Add readme.md to describe the PKCS7 certificate generation. Cc: Yonghong Zhu <yonghong....@intel.com> Cc: Liming Gao <liming....@intel.com> Cc: Michael D Kinney <michael.d.kin...@intel.com> Cc: Qin Long <qin.l...@intel.com> Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Jiewen Yao <jiewen....@intel.com> --- BaseTools/Source/Python/Pkcs7Sign/Readme.md | 84 ++++++++++++++++++++ 1 file changed, 84 insertions(+)
diff --git a/BaseTools/Source/Python/Pkcs7Sign/Readme.md b/BaseTools/Source/Python/Pkcs7Sign/Readme.md new file mode 100644 index 0000000..39bd342 --- /dev/null +++ b/BaseTools/Source/Python/Pkcs7Sign/Readme.md @@ -0,0 +1,84 @@ +# Step by step to generate PKCS7 certificate chain + +This readme provides some samples to generate PKCS7 certificate chain step by step. + +## How to generate PKCS7 certificate chain via OPENSSL +* Set OPENSSL environment. + +NOTE: Below steps are required for Windows. Linux may already have the OPENSSL environment correctly. + + set OPENSSL_HOME=c:\home\openssl\openssl-[version] + set OPENSSL_CONF=%OPENSSL_HOME%\apps\openssl.cnf + +When a user uses OpenSSL (req or ca command) to generate the certificates, OpenSSL will use the openssl.cnf file as the configuration data (can use “-config path/to/openssl.cnf” to describe the specific config file). + +The user need check the openssl.cnf file, to find your CA path setting, e.g. check if the path exists in [ CA_default ] section. + + [ CA_default ] + dir = ./demoCA # Where everything is kept + +You may need the following steps for initialization: + + rd ./demoCA /S/Q + mkdir ./demoCA + echo "" > ./demoCA/index.txt + echo 01 > ./demoCA/serial + mkdir ./demoCA/newcerts + +* Generate the certificate chain: + +NOTE: User MUST set a UNIQUE "Common Name" on the different certificate + +1) Test Root CA certificate: + +Generate key: + + openssl genrsa -aes256 -out TestRoot.key 2048 + +Generate certificate: + + openssl req -new -x509 -days 3650 -key TestRoot.key -out TestRoot.crt + openssl x509 -in TestRoot.crt -out TestRoot.cer -outform DER + openssl x509 -inform DER -in TestRoot.cer -outform PEM -out TestRoot.pub.pem + +2) Test Sub certificate: + +Generate key: + + openssl genrsa -aes256 -out TestSub.key 2048 + +Generate certificate: + + openssl req -new -days 3650 -key TestSub.key -out TestSub.csr + openssl ca -extensions v3_ca -in TestSub.csr -days 3650 -out TestSub.crt -cert TestRoot.crt -keyfile TestRoot.key + openssl x509 -in TestSub.crt -out TestSub.cer -outform DER + openssl x509 -inform DER -in TestSub.cer -outform PEM -out TestSub.pub.pem + +3) Test user certificate: + +Generate key: + + openssl genrsa -aes256 -out TestCert.key 2048 + +Generate certificate: + + openssl req -new -days 3650 -key TestCert.key -out TestCert.csr + openssl ca -in TestCert.csr -days 3650 -out TestCert.crt -cert TestSub.crt -keyfile TestSub.key` + openssl x509 -in TestCert.crt -out TestCert.cer -outform DER + openssl x509 -inform DER -in TestCert.cer -outform PEM -out TestCert.pub.pem + +Convert Key and Certificate for signing (password is removed here via "-nodes") + + openssl pkcs12 -export -out TestCert.pfx -inkey TestCert.key -in TestCert.crt + openssl pkcs12 -in TestCert.pfx -nodes -out TestCert.pem + +* Verify + +1) Sign: + + openssl smime -sign -binary -signer TestCert.pem -outform DER -md sha256 -certfile TestSub.pub.pem -out test.bin.p7 -in test.bin + +2) Verify: + + openssl smime -verify -inform DER -in test.bin.p7 -content test.bin -CAfile TestRoot.pub.pem -out test.org.bin + -- 2.7.4.windows.1 _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel
