$ L2_EMV

Decode and analyze TLV (Tag-Length-Value) data structures from EMV transactions

• Hierarchical TLV parsing
• Bit field analysis
• EMV tag identification

Parse and analyze APDU commands and responses with DOL support

• Command/Response parsing
• DOL (Data Object List) analysis
• Status word interpretation

Complete EMV tag reference with descriptions and specifications

• Searchable tag database
• Tag type classification
• Bit field definitions

Certificate Authority public keys for EMV certificate validation

• CA key database
• Live and test keys
• Hash calculation

Advanced cryptographic validation for EMV certificates and signatures

• Certificate validation
• Signature verification
• ICC key analysis

Analyze EMV issuer script templates and commands

• Script template analysis
• APDU command decoding
• Pattern identification

Decode and analyze EMV transaction logs with automatic TLV parsing

• Transaction log parsing
• Automatic TLV detection
• Multi-format support

Validate EMV Application Cryptograms using CDOL data and transaction information

• TC/ARQC/AAC validation
• CDOL1/CDOL2 support
• CID analysis

Utility tools for common data conversion and format operations

• HEX ↔ Text conversion
• LUHN algorithm checker with real-time validation
• DOL decoder for EMV data structures

Comprehensive cryptographic toolkit with DES/3DES, AES encryption, DUKPT key derivation, and TR-31 key management

• DES/3DES encryption with multiple padding modes
• AES-128/192/256 with ECB, CBC, CFB, OFB modes
• ANSI X9.24-1 DUKPT key derivation
• ANSI X9.24-3 TR-31 key block encode/decode
• Key Check Value (KCV) generation

EMV reference database with 374,000+ searchable records

• 374,000+ BIN Numbers - Card issuer lookup database
• 320+ AIDs - Application Identifiers for EMV cards
• 100+ RIDs - Registered Application Provider IDs