Hardware XML Canonicalization & Signature Generation for ISO 20022

High-throughput streaming canonicalization (C14N) and digital signature generation for interbank payment messages.

Overcoming XML Processing Latency in Instant Payments

ISO 20022 replaces legacy MT messaging with verbose XML structures, introducing severe CPU overhead during canonicalization and digital signature generation. FinanceHSM deploys custom hardware XML parsing pipelines that complete canonicalization and signature generation in under 180 microseconds.

Preventing Payment Message Manipulation

FinanceHSM embeds digital signatures directly into the ISO 20022 AppHdr (Business Application Header), ensuring end-to-end cryptographic non-repudiation from the originating commercial bank to the clearinghouse.

Streaming Canonicalization: Hardware-accelerated XML canonicalization (C14N11) processing large pacs.008 batches.
Line-Rate Signature Generation: Generating over 180,000 XMLDSig RSA-2048/3072 signatures per second.
Schema Validation in Silicon: Hardware-enforced XML Schema (XSD) validation rejecting malformed payment injection attacks.
End-to-End Encryption: Protecting account numbers and transfer amounts using AES-256-GCM message-level encryption.

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