PKCS

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PKCS

(Public Key Cryptography Standards) Following is a brief summary of RSA Laboratory standards for public key cryptography. See public key cryptography, digital signature, x.509 and code signing.
RSA STANDARDSFormat        Purpose

 PKCS#1   Encryption and signing
 PKCS#3   Diffie-Hellman key protocol
 PKCS#5   String encryption
 PKCS#7   Signed cert
 PKCS#8   Private key and attributes
 PKCS#9   Attributes
 PKCS#10  Cert signing request (CSR)
 PKCS#11  Cryptoki smart card API
 PKCS#12  Cert and publisher private key
 PKCS#15  Cryptoki token credentials
 PKCS#12  X.509 Cert and private keys
 PKCS#13  Elliptic Curve cryptography
 PKCS#14  Pseudo-random number generation


 Code Signing Sequence

 PKCS#10  Cert signing request (CSR)
 PKCS#7   Signed cert
 PKCS#12  Cert and publisher private key

 Cert = X.509 certificate



The Code Signing Process
The combination of the signed digital certificate and the signed executable file ensures that the executable has come from a valid publisher and has not been tampered with. See code signing.


The Code Signing Process
The combination of the signed digital certificate and the signed executable file ensures that the executable has come from a valid publisher and has not been tampered with. See code signing.
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1 release, and is fully compliant with the Public-Key Cryptography Standards (PKCS), the industry standard for cryptography.

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