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## XML Encryption Interoperability Report XML Security library supports the following features as defined in XML Encryption Syntax and Processing Version 1.1 (also see RFC 9231): ### XMLSec Library core features
| Requirements | Status
Processing rules
Type parameter value: Element | Required | Yes
Type parameter value: Content | Required | Yes
Type parameter value: EXI | Optional | No
Encryption | Required | Yes
Decryption | Required | Yes
XML Encryption | Optional | Yes
Syntax
The EncryptedType Element | Required | Yes
The EncryptionMethodElement | Optional | Yes
The CipherData Element | Required | Yes
The CipherReference Element | Optional | Yes
The EncryptedData Element | Required | Yes
The EncryptedKey Element | Optional | Yes
The DerivedKey Element | Required | Yes (1)
The ds:RetrievalMethod Element | Optional | Yes
The ReferenceList Element | Optional | Yes
The EncryptionProperties Element | Optional | Yes
Transforms
XML Canonicalization | See XMLDsig Report
### XMLSec Cryptographic Libraries features
| Requirements | XMLSec with OpenSSL | XMLSec with NSS | XMLSec with GnuTLS | XMLSec with MSCng | XMLSec with MSCrypto | XMLSec with GCrypt
Block Encryption Algorithms
Triple DES (DES3) | Required | Yes | Yes | Yes | Yes | Yes | Yes
AES-CBC-128 | Required | Yes | Yes | Yes | Yes | Yes | Yes
AES-CBC-192 | Optional | Yes | Yes | Yes | Yes | Yes | Yes
AES-CBC-256 | Required | Yes | Yes | Yes | Yes | Yes | Yes
AES-GCM-128 | Required | Yes | Yes | Yes | Yes | Yes | No
AES-GCM-192 | Optional | Yes | Yes | Yes | Yes | Yes | No
AES-GCM-256 | Optional | Yes | Yes | Yes | Yes | Yes | No
Stream Encryption Algorithms | Optional | No | No | No | No | No | No
Key Derivation
ConcatKDF | Required | Yes (2) (3) | No | No | Yes (3) (4) | No | No
PBKDF2 | Optional | Yes (2) (5) | Yes (5) | Yes (5) | Yes (4) (5) | No | No
Key Transport
RSA PKCS1 v1.5 | Optional | Yes | Yes | Yes | Yes | Yes | Yes
RSA-OAEP (MGF1 with SHA1) | Required | Yes | Yes | No | Yes | Yes | Yes
RSA-OAEP with MGF1-SHA1 | Optional | Yes | Yes | No | Yes (6) | No | Yes (6)
RSA-OAEP with MGF1-SHA224 | Optional | Yes | Yes | No | No | No | Yes (6)
RSA-OAEP with MGF1-SHA256 | Optional | Yes | Yes | No | Yes (6) | No | Yes (6)
RSA-OAEP with MGF1-SHA384 | Optional | Yes | Yes | No | Yes (6) | No | Yes (6)
RSA-OAEP with MGF1-SHA512 | Optional | Yes | Yes | No | Yes (6) | No | Yes (6)
Key Agreement
Elliptic Curve Diffie-Hellman (ECDH) | Required | Yes (2) | No | No | Yes (4) | No | No
Diffie-Hellman with legacy KDF | Optional | No | No | No | No | No | No
Diffie-Hellman with explicit KDF | Optional | Yes (2) (7) | No | No | No | No | No
Symmetric Key Wrap
Triple DES Key Wrap | Required | Yes | Yes | Yes | Yes | Yes | Yes
AES-128 KeyWrap | Required | Yes | Yes | Yes | Yes | Yes | Yes
AES-192 KeyWrap | Optional | Yes | Yes | Yes | Yes | Yes | Yes
AES-256 KeyWrap | Required | Yes | Yes | Yes | Yes | Yes | Yes
Message Digest
Message Digest Algorithms | See XMLDsig Report
(1) Some optional features in DerivedKey element are not supported (more details). (2) Requires OpenSSL 3.0.0 or greater. (3) Only byte-aligned bit strings in ConcatKDFParams element are supported (more details). (4) The xmlsec-mscng library does not support some cryptographic algortihms on Windows 8, Windows Server 2008, Windows Vista, Windows Server 2003 and Windows XP. (5) Only "specified" salt is supported for PBKDF2. (6) RSA-OAEP digest algorithm and MGF1 algorithm must be the same. (7) The xmlsec-openssl library only supports DHX (X9.42 format) keys for DH algorithm. ### Test vectors XML Encryption 1.0 interop (2002) XML Encryption 1.1 interop (2012)