RSA-PSS(7ssl) OpenSSL RSA-PSS(7ssl) RSA-PSS - RSA-PSS EVP_PKEY RSA-PSS EVP_PKEY RSA PSS . . RSA . RSA PSS. : SHA256 MGF1 SHA256 32 MGF1 SHA256 SHA256 32 . . RFC4055. PKCS#8 RSA-PSS RSA OID id-RSASSA-PSS . RFC 4055 EVP_PKEY_CTX_set_rsa_pss_keygen_md(3) EVP_PKEY_CTX_set_rsa_pss_keygen_mgf1_md(3) EVP_PKEY_CTX_set_rsa_pss_keygen_saltlen(3) EVP_PKEY_CTX_new(3) EVP_PKEY_CTX_ctrl_str(3) EVP_PKEY_derive(3) 2017-2018 OpenSSL. . Apache 2.0 ( ""). . LICENSE . 3 . . : . 3.6.2 7 2026 RSA-PSS(7ssl)