Signature Algorithms

OPENSSL_ALGO_DSS1 (integer)

OPENSSL_ALGO_SHA1 (integer)

Used as default algorithm by openssl_sign() and openssl_verify().

OPENSSL_ALGO_MD5 (integer)

OPENSSL_ALGO_MD4 (integer)

OPENSSL_ALGO_MD2 (integer)

Note: These constants were added in 5.0.0.