Ode To Java And The Point At Infinity
Published in
4 min readApr 21, 2022
And so Java is on the naughty step again. Basically, in Java 15, 16, 17 and 18, it allowed a zero value within the r and s values of an ECDSA signature. As it did not check for a zero value, it allowed gave a validate signature identification for a zero value for r and s. Luckily, languages such as Rust, make it plain that the ECDSA method that r and s are non-zero scalar values: