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Preview of Salt & Pepper 2%: Base B (512px)
png
64 KB
Actual file preview for Salt & Pepper 2%: Base B (512px)

Salt & Pepper 2%: Base B (512px)

Base B with 2% salt-and-pepper noise (seed 77002). A direct fixture for testing median and morphological denoisers against the clean reference.

File
PNG · Denoise Set · 512 × 512 px
Use case
Denoise testingImage pipeline QA· Conversion set
Preview of Salt & Pepper 5%: Base A (512px)
png
107.2 KB
Actual file preview for Salt & Pepper 5%: Base A (512px)

Salt & Pepper 5%: Base A (512px)

Base A with 5% salt-and-pepper noise (seed 42005). A direct fixture for testing median and morphological denoisers against the clean reference.

File
PNG · Denoise Set · 512 × 512 px
Use case
Denoise testingImage pipeline QA· Conversion set
Preview of Salt & Pepper 5%: Base B (512px)
png
89.9 KB
Actual file preview for Salt & Pepper 5%: Base B (512px)

Salt & Pepper 5%: Base B (512px)

Base B with 5% salt-and-pepper noise (seed 77005). A direct fixture for testing median and morphological denoisers against the clean reference.

File
PNG · Denoise Set · 512 × 512 px
Use case
Denoise testingImage pipeline QA· Conversion set
Preview of SAM Alignments: Header, Flags and CIGAR Operations (.sam)
sam
1.2 KB
Actual file preview for SAM Alignments: Header, Flags and CIGAR Operations (.sam)

SAM Alignments: Header, Flags and CIGAR Operations (.sam)

Six alignments against a synthetic contig with a full @HD/@SQ/@RG/@PG header, both strands via the reverse flag, and CIGAR strings covering match, soft clip, insertion and deletion. Reference span and query length come apart in three of the records, which is where CIGAR arithmetic gets tested.

File
SAM · Bioinformatics
Use case
Scientific dataEditor testing· Paired fixture
Preview of SAM CIGAR Span Reference: Query versus Reference Length (.csv)
csv
425 B
Actual file preview for SAM CIGAR Span Reference: Query versus Reference Length (.csv)

SAM CIGAR Span Reference: Query versus Reference Length (.csv)

Each alignment's CIGAR decomposed into how many query bases and how many reference bases it consumes, with the resulting 1-based reference end. The three records where those numbers differ are the whole reason CIGAR arithmetic is worth testing.

File
CSV · Bioinformatics · 6 rows
Use case
Scientific dataEditor testing+1· Paired fixture
Preview of Sample App .env
env
64 B
Actual file preview for Sample App .env

Sample App .env

Sample App .env: small deterministic fixture for parsers and the in-browser editor.

File
ENV · Config
Preview of SAMPLE CA Bundle: Root + Intermediate
pem
3.7 KB
Actual file preview for SAMPLE CA Bundle: Root + Intermediate

SAMPLE CA Bundle: Root + Intermediate

The two CA certificates concatenated in trust-store order, the shape a `--cafile` or `ca-bundle.crt` argument expects. Point a client at this and every other valid p7 leaf becomes verifiable.

File
PEM · Pki
Use case
Certificate & key testing· Conversion set
Preview of SAMPLE Certificate Revocation List (PEM)
pem
971 B
Actual file preview for SAMPLE Certificate Revocation List (PEM)

SAMPLE Certificate Revocation List (PEM)

The issuing CA's revocation list, PEM-armoured, naming the revoked SAMPLE leaf (keyCompromise) plus a second serial with no matching certificate file, because a real CRL lists serials, not certificates. Signed by the same intermediate that issued them.

File
PEM · Pki
Use case
Certificate & key testing· Paired fixture
Preview of SAMPLE Certificate Revocation List: Empty
pem
869 B
Actual file preview for SAMPLE Certificate Revocation List: Empty

SAMPLE Certificate Revocation List: Empty

A correctly signed CRL with an absent revokedCertificates field: what a CA publishes when it has revoked nothing. Parsers that assume the list is always present tend to fault here rather than report zero entries.

File
PEM · Pki
Use case
Certificate & key testingError handling· Conversion set
Preview of SAMPLE Certificate Revocation List: Stale
pem
971 B
Actual file preview for SAMPLE Certificate Revocation List: Stale

SAMPLE Certificate Revocation List: Stale

A validly signed CRL whose nextUpdate passed in 2020. Whether a client hard-fails, soft-fails, or silently trusts stale revocation data is a real policy decision, and this is the fixture that reveals which one it made.

File
PEM · Pki
Use case
Certificate & key testingError handling· Conversion set
Preview of SAMPLE Chain: Leaf + Intermediate
pem
3.6 KB
Actual file preview for SAMPLE Chain: Leaf + Intermediate

SAMPLE Chain: Leaf + Intermediate

The bundle a TLS server actually presents: leaf first, then the issuing CA, with the root deliberately omitted because clients must already trust it. This is the correct-by-construction reference for the chain-order fixtures beside it.

