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csobankesmarki/openssl.ecdsa

Created November 2, 2021 18:56
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OpenSSL ECDSA commands
Raw
openssl.ecdsa
Create private key:
openssl ecparam -genkey -name prime256v1 -noout -out ecdsa256.pem
Create public key:
openssl ec -in ecdsa256.pem -pubout -out ecdsa256.pub
Sign something
openssl dgst -sha256 -sign ecdsa256.pem -out youranyfile.sig256 youranyfile
To verify:
openssl dgst -sha256 -verify ecdsa256.pub -signature youranyfile.sig256 youranyfile
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