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I want get public key from .cer file, but failure. I find this error from Android newest system version, i can get public key in my lower Android system version.

String path = "/Users/mycompute/Projects/Test/src/workspace/mykeychain.cer";
CertificateFactory cf = CertificateFactory.getInstance("X.509");
FileInputStream in = new FileInputStream(path);
Certificate c = cf.generateCertificate(in);
PublicKey pubkey = c.getPublicKey();

in.close();

this code Certificate c = cf.generateCertificate(in); make error

error message:

java.io.IOException: Unknown named curve: 1.2.156.10197.1.301

what should i do?

i want get the file Hex public key.

王煜仁
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  • Does this https://stackoverflow.com/questions/63171510/java-security-cert-certificateparsingexception-java-io-ioexception-unknown-nam help? – Scary Wombat Aug 09 '23 at 02:34

0 Answers0