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  • openssl命令

    openssl dgst -verify pub.pem -sha256 -signature sign.txt file.txt  通过公钥pub.pem验证签名文件sign.txt和file.txt

    openssl x509 -in new.crt -pubkey -noout > pubkey.pem 从证书new.crt提取公钥文件pubkey.pem

    openssl base64 -in test.base64 -d -out text.bin 将base64编码文件test.base64转为二进制文件tetx.bin  需要手动在test.base64后添加换行符

    openssl dgst -binary -sha256 -out hash.bin test.tar   计算test.tar包的hash值 (二进制格式)
    openssl base64 -in hash.bin -out hash.base64 计算base64编码

    对csr文件进行签名:

    openssl smime -sign -binary -signer certificat.pem -inkey key.pem -in testCSRfile_to_sign.pem -out testCSRfile_smime.signed -nodetach

    openssl smime -verify -noverify -in testCSRfile_smime.signed -pk7out -out testCSRfile_P7.signed

    openssl pkcs7 -in testCSRfile_P7.signed -out testCSRfile_P7_DER.signed -outform der

    mv testCSRfile_P7_DER.signed PKCS10_testCSRfile.data

    openssl常用命令

    http://man.linuxde.net/openssl

    ECC证书请求文件

    openssl ecparam -name prime256v1 -genkey -out server-ecc.key 生成密钥
    openssl req -new -key server-ecc.key -out server.csr 生成csr请求文件

    从p7b格式证书链提取证书

    openssl pkcs7 -inform der -in consol_p7_MP_ECC_256_18.p7b -out MP_ECC.p7b

    openssl pkcs7 -print_certs -in MP_ECC.p7b -out MP_ECC.cer

    验证证书链

     openssl verify -CAfile MP_RSA_2048_chain.cer -untrusted rsa_sec.cer submp.cer

    MP_RSA_2048_chain二级证书链,有根证书和二级证书

    rsa_sec.cer二级证书

    submp.cer叶子证书

    证书链验证证书

    openssl verify -CAfile  cert.pem test.crt

    cert.pem证书链

    test.crt叶子证书

    ECC证书签名验签

    1 从证书test.cer中获取到公钥信息,将获取到的信息存为public_key.pem

    openssl x509 -noout -pubkey -in test.cer

    2 对t数据进行sha256签名,

    testsign.txt待签名文件,

    test.private私钥,

    sha256.sign签名结果

    openssl dgst -sign test.private -sha256 -out sha256.sign testsign.txt

    3 验证签名

    openssl dgst -verify public_key.pem -sha256 -signature sha256.sign testsign.txt

    查看证书test.crt内容

    openssl x509 -in ./test.crt -text 

     查看key

    openssl rsa -in ./test.key -text

    检测私钥一致性 

    openssl rsa -in test.key -check

    https://www.cnblogs.com/wyzhou/p/9738964.html

    pem文件是用ASCLL(BASE64)编码的

    DER文件是二进制编码

    公钥经过CA签名后可以当作证书

    合成证书链,证书格式需要转化为pem格式

    openssl crl2pkcs7 -inform PEM -certfile rootca.crt -certfile second-platform-ca.crt  -certfile leaf.pem -outform PEM -out root1.p7b -nocrl

    转化p7b文件

    openssl pkcs7 -print_certs -in root1.p7b -out cert1.cer

    验证证书链

    openssl verify -CAfile cert1.cer fourth.pem

    der转化pem
    openssl x509 -inform der -in myserver.der -outform pem -out myserver.pem
    pem转化der
    openssl x509 -inform pem -in myserver.pem -outform der -out myserver.der

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  • 原文地址:https://www.cnblogs.com/meadow/p/8616549.html
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