12. Import/Export
This category covers the exchange of cryptographic materials between systems, formats, and platforms.
Scenarios
| No. | Scenario | Description | Complexity | ||||
|---|---|---|---|---|---|---|---|
| 12.1 | PEM Export | PEM format export/import | | | 12.2 | PFX/PKCS#12 Export | Certificate + key as PFX | * | ||||
| 12.3 | PKCS#7 Chain | Export certificate chains | | | 12.4 | Interoperability | Cross-platform exchange | | —- ===== Overview ===== <mermaid> flowchart LR subgraph Formats PEM[PEM/Base64] DER[DER/Binary] PFX[PFX/PKCS#12] P7B[PKCS#7/P7B] end subgraph Contents CERT[Certificate] KEY[Private Key] CHAIN[Chain] CRL[CRL] end CERT –> PEM CERT –> DER CERT –> PFX KEY –> PEM KEY –> PFX CHAIN –> P7B CHAIN –> PEM CRL –> PEM CRL –> DER </mermaid> —- ===== Format Overview ===== ^ Format ^ File Extension ^ Content ^ Encoding ^ Usage ^ | PEM | .pem, .crt, .key | Cert/Key/Chain | Base64 | Linux, OpenSSL | | DER | .der, .cer | Single object | Binary | Windows, Java | | PFX/PKCS#12 | .pfx, .p12 | Cert + Key + Chain | Binary | Windows, .NET | | PKCS#7 | .p7b, .p7c | Chain (no keys) | Binary/Base64 | Chain distribution | | JKS** | .jks | Java KeyStore | Binary | Java applications |
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Wolfgang van der Stille @ EMSR DATA d.o.o. - Post-Quantum Cryptography Professional
Zuletzt geändert: on 2026/01/30 at 12:25 AM
