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generate 2048 bits rsa public private key pair for jwt token
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| jwtkey=/home/jwt/sign/keys | |
| mkdir -p $jwtkey | |
| openssl genrsa -out $jwtkey/rsa-prv.pem 2048 | |
| openssl rsa -in $jwtkey/rsa-prv.pem -pubout > $jwtkey/rsa-pub.pem | |
| # OpenSSL `1.0.2k-fips on 26 Jan 2017` on `CentOS Linux release 7.9.2009 (Core)` gives pkcs#1 with -----BEGIN RSA PRIVATE KEY----- | |
| # OpenSSL `3.0.8 7 Feb 2023 (Library: OpenSSL 3.0.8 7 Feb 2023)` on `Fedora release 38 (Thirty Eight)` gives pkcs#8 with -----BEGIN PRIVATE KEY----- |
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https://gist.github.com/nghiaht/224f7fe04ea591c6d2fddbee6c173379
openssl genpkey -algorithm RSA -out private.pem -pkeyopt rsa_keygen_bits:2048
openssl rsa -pubout -in private.pem -out public_key.pem
The commands give pkcs#8 both with openssl 1.0.2 and openssl 3.0.8.