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md5/00_README.md

Last active December 19, 2015 06:52
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Docker SecureRandom test
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00_README.md

Instructions

$ git clone https://gist.github.com/de5cea7195d757582621.git docker-java-secure_random-test
$ cd docker-java-secure_random-test
$ docker build -t local/java-secure_random-test .
$ docker run --rm -it local/java-secure_random-test
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Dockerfile
FROM java:8
ENV TEST_SRC /usr/src/secure_random-test
RUN mkdir $TEST_SRC
WORKDIR $TEST_SRC
COPY SecureRandomTest.java $TEST_SRC/
RUN javac SecureRandomTest.java
CMD ["java", "-cp", ".", "SecureRandomTest"]
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SecureRandomTest.java
import java.math.BigInteger;
import java.security.SecureRandom;
public class SecureRandomTest {
public static void main(String... argz) throws Exception {
SecureRandom rnd = SecureRandom.getInstance("SHA1PRNG");
byte[] seed = rnd.generateSeed(1024);
System.out.println(new BigInteger(1, seed).toString(16));
}
}
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