PGP secret keyring file (.skr)
.skr file signature | application/octet-stream
PGP secret keyring file
Magic Bytes
Offset 0
95 00
Sources: Gary Kessler
All Known Signatures
2 signature variants are documented for .skr files across multiple sources.
| Hex Signature | Offset | Sources |
|---|---|---|
| 95 00 | 0 | Gary Kessler |
| 95 01 | 0 | Gary Kessler |
Extension
.skr
MIME Type
application/octet-stream
Byte Offset
0
Risk Level
Safe
Validation Code
How to validate .skr files in Python
def is_skr(file_path: str) -> bool:
"""Check if file is a valid SKR by magic bytes."""
signature = bytes([0x95, 0x00])
with open(file_path, "rb") as f:
return f.read(2) == signatureHow to validate .skr files in Node.js
function isSKR(buffer: Buffer): boolean {
const signature = Buffer.from([0x95, 0x00]);
return buffer.subarray(0, 2).equals(signature);
}How to validate .skr files in Go
func IsSKR(data []byte) bool {
signature := []byte{0x95, 0x00}
if len(data) < 2 {
return false
}
return bytes.Equal(data[:2], signature)
}API Endpoint
/api/v1/skr
curl https://filesignature.org/api/v1/skr
See the full API documentation for all endpoints and parameters.
Frequently Asked Questions
What is a .skr file?
A .skr file is a PGP secret keyring file file. PGP secret keyring file
What are the magic bytes for .skr files?
The magic bytes for PGP secret keyring file files are 95 00 at byte offset 0. These bytes uniquely identify the file format regardless of the file extension.
How do I validate a .skr file?
To validate a .skr file, read the first bytes of the file and compare them against the known magic bytes (95 00) at offset 0. This is more reliable than checking the file extension alone, as extensions can be renamed.
What is the MIME type for .skr files?
There is no officially registered MIME type for .skr files. Systems typically use application/octet-stream as a generic fallback when handling this format.
Is it safe to open .skr files?
PGP secret keyring file (.skr) files are generally safe to open. They are classified as low risk because they primarily contain data rather than executable code. However, always ensure files come from a trusted source.