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Openssl
1.
Adam Moravcik
2.
cybrary.it/course/cryptography/ pluralsight.com/library/courses/cryptography-big-picture
3.
http://cmder.net https://slproweb.com/products/Win32OpenSSL.html
4.
• SHA-2 https://en.wikipedia.org/wiki/SHA-2 • RSA
Ron Rivest Adi Shamir LeonardAdleman https://simple.wikipedia.org/wiki/RSA_(algorithm) • AES https://en.wikipedia.org/wiki/Advanced_Encryption_Standard
5.
6.
7.
8.
9.
openssl.org msdn.microsoft.com/en-us/library/aa380256.aspx developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS
10.
11.
https://wiki.openssl.org/index.php/Manual:Dgst(1)
12.
openssl dgst -sha512
my_file.txt
13.
openssl passwd -1
-salt thisismysalt123ThePassword1234567890
14.
openssl genrsa -out
private.pem openssl rsa -in private.pem -outform PEM -pubout -out public.pem openssl dgst -sha512 -sign private.pem -out signature.sign my_file.txt openssl dgst -sha512 -verify public.pem -signature signature.sign my_file.txt
15.
16.
openssl aes-256-cbc -e
-in my_file.txt -out my_file_encrypted.enc openssl aes-256-cbc -d -in my_file_encrypted.enc -out my_file_DEcrypted.txt
17.
18.
19.
20.
openssl rand -base64
128 -out key.bin openssl enc -aes-256-cbc -salt -in my_file.txt -out my_file.txt.enc -pass file:./key.bin openssl rsautl -encrypt -inkey public.pem -pubin -in key.bin -out key.bin.enc openssl rsautl -decrypt -inkey private.pem -in key.bin.enc -out decrypted_key.bin openssl enc -d -aes-256-cbc -in my_file.txt.enc -out decrypted_my_file.txt -pass file:./decrypted_key.bin
21.
22.
23.
24.
25.
https://wiki.openssl.org/index.php/Manual:Genrsa(1)
26.
openssl genrsa -aes256
-out private.pem
27.
openssl genrsa -out
private1.pem
28.
https://wiki.openssl.org/index.php/Manual:Rsa(1)
29.
openssl rsa -in
private.pem -outform PEM -pubout -out public.pem
30.
openssl rsa -in
private.pem -out private_unencrypted.pem -outform PEM
31.
https://wiki.openssl.org/index.php/Manual:Req(1)
32.
openssl req -new
-sha256 -key private_key.pem -out request_to_sign_by_ca.csr
33.
openssl req -noout
-text -in request_to_sign_by_ca.csr
34.
openssl req -x509
-newkey rsa:2048 -keyout private_key.pem -out cert.cer -days 365 openssl req -x509 -newkey rsa:2048 -keyout private_key.pem -out cert.cer -days 365 -nodes
35.
36.
https://wiki.openssl.org/index.php/Manual:X509(1)
37.
openssl genrsa -out
MyRootCA.key 2048 openssl req -x509 -new -nodes -key MyRootCA.key -sha256 -days 1024 -out MyRootCA.pem openssl x509 -outform der -in MyRootCA.pem -out MyRootCA.crt • Import CA to certificate trusted Root certs
38.
39.
openssl genrsa -out
MyClient1.key 2048 openssl req -new -key MyClient1.key -out MyClient1.csr openssl x509 -req -in MyClient1.csr -CA MyRootCA.pem -CAkey MyRootCA.key -CAcreateserial -out MyClient1.pem -days 1024 -sha256 openssl x509 -outform der -in MyClient1.pem -out MyClient1.crt
40.
41.
42.
openssl x509 -noout
-text -in device.crt
43.
44.
45.
openssl genrsa -out
MyClient1.key 2048 openssl req -new -key MyClient1.key -sha512 -nodes -out MyClient1.csr -config req.cfg openssl x509 -req -in MyClient1.csr -CA MyRootCA.pem -CAkey MyRootCA.key -out MyClient1.pem -days 1024 -sha512 -extfile req.cfg -extensions req_ext openssl x509 -outform der -in MyClient1.pem -out MyClient1.crt openssl pkcs12 -export -out example.com.pfx -inkey MyClient1.key -in MyClient1.pem
46.
47.
openssl genrsa -out
MyClient2.key 2048 openssl req -new -key MyClient2.key -sha512 -nodes -out MyClient2.csr openssl x509 -req -in MyClient2.csr -CA MyRootCA.pem -CAkey MyRootCA.key -out MyClient2.pem -days 1024 -sha512 openssl x509 -outform der -in MyClient2.pem -out MyClient2.crt openssl pkcs12 -export -out amvc.pfx -inkey MyClient2.key -in MyClient2.pem
Editor's Notes
Create cfg file [ req ] distinguished_name = req_distinguished_name req_extensions = req_ext [ req_distinguished_name ] commonName = Common Name (e.g. server FQDN or YOUR name) [ req_ext ] subjectAltName = @alt_names [alt_names] DNS.1 = www.example.com DNS.2 = example.com DNS.3 = *.example.com
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