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Predefined Constants
Purpose checking flags
Padding flags for asymmetric encryption
Key types
PKCS7 Flags/Constants
CMS Flags/Constants
Digest Algorithms
Ciphers
Version constants
Server Name Indication constants
Other Constants
Ciphers
Server Name Indication constants
Predefined Constants
Last updated: Mon, 26 Oct 2026
Version constants
OPENSSL_VERSION_TEXT
(
string
)
OPENSSL_VERSION_NUMBER
(
int
)
Ciphers
Server Name Indication constants
Predefined Constants
Last updated: Mon, 26 Oct 2026