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The following are predefined constants for cryptography protocols. These values are defined in Wincrypt.h.
| Constant/value | Description |
|---|---|
|
Internet protocol security (IPsec) protocol. |
|
Private communications transport (PCT) version 1 protocol. |
|
Signing protocol. |
|
Secure sockets layer (SSL) version 2 protocol. |
|
SSL version 3 protocol. |
|
Transport layer security (TLS) version 1 protocol. |
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows XP [desktop apps only] |
| Minimum supported server |
Windows Server 2003 [desktop apps only] |
| Header |
|
See also