Cryptographic Provider Names

Article
01/07/2021

The following cryptographic service provider (CSP) names are defined in Wincrypt.h. These constants are used with the CryptAcquireContext and CryptSetProvider functions.

Constant/value	Description
MS_DEF_DH_SCHANNEL_PROV "Microsoft DH Schannel Cryptographic Provider"	The Microsoft DSS and Diffie-Hellman/Schannel Cryptographic Provider.
MS_DEF_DSS_DH_PROV "Microsoft Base DSS and Diffie-Hellman Cryptographic Provider"	The Microsoft Base DSS and Diffie-Hellman Cryptographic Provider.
MS_DEF_DSS_PROV "Microsoft Base DSS Cryptographic Provider"	The Microsoft DSS Cryptographic Provider.
MS_DEF_PROV "Microsoft Base Cryptographic Provider v1.0"	The Microsoft Base Cryptographic Provider.
MS_DEF_RSA_SCHANNEL_PROV "Microsoft RSA Schannel Cryptographic Provider"	The Microsoft RSA/Schannel Cryptographic Provider.
MS_DEF_RSA_SIG_PROV "Microsoft RSA Signature Cryptographic Provider"	The Microsoft RSA Signature Cryptographic Provider is not supported.
MS_ENH_DSS_DH_PROV "Microsoft Enhanced DSS and Diffie-Hellman Cryptographic Provider"	The Microsoft Enhanced DSS and Diffie-Hellman Cryptographic Provider.
MS_ENH_RSA_AES_PROV "Microsoft Enhanced RSA and AES Cryptographic Provider"	The Microsoft AES Cryptographic Provider. Windows XP: "Microsoft Enhanced RSA and AES Cryptographic Provider (Prototype)"
MS_ENHANCED_PROV "Microsoft Enhanced Cryptographic Provider v1.0"	The Microsoft Enhanced Cryptographic Provider.
MS_SCARD_PROV "Microsoft Base Smart Card Crypto Provider"	The Microsoft Base Smart Card Cryptographic Service Provider.
MS_STRONG_PROV "Microsoft Strong Cryptographic Provider"	The Microsoft Strong Cryptographic Provider.

Requirements

Requirement	Value
Minimum supported client	Windows XP [desktop apps only]
Minimum supported server	Windows Server 2003 [desktop apps only]
Header	Wincrypt.h