.io/issues/new?template=translation-issue.yml&title=%5BTranslation%5D%20Key%20Derivation%20Functions%20%28English%29&locale=en&pattern=key-derivation-functions&area=Pattern%20content
💡 Suggest a new patternhttps://github.com/javaevolved/javaevolved.github.io/issues/new?template=new-pattern.yml
𝕏https://x.com/intent/tweet?url=https%3A%2F%2Fjavaevolved.github.io%2Fsecurity%2Fkey-derivation-functions.html&text=Key%20Derivation%20Functions%20%E2%80%93%20java.evolved
🦋https://bsky.app/intent/compose?text=Key%20Derivation%20Functions%20%E2%80%93%20java.evolved%20https%3A%2F%2Fjavaevolved.github.io%2Fsecurity%2Fkey-derivation-functions.html
inhttps://www.linkedin.com/sharing/share-offsite/?url=https%3A%2F%2Fjavaevolved.github.io%2Fsecurity%2Fkey-derivation-functions.html
⬡https://www.reddit.com/submit?url=https%3A%2F%2Fjavaevolved.github.io%2Fsecurity%2Fkey-derivation-functions.html&title=Key%20Derivation%20Functions%20%E2%80%93%20java.evolved
Let us know.https://github.com/javaevolved/javaevolved.github.io/issues/new?template=code-issue.yml&title=%5BCode%20Issue%5D%20Key%20Derivation%20Functions&category=security&slug=key-derivation-functions
Key Derivation Functions (JEP 478) ↗https://openjdk.org/jeps/478
View proof source ↗https://github.com/javaevolved/javaevolved.github.io/blob/main/proof/security/KeyDerivationFunctions.java
Security Advanced PEM encoding/decoding Java 8 String pem = "-----BEGIN CERTIFICATE-----\n" + Base64.getMimeEncoder() .encodeToString( cert.getEncoded()) + "\n-----END CERTIFICATE-----"; Java 25 (Preview) // Encode to PEM String pem = PEMEncoder.of() .encodeToString(cert); // Decode from PEM var cert = PEMDecoder.of() .decode(pemString); Hover to see modern ➜ JDK 25+ → https://javaevolved.github.io/security/pem-encoding.html
Security Beginner Strong random generation Java 8 // Default algorithm — may not be // the strongest available SecureRandom random = new SecureRandom(); byte[] bytes = new byte[32]; random.nextBytes(bytes); Java 9+ // Platform's strongest algorithm SecureRandom random = SecureRandom.getInstanceStrong(); byte[] bytes = new byte[32]; random.nextBytes(bytes); Hover to see modern ➜ JDK 9+ → https://javaevolved.github.io/security/strong-random.html
Security Intermediate TLS 1.3 by default Java 8 SSLContext ctx = SSLContext.getInstance("TLSv1.2"); ctx.init(null, trustManagers, null); SSLSocketFactory factory = ctx.getSocketFactory(); // Must specify protocol version Java 11+ // TLS 1.3 is the default! var client = HttpClient.newBuilder() .sslContext(SSLContext.getDefault()) .build(); // Already using TLS 1.3 Hover to see modern ➜ JDK 11+ → https://javaevolved.github.io/security/tls-default.html
java.evolvedhttps://javaevolved.github.io/
Bruno Borgeshttps://github.com/brunoborges
GitHub Copilothttps://github.com/features/copilot
modern-css.comhttps://modern-css.com
View on GitHubhttps://github.com/javaevolved/javaevolved.github.io

Viewport: width=device-width, initial-scale=1.0

Robots: index, follow

URLs of crawlers that visited me.