CMS SignedData generator

Simple RFC 5652 CMS SignedData generator in pure JavaScript

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(Step1) Fill signer's private key and certificate

As for private key, any PKCS#5 and PKCS#8 PEM formatted RSA/ECDSA/DSA key are supported.

SIGNER'S PRIVATE KEY:

-----BEGIN PRIVATE KEY-----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-----END PRIVATE KEY-----

SIGNER'S X.509 CERTIFICATE:

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

(Step2) Fill CMS SignedData properties

signed content
hash algorithm for MessageDigest attribute
signature algorithm for SignerInfo
add SigingTime signed attribute?

(Step3) Press "Sign" button

Generated CMS SignedData

This PEM formatted CMS signed data can be verified by OpenSSL command as following.

% openssl cms -verify -in cms.pem -signer signer.cer -no_signer_cert_verify -inform PEM -binary