==== clean ==== rm -f a.out [Ee]rrs mklog *.core y.tab.h *.pem *.serial *.txt *.attr *.old stamp-clean stamp-root.serial stamp-intermediate.serial stamp-root.txt stamp-intermediate.txt ==== root.serial ==== echo 1000 >root.serial ==== intermediate.serial ==== echo 1000 >intermediate.serial ==== root.txt ==== true >root.txt ==== intermediate.txt ==== true >intermediate.txt ==== run-verify-intermediate ==== # generate root rsa 4096 key openssl genrsa -out root.key.pem 4096 Generating RSA private key, 4096 bit long modulus ............................................ .................................... e is 65537 (0x010001) # generate root cert openssl req -batch -config /home/src/regress/lib/libcrypto/CA/root.cnf -key root.key.pem -new -x509 -days 365 -sha256 -extensions v3_ca -out root.cert.pem # generate intermediate rsa 2048 key openssl genrsa -out intermediate.key.pem 2048 Generating RSA private key, 2048 bit long modulus .............. ......... e is 65537 (0x010001) # generate intermediate req openssl req -batch -config /home/src/regress/lib/libcrypto/CA/intermediate.cnf -new -sha256 -key intermediate.key.pem -out intermediate.csr.pem # sign intermediate openssl ca -batch -config /home/src/regress/lib/libcrypto/CA/root.cnf -extensions v3_intermediate_ca -days 10 -notext -md sha256 -in intermediate.csr.pem -out intermediate.cert.pem Using configuration from /home/src/regress/lib/libcrypto/CA/root.cnf Check that the request matches the signature Signature ok Certificate Details: Serial Number: 4096 (0x1000) Validity Not Before: Jun 28 00:42:40 2025 GMT Not After : Jul 8 00:42:40 2025 GMT Subject: countryName = CA stateOrProvinceName = Alberta organizationName = OpenBSD organizationalUnitName = So and Sos commonName = Regress Intermediate CA emailAddress = evilsoandsos@openbsd.org X509v3 extensions: X509v3 Subject Key Identifier: 61:00:BD:AD:E1:8A:B9:D1:F4:0B:68:8B:C0:15:55:57:EC:59:26:11 X509v3 Authority Key Identifier: keyid:73:A7:0D:45:D1:D5:73:4D:ED:37:BB:5C:E7:1F:40:F6:90:C5:FE:37 X509v3 Basic Constraints: critical CA:TRUE, pathlen:0 X509v3 Key Usage: critical Digital Signature, Certificate Sign, CRL Sign X509v3 Name Constraints: critical Permitted: DNS:.openbsd.org DNS:client email:openbsd.org email:@test.openbsd.org URI:.openbsd.org DirName: C = CA, O = OpenBSD othername: Excluded: IP:0.0.0.0/0.0.0.0 IP:0:0:0:0:0:0:0:0/0:0:0:0:0:0:0:0 Certificate is to be certified until Jul 8 00:42:40 2025 GMT (10 days) Write out database with 1 new entries Data Base Updated # validate intermediate CA openssl verify -CAfile root.cert.pem intermediate.cert.pem intermediate.cert.pem: OK ==== run-verify-server ==== cat intermediate.cert.pem root.cert.pem > chain.pem # genrsa server openssl genrsa -out server.key.pem 2048 Generating RSA private key, 2048 bit long modulus ...................................... .............................................................................................................................................................. e is 65537 (0x010001) # server req openssl req -batch -config /home/src/regress/lib/libcrypto/CA/intermediate.cnf -new -sha256 -subj '/CN=server.openbsd.org/OU=So and Sos/O=OpenBSD/C=CA' -key server.key.pem -out server.csr.pem # server sign openssl ca -batch -config /home/src/regress/lib/libcrypto/CA/intermediate.cnf -extensions server_cert -days 5 -notext -md sha256 -in server.csr.pem -out server.cert.pem Using configuration from /home/src/regress/lib/libcrypto/CA/intermediate.cnf Check that the request matches the signature Signature ok Certificate Details: Serial Number: 4096 (0x1000) Validity Not Before: Jun 28 00:42:43 2025 GMT Not After : Jul 3 00:42:43 2025 GMT Subject: countryName = CA organizationName = OpenBSD organizationalUnitName = So and Sos commonName = server.openbsd.org X509v3 extensions: X509v3 Basic Constraints: CA:FALSE Netscape Cert Type: SSL Server Netscape Comment: OpenSSL Generated Server Certificate X509v3 Subject Key Identifier: 2C:43:11:67:C5:1E:10:D1:F7:05:A7:8C:04:7D:C8:9F:4B:88:CB:6B X509v3 Authority Key Identifier: keyid:61:00:BD:AD:E1:8A:B9:D1:F4:0B:68:8B:C0:15:55:57:EC:59:26:11 DirName:/C=CA/ST=Alberta/L=Edmonton/O=OpenBSD/OU=So and Sos/CN=Regress Root CA/emailAddress=evilsoandsos@openbsd.org serial:10:00 X509v3 Key Usage: critical Digital Signature, Key Encipherment X509v3 Extended Key Usage: TLS Web Server Authentication Certificate is to be certified until Jul 3 00:42:43 2025 GMT (5 days) Write out database with 1 new entries Data Base Updated # validate server cert openssl verify -purpose sslserver -CAfile chain.pem server.cert.pem server.cert.pem: OK ==== run-verify-client ==== # genrsa client openssl genrsa -out client.key.pem 2048 Generating RSA private key, 2048 bit long modulus .................................... ............................. e is 65537 (0x010001) # client req openssl req -batch -config /home/src/regress/lib/libcrypto/CA/intermediate.cnf -new -sha256 -subj '/CN=client/OU=So and Sos/O=OpenBSD/C=CA' -key client.key.pem -out client.csr.pem # client sign openssl ca -batch -config /home/src/regress/lib/libcrypto/CA/intermediate.cnf -extensions usr_cert -days 5 -notext -md sha256 -in client.csr.pem -out client.cert.pem Using configuration from /home/src/regress/lib/libcrypto/CA/intermediate.cnf Check that the request matches the signature Signature ok Certificate Details: Serial Number: 4097 (0x1001) Validity Not Before: Jun 28 00:42:45 2025 GMT Not After : Jul 3 00:42:45 2025 GMT Subject: countryName = CA organizationName = OpenBSD organizationalUnitName = So and Sos commonName = client X509v3 extensions: X509v3 Basic Constraints: CA:FALSE Netscape Cert Type: SSL Client, S/MIME Netscape Comment: OpenSSL Generated Client Certificate X509v3 Subject Key Identifier: 10:42:AA:9B:84:34:39:A8:60:E3:30:F0:F4:F4:08:9B:08:39:6B:2C X509v3 Authority Key Identifier: keyid:61:00:BD:AD:E1:8A:B9:D1:F4:0B:68:8B:C0:15:55:57:EC:59:26:11 X509v3 Key Usage: critical Digital Signature, Non Repudiation, Key Encipherment X509v3 Extended Key Usage: TLS Web Client Authentication, E-mail Protection X509v3 Subject Alternative Name: critical email:evilsoandsos@test.openbsd.org Certificate is to be certified until Jul 3 00:42:45 2025 GMT (5 days) Write out database with 1 new entries Data Base Updated # validate client cert openssl verify -purpose sslclient -CAfile chain.pem client.cert.pem client.cert.pem: OK