OPENSSL-RSA(1ssl) OpenSSL OPENSSL-RSA(1ssl) openssl-rsa - RSA openssl rsa [-help] [-inform DER|PEM|P12|ENGINE] [-outform DER|PEM] [-in filename|uri] [-passin arg] [-out filename] [-passout arg] [-aes128] [-aes192] [-aes256] [-aria128] [-aria192] [-aria256] [-camellia128] [-camellia192] [-camellia256] [-des] [-des3] [-idea] [-text] [-noout] [-modulus] [-traditional] [-check] [-pubin] [-pubout] [-RSAPublicKey_in] [-RSAPublicKey_out] [-pvk-strong] [-pvk-weak] [-pvk-none] [-engine id] [-provider name] [-provider-path path] [-provparam [name:]key=value] [-propquery propq] RSA. . -help . -inform DER|PEM|P12|ENGINE . openssl-format-options(1) . -outform DER|PEM PEM. openssl-format-options(1) . -traditional PKCS#1 PKCS#8. -in _|_ . . -passin -passout . arg openssl-passphrase-options(1). -out _ . . . -aes128 -aes192 -aes256 -aria128 -aria192 -aria256 -camellia128 -camellia192 -camellia256 -des -des3 -idea . . . . PEM. -text . -noout . -modulus (modulus) . -check RSA . -pubin . . . -pubout : . . -RSAPublicKey_in -RSAPublicKey_out -pubin -pubout RSAPublicKey . -pvk-strong PVK '' (). -pvk-weak PVK ''. -pvk-none PVK. -engine id " " openssl(1). . -provider -provider-path -provparam [:]= -propquery propq " " openssl(1) provider(7) property(7). openssl-pkey(1) . openssl-pkey(1) . RSA : openssl rsa -in key.pem -out keyout.pem DES : openssl rsa -in key.pem -des3 -out keyout.pem PEM DER: openssl rsa -in key.pem -outform DER -out keyout.der : openssl rsa -in key.pem -text -noout : openssl rsa -in key.pem -pubout -out pubkey.pem RSAPublicKey: openssl rsa -in key.pem -RSAPublicKey_out -out pubkey.pem .key . openssl(1) openssl-pkey(1) openssl-pkcs8(1) openssl-dsa(1) openssl-genrsa(1) openssl-gendsa(1) -engine OpenSSL 3.0. 2000-2023 OpenSSL. . Apache 2.0 ( ""). . LICENSE . 3 . . : . 3.6.2 7 2026 OPENSSL-RSA(1ssl)