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v/vlib/crypto/ed25519/examples/example.v
2022-05-13 06:56:21 +03:00

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V

module main
import encoding.hex
import encoding.base64
import crypto.ed25519
// adapted from https://asecuritysite.com/signatures/ed25519
fn main() {
msg := 'Hello Girl'
publ, priv := ed25519.generate_key()?
m := msg.bytes()
sig := ed25519.sign(priv, m)?
println('=== Message ===')
println('Msg: $msg \nHash: $m')
println('=== Public key ===')
println('Public key (Hex): ${hex.encode(publ)}')
println(' Public key (Base64): ${base64.encode(publ)}')
println('=== Private key ===')
println('Private key: $priv.seed().hex()') // priv[0:32]
println(' Private key (Base64): ${base64.encode(priv.seed())}') // priv[0:32]
println(' Private key (Base64) Full key: ${base64.encode(priv)}')
println(' Private key (Full key in Hex): ${hex.encode(priv)}')
println('=== signature (R,s) ===')
println('signature: R=${sig[0..32].hex()} s=${sig[32..64].hex()}')
println(' signature (Base64)=${base64.encode(sig)}')
rtn := ed25519.verify(publ, m, sig)?
if rtn {
println('Signature verified :$rtn')
} else {
println('signature does not verify :${!rtn}')
}
}