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X9 X9.63-2011 (R2017) Public Key Cryptography for the Financial Services Industry, Key Agreement and Key Transport Using Elliptic Curve Cryptography
standard by Accredited Standards Committee X9 Incorporated, 12/21/2011
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ANSI X9.63-2011 (R2017) specializes ISO/IEC 11740-3 Information Technology - Security Techniques - Key Management - Part 3: Mechanisms using asymmetric techniques for use by the financial services industry. This Standard defines key establishment schemes that employ asymmetric cryptographic techniques. The arithmetic operations involved in the operation of the schemes take place in the algebraic structure of an elliptic curve over a finite field.Both key agreement and key transport schemes are specified. The schemes may be used by two parties to compute shared keying data that may then be used by symmetric schemes to provide cryptographic services, e.g., data confidentiality and data integrity.