What's CAPK - Revision history

Mahong: Replaced content with "{{Migrating|https://smartpossdk.gitbook.io/cloudpossdk/faq/emv/whats-capk}}"

2024-04-08T05:15:58Z

Replaced content with "{{Migrating|https://smartpossdk.gitbook.io/cloudpossdk/faq/emv/whats-capk}}"

← Older revision		Revision as of 05:15, 8 April 2024
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	~~=== Definition and Role~~: ~~===~~		{{Migrating\|https://smartpossdk.gitbook.io/cloudpossdk/faq/emv/whats-capk}}
	* CAPK, or Certification Authority Public Key, is a key used in EMV (Europay, MasterCard, and Visa) card systems for Offline Data Authentication (ODA).
	* It plays a crucial role in the authentication of EMV card transactions, regardless of whether the transaction is processed online or offline.
	~~=== Operational Importance: ===~~
	* '''Offline Data Authentication:''' CAPK is essential for validating the authenticity of card data during offline transactions.
	* '''Transaction Processing:''' For both online and offline transactions, CAPK is used to ensure the card data has not been tampered with.
	* '''SDA Dependency:''' If CAPK is not set or configured correctly in the POS system, Static Data Authentication (SDA) will fail, potentially leading to declined transactions.
	~~=== Components of CAPK: ===~~
	* CAPK consists of several key elements, each playing a significant role in the authentication process:
	** '''RID (Registered Application Provider Identifier):''' Identifies the card application provider.
	** '''CAPKI (Certification Authority Public Key Index):''' Specifies the particular public key to be used.
	** '''Exponent:''' Part of the public key used in the cryptographic process.
	** '''Checksum:''' Ensures the integrity of the CAPK data.
	** '''Modulus:''' The other part of the public key used for cryptographic calculations.
	~~=== Implementation in POS Systems: ===~~
	* '''Configuration:''' Proper configuration of CAPK in smart POS systems is essential for EMV compliance and effective transaction processing.
	* '''Updates and Management:''' Regular updates and management of CAPKs are crucial to accommodate new card issuer specifications and security updates.
	~~'''Note:'''~~
	* The management of CAPKs in smart POS systems is a critical aspect of EMV compliance. Technicians and developers should ensure these keys are accurately configured, regularly updated, and securely managed to maintain the integrity of the EMV transaction process.

Simon no use at 17:54, 14 January 2024

2024-01-14T17:54:46Z

← Older revision		Revision as of 17:54, 14 January 2024
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	CAPK is used for Offline Data Authentication. ~~No matter~~ whether the transaction is online or ~~not~~, CAPK ~~will be~~ used. If CAPK is not set, SDA will fail. ~~It includes~~ RID, CAPKI, ~~EXPONENT, CHECKSUM~~, and ~~MODUL~~.		=== Definition and Role: ===
			* CAPK, or Certification Authority Public Key, is a key used in EMV (Europay, MasterCard, and Visa) card systems for Offline Data Authentication (ODA).
			* It plays a crucial role in the authentication of EMV card transactions, regardless of whether the transaction is processed online or offline.
			=== Operational Importance: ===
			* '''Offline Data Authentication:''' CAPK is essential for validating the authenticity of card data during offline transactions.
			* '''Transaction Processing:''' For both online and offline transactions, CAPK is used to ensure the card data has not been tampered with.
			* '''SDA Dependency:''' If CAPK is not set or configured correctly in the POS system, Static Data Authentication (SDA) will fail, potentially leading to declined transactions.
			=== Components of CAPK: ===
			* CAPK consists of several key elements, each playing a significant role in the authentication process:
			** '''RID (Registered Application Provider Identifier):''' Identifies the card application provider.
			** '''CAPKI (Certification Authority Public Key Index):''' Specifies the particular public key to be used.
			** '''Exponent:''' Part of the public key used in the cryptographic process.
			** '''Checksum:''' Ensures the integrity of the CAPK data.
			** '''Modulus:''' The other part of the public key used for cryptographic calculations.
			=== Implementation in POS Systems: ===
			* '''Configuration:''' Proper configuration of CAPK in smart POS systems is essential for EMV compliance and effective transaction processing.
			* '''Updates and Management:''' Regular updates and management of CAPKs are crucial to accommodate new card issuer specifications and security updates.
			'''Note:'''
			* The management of CAPKs in smart POS systems is a critical aspect of EMV compliance. Technicians and developers should ensure these keys are accurately configured, regularly updated, and securely managed to maintain the integrity of the EMV transaction process.

Jeff nouse at 07:28, 30 March 2020

2020-03-30T07:28:52Z

← Older revision		Revision as of 07:28, 30 March 2020
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	CAPK is used for Offline Data Authentication, it will be used ~~whether transaction~~ is ~~online or~~ not, SDA will ~~failed if you don't set CAPK~~. It includes RID, CAPKI, EXPONENT, CHECKSUM, and MODUL.		CAPK is used for Offline Data Authentication. No matter whether the transaction is online or not, CAPK will be used. If CAPK is not set, SDA will fail. It includes RID, CAPKI, EXPONENT, CHECKSUM, and MODUL.

Jeff nouse at 07:21, 30 March 2020

2020-03-30T07:21:39Z

← Older revision		Revision as of 07:21, 30 March 2020
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	CAPK is used for Offline Data Authentication, it will be used whether transaction is online or not, SDA will failed if you don't set CAPK. It includes RID, CAPKI, EXPONENT, CHECKSUM, and MODUL.		CAPK is used for Offline Data Authentication, it will be used whether transaction is online or not, SDA will failed if you don't set CAPK. It includes RID, CAPKI, EXPONENT, CHECKSUM, and MODUL.

Mahong: Created page with " CAPK is used for Offline Data Authentication, it will be used whether transaction is online or not, SDA will failed if you don't set CAPK. It includes RID, CAPKI, EXPONEN..."

2019-05-13T03:03:37Z

Created page with " CAPK is used for Offline Data Authentication, it will be used whether transaction is online or not, SDA will failed if you don't set CAPK. It includes RID, CAPKI, EXPONEN..."

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CAPK is used for Offline Data Authentication, it will be used whether transaction is online or not, SDA will failed if you don't set CAPK. It includes RID, CAPKI, EXPONENT, CHECKSUM, and MODUL.