XML Security Library: XML Digital Signature

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## XML Digital Signature XML Digital Signature 1.0 provides integrity, message authentication, and/or signer authentication services for data of any type, whether located within the XML that includes the signature or elsewhere. XML Security Library supports all MUST/SHOULD/MAY features and algorithms described in the W3C standard and provides API to sign prepared document templates, add signature(s) to a document "on-the-fly" or verify the signature(s) in the document. XML Digital Signature Online Verifier is an example of a real application based on XML Security Library. Using this tool you can verify any XML Signature and get detailed report on what and how was signed. ### XML Security Library Interoperability Report #### XML Digital Signature 1.0 (RFC 3275)
Features and algorithms | XMLSec with OpenSSL | XMLSec with GnuTLS | XMLSec with NSS | XMLSec with MSCrypto
Detached Signature | Y | Y | Y | Y
Enveloping Signature: same document reference with fragment (URI="#Object1") | Y | Y | Y | Y
Enveloped Signature: same document reference (URI="") with Enveloped Signature Transform . | Y | Y | Y | Y
SignatureValue generation/validation | Y | Y | Y | Y
Manifest DigestValue generation/valdiation | Y | Y | Y | Y
Feature: laxly schema valid Signature element generation | Y | Y | Y | Y
XPointers '#xpointer(/)' | Y | Y | Y | Y
XPointers '#xpointer(id("ID"))' | Y | Y | Y | Y
XPointers: full suppport | Y | Y | Y | Y
XPath | Y | Y | Y | Y
the dsig XPath 'here()' function (can be used to implement enveloped signature) | Y | Y | Y | Y
XSLT (note, the child `XSLT` element of Transform has been deprecated.) | Y | Y | Y | Y
RetrievalMethod (e.g., X509Data) | Y | Y | Y | Y
SHA1 | Y | Y | Y | Y
Base64 | Y | Y | Y | Y
HMAC-SHA1 | Y | Y | Y | N
DSAwithSHA1 (DSS) | Y(1) | N | Y | Y
RSAwithSHA1 | Y | N | Y | Y
X509 support | Y | N | Y | Y
Minimal C14N (deprecated) | N | N | N | N
Canonical XML 1.0 | Y | Y | Y | Y
Exlusive Canonical XML 1.0 | Y | Y | Y | Y
Canonical XML 1.1 | Y | Y | Y | Y
Enveloped Signature | Y | Y | Y |
#### Additional XML Security Algorithms (RFC 4051)
Features and algorithms | XMLSec with OpenSSL | XMLSec with GnuTLS | XMLSec with NSS | XMLSec with MSCrypto
MD5 | Y | N | N | N
SHA224 | Y | N | N | N
SHA256 | Y | N | N | N
SHA384 | Y | N | N | N
SHA512 | Y | N | N | N
HMAC-MD5 | Y | Y | Y | N
HMAC-SHA224 | Y | N | N | N
HMAC-SHA256 | Y | N | N | N
HMAC-SHA384 | Y | N | N | N
HMAC-SHA512 | Y | N | N | N
HMAC-RIPEMD160 | Y | Y | N | N
RSA-MD5 | Y | N | N | N
RSA-SHA224 | Y | N | N | N
RSA-SHA256 | Y | N | N | N
RSA-SHA384 | Y | N | N | N
RSA-SHA512 | Y | N | N | N
RSA-RIPEMD160 | Y | N | N | N
ECDSA-SHA1 | N | N | N | N
ECDSA-SHA224 | N | N | N | N
ECDSA-SHA256 | N | N | N | N
ECDSA-SHA384 | N | N | N | N
ECDSA-SHA512 | N | N | N | N
ESIGN-SHA1 | N | N | N | N
ESIGN-SHA224 | N | N | N | N
ESIGN-SHA256 | N | N | N | N
ESIGN-SHA384 | N | N | N | N
ESIGN-SHA512 | N | N | N | N
Minimal C14N (deprecated) | N | N | N | N
XPointer transform | Y | Y | Y | Y
ARCFOUR Encryption | N | N | N | N
Camellia Block Encryption 128 | N | N | N | N
Camellia Block Encryption 192 | N | N | N | N
Camellia Block Encryption 256 | N | N | N | N
Camellia Key Wrap 128 | N | N | N | N
Camellia Key Wrap 192 | N | N | N | N
Camellia Key Wrap 256 | N | N | N | N
PSEC-KEM | N | N | N | N
#### Other algorithms
Features and algorithms | XMLSec with OpenSSL | XMLSec with GnuTLS | XMLSec with NSS | XMLSec with MSCrypto
GOST94 digests | N | N | N | Y(2)
GOST2001 signatures | N | N | N | Y(2)
(1) Defining DSA key with Seed and PgenCounter is not supported. (2) Requires install of a CSP providing these algorithms. Test vectors (from IETF/W3C XML Signature WG: XML Signature Interoperability page): merlin-xmldsig-twenty-three.tar.gz merlin-xmldsig-sixteen.tar.gz (features, deprecated) merlin-xmldsig-fifteen.tar.gz (algorithms, deprecated)