File
PEM · Pki
Use case
Certificate & key testing· Conversion set
Preview of SAMPLE Chain: Leaf + Intermediate + Root
pem
5.5 KB
Actual file preview for SAMPLE Chain: Leaf + Intermediate + Root

SAMPLE Chain: Leaf + Intermediate + Root

The same chain with the self-signed root appended. Sending the root is legal and common, merely wasteful, so a verifier must ignore the extra anchor rather than treat it as an error.

File
PEM · Pki
Use case
Certificate & key testing· Conversion set
Preview of SAMPLE Chain: Missing Intermediate
pem
3.7 KB
Actual file preview for SAMPLE Chain: Missing Intermediate

SAMPLE Chain: Missing Intermediate

Leaf plus root with the issuing CA left out: the single most common TLS misconfiguration, and the one that works in browsers with a cached intermediate and fails everywhere else. Use it to prove a client does not silently paper over the gap.

File
PEM · Pki
Use case
Certificate & key testing· Conversion set
Preview of SAMPLE Chain: Wrong Order
pem
3.6 KB
Actual file preview for SAMPLE Chain: Wrong Order

SAMPLE Chain: Wrong Order

The leaf and intermediate concatenated backwards. Strict servers reject the file outright while tolerant path builders reorder it silently, so it cleanly separates the two behaviours.

File
PEM · Pki
Use case
Certificate & key testing· Conversion set
Preview of SAMPLE Client Authentication Certificate
pem
1.5 KB
Actual file preview for SAMPLE Client Authentication Certificate

SAMPLE Client Authentication Certificate

A mutual-TLS client certificate: EC P-256 subject key, clientAuth EKU only, and an OU naming the fictional access group. Present it to an mTLS endpoint to test client-certificate parsing and EKU enforcement.

File
PEM · Pki
Use case
Certificate & key testing· Conversion set
Preview of SAMPLE Code Signing Certificate
pem
1.8 KB
Actual file preview for SAMPLE Code Signing Certificate

SAMPLE Code Signing Certificate

A code-signing certificate (codeSigning EKU, digitalSignature only) issued by the SAMPLE intermediate. It signs nothing real: it exists so signature-verification tooling has an EKU-correct certificate to reason about.

File
PEM · Pki
Use case
Certificate & key testing· Conversion set
Preview of SAMPLE CSR: Common Name Only
csr
915 B
Actual file preview for SAMPLE CSR: Common Name Only

SAMPLE CSR: Common Name Only

A CSR with nothing but a Common Name and no requested extensions: the output of the shortest possible openssl req invocation. Intake code that assumes an extensionRequest attribute exists breaks on it.

File
CSR · Pki
Use case
Certificate & key testing· Conversion set
Preview of SAMPLE CSR: Ed25519
csr
452 B
Actual file preview for SAMPLE CSR: Ed25519

SAMPLE CSR: Ed25519

An Ed25519 certificate request. Its signature algorithm identifier carries no separate hash OID, which is exactly the field that trips older CSR parsers written around RSA and ECDSA.

File
CSR · Pki
Use case
Certificate & key testing· Conversion set
Preview of SAMPLE CSR: Intentionally Corrupt Base64
csr
915 B
Actual file preview for SAMPLE CSR: Intentionally Corrupt Base64

SAMPLE CSR: Intentionally Corrupt Base64

An intentionally corrupt PKCS#10 request: the PEM armour is intact but four illegal characters have been substituted into the Base64 body, so decoding fails part-way. It exists to check that a CSR intake path reports a parse error instead of a stack trace or a partially populated record.

File
CSR · Pki
Use case
Certificate & key testingError handling· Conversion set
Preview of SAMPLE CSR: RSA with SAN
csr
1.1 KB
Actual file preview for SAMPLE CSR: RSA with SAN

SAMPLE CSR: RSA with SAN

The CSR shape a modern CA expects: full subject DN, a requested subjectAltName extension, and a self-signature proving possession of the RSA key. Everything a CA intake form needs to parse.

File
CSR · Pki
Use case
Certificate & key testing· Conversion set
Preview of SAMPLE CSR: Wildcard
csr
1.1 KB
Actual file preview for SAMPLE CSR: Wildcard

SAMPLE CSR: Wildcard

A wildcard certificate request covering *.csr.pki.sample.example plus the apex. CA policy engines usually treat wildcards specially, so this is the input that exercises that branch.

File
CSR · Pki
Use case
Certificate & key testing· Conversion set
Preview of SAMPLE Detached Signature Payload
txt
294 B
Actual file preview for SAMPLE Detached Signature Payload

SAMPLE Detached Signature Payload

The exact bytes covered by the detached PKCS#7 signature shipped beside it. LF line endings are part of the contract, rewriting the file with CRLF is the fastest way to watch a signature check fail for a reason nobody suspects.

File
TXT · Pki · UTF-8
Use case
Certificate & key testing· Paired fixture
Preview of Sample Dockerfile
dockerfile
94 B
Actual file preview for Sample Dockerfile

Sample Dockerfile

Sample Dockerfile: small deterministic fixture for parsers and the in-browser editor.

File
DOCKERFILE · Config