Supported technologies and standards

The following table provides a summary of the technologies and industry standards that Digital Signatures supports.

Item

Supported technology or standards

One-way hash (for creating document digests)

SHA-1, SHA-256, SHA-384, and SHA-512

MD5

RIPEMD160

Digital signatures

PKCS #1 and #7

RSA (up to 4096 bit)

DSA (up to 4096 bit)

XML signatures

Seed values (enforcement of certificate usage criteria)

Time stamping (using Time Stamp Providers)

Certificate validity

Certificate Revocation Lists (CRL)

Online Certificate Status Protocol (OCSP)

RFC 3280 compliant path validation

The Signature service enforces Federal Information Processing Standard (FIPS) compliance and uses the RSA BSAFE libraries.

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