Do this every time you encrypt a file. Use a new keyevery time! Encrypt the file with the random key Use the following command to encrypt the large file with the random key: openssl enc -aes-256-cbc -salt -in largefile.pdf -out largefile.pdf.enc -pass file:./bin.key 1. The file...
-rand val Load the file(s) into the random number generator -writerand outfile Write random data to the specified file -passout val Output file pass phrase source -* Encrypt the output with any supported cipher -engine val Use engine, possibly a hardware device -primes +int Specify number ...
-verify verify with public key //使用公钥认证签名 -encrypt encrypt with public key //使用公钥加密 -decrypt decrypt with private key //使用私钥解密 -hexdump hex dump output //以16进制dump输出 -engine e use engine e, possibly a hardware device. //指定三方库或者硬件设备 -passin arg pass phr...
openssl rsautl -encrypt -inkey publickey.pem -pubin -inkey.bin -outkey.bin.enc 1 You can safely send thekey.bin.encand thelargefile.pdf.encto the other party. You might want to sign the two files with your public key as well. Decrypt the random key with our private key file If yo...
zblog报错:openssl_public_encrypt(): Don't know how to get public key from this private key。 把报错提示翻译成中文是:openssl函数报错:不知道如何从这个私钥获得公钥。 主机没有打开openssl模块导致的,开启openssl即可解决。 扫码添加技术【解决问题】 ...
openssl rsa-inrsa.private-out rsa.public-pubout-outformPEM 同样的道理,执行上述指令将会在当前目录中生成一个 rsa.public 文件。文件内容就是公钥。 windows OpenSSL也提供了windows下的安装包。同样需要在cmd命令行执行下面的指令。生成的步骤和方法与Linux下相同。我们不过多赘述。下面是两条指令,按顺序执行就可...
encrypt PEM output with cbc aes (使用aes加密算法加密RSA密钥对) -out file output the key to 'file(输出密钥对文件) -passout arg output file pass phrase source (输出密钥文件的口令) -f4 use F4 (0x10001) for the E value (使用F4作为公钥的E参数,默认为该选项) ...
public static final String PRIVATE_KEY_FILE = "D:/rsa/pkcs8_priv.pem"; /** * String to hold name of the public key file. */ public static final String PUBLIC_KEY_FILE = "D:/rsa/public.key"; /** * Encrypt the plain text using public key. ...
How to encrypt a file using a RSA public key? 怎样用RSA公钥加密文件? First you create a RSA private key / 首先制作一个RSA私钥: openssl genpkey -algorithm rsa -pkeyopt rsa_keygen_opts:2048 -out private.key Argument explain / 参数解释: ...
Signing data with the RSA algorithm Step1. Create private/public keypair (optional) openssl genrsa -out private.pem 1024 >private.pem 1. This creates a key file called private.pem. This file actually have both the private and public keys, so you should extract the public one from this fi...