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Ed25519 Private Key (PEM)

An Ed25519 private key in PKCS#8 PEM, derived from a fixed seed: a published, sample-only modern elliptic-curve key for testing PEM parsers and Ed25519 tooling. Never use it for real.

Preview, first 4 lineskey
-----BEGIN PRIVATE KEY-----
MC4CAQAwBQYDK2VwBCIEIAABAgMEBQYHCAkKCwwNDg8QERITFBUWFxgZGhscHR4f
-----END PRIVATE KEY-----

Specifications

Format
PKCS#8 (PEM)
Algorithm
Ed25519
Encrypted
false
Sample Only
true
Warning
published sample key: never use in production

Testing contract

Expected to pass
Scenario
Exercise Ed25519 Private Key (PEM) in its security workflow. An Ed25519 private key in PKCS#8 PEM, derived from a fixed seed: a published, sample-only modern elliptic-curve key for testing PEM parsers and Ed25519 tooling.
Expected result
3 text lines, decoded as UTF-8; first nonempty line is '-----BEGIN PRIVATE KEY-----'. Declared feature checks: algorithm=Ed25519; encrypted=False; warning=published sample key. Never use in production.

What is a .key file?

A .key file holds a private key, usually PEM-encoded in PKCS#8 (BEGIN PRIVATE KEY) or a key-type-specific format. It is the secret half of a TLS or SSH identity and must normally be protected. The examples here are published, sample-only keys that must never be used in production.

How to use this file

Use an example .key to test PEM key parsers, PKCS#8 decoders, and key-format converters (for example PEM to DER or OpenSSH). These are deliberately published sample keys, for parser testing only, never for real use.

How to use this file for testing

“Ed25519 Private Key (PEM)” is a deterministic Testaroo fixture for Certificate & key testing, Editor testing. Self-signed X.509 certificates (PEM, CRT, DER), a CSR, RSA and Ed25519 keys, an SSH public key, a PKCS#12 bundle, and an htpasswd file, all published sample-only material, for testing certificate parsers, TLS tooling, keystore importers, and PEM/DER decoders.

Documented properties for this file: Ed25519 · PKCS#8 (PEM). Compare results against paired or grouped companions on this page when present (clean↔damaged, searchable↔scanned, or format twins) so scores stay reproducible across runs.

Download the file once, keep the path stable in CI or local scripts, and treat the spec table as the contract: dimensions, seeds, field lists, and roles are intentional. Corrupt or invalid samples are labelled as such, expect parsers to fail loudly rather than silently accept them.

Data fixtures document their exact quirks (delimiters, encodings, null handling, schema, and row counts) in the spec table. Point your parser or importer at the file and assert it handles the documented edge cases; clean and deliberately-messy siblings make before/after diffs straightforward.

This is a published, sample-only certificate/key. Parse it, verify the chain or signature, and test PEM↔DER conversion, never deploy it anywhere real.

Generated by generation/pki_security.py. Free for any use, no attribution required, license.