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v/vlib/crypto/ed25519/internal/ed25519_test.v

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module main
// Note: this should be in vlib/crypto/ed25519/ed25519_test.v
// but is currently one folder below, because of a V parser/symbol registration bug.
// TODO: move this test back to vlib/crypto/ed25519/ed25519_test.v
import os
import sync.pool
import encoding.hex
import crypto.ed25519
const vexe = os.getenv('VEXE')
const vroot = os.dir(vexe)
const testdata = os.join_path(vroot, 'vlib/crypto/ed25519/testdata')
const contents = os.read_lines(os.join_path(testdata, 'sign.input')) or { panic(err) }
/*
struct ZeroReader {}
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fn (z ZeroReader) read(mut buf []u8) ?int {
for i, _ in buf {
buf[i] = 0
}
return buf.len
}
*/
fn test_sign_verify() {
// mut zero := ZeroReader{}
public, private := ed25519.generate_key()!
message := 'test message'.bytes()
sig := ed25519.sign(private, message)!
res := ed25519.verify(public, message, sig) or { false }
assert res == true
wrongmessage := 'wrong message'.bytes()
res2 := ed25519.verify(public, wrongmessage, sig)!
assert res2 == false
}
fn test_equal() {
public, private := ed25519.generate_key()!
assert public.equal(public) == true
// This is not AVAILABLE
/*
if !public.Equal(crypto.Signer(private).Public()) {
t.Errorf("private.Public() is not Equal to public: %q", public)
}*/
assert private.equal(private) == true
otherpub, otherpriv := ed25519.generate_key()!
assert public.equal(otherpub) == false
assert private.equal(otherpriv) == false
}
fn test_malleability() {
// https://tools.ietf.org/html/rfc8032#section-5.1.7 adds an additional test
// that s be in [0, order). This prevents someone from adding a multiple of
// order to s and obtaining a second valid signature for the same message.
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msg := [u8(0x54), 0x65, 0x73, 0x74]
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sig := [u8(0x7c), 0x38, 0xe0, 0x26, 0xf2, 0x9e, 0x14, 0xaa, 0xbd, 0x05, 0x9a, 0x0f, 0x2d, 0xb8,
0xb0, 0xcd, 0x78, 0x30, 0x40, 0x60, 0x9a, 0x8b, 0xe6, 0x84, 0xdb, 0x12, 0xf8, 0x2a, 0x27,
0x77, 0x4a, 0xb0, 0x67, 0x65, 0x4b, 0xce, 0x38, 0x32, 0xc2, 0xd7, 0x6f, 0x8f, 0x6f, 0x5d,
0xaf, 0xc0, 0x8d, 0x93, 0x39, 0xd4, 0xee, 0xf6, 0x76, 0x57, 0x33, 0x36, 0xa5, 0xc5, 0x1e,
0xb6, 0xf9, 0x46, 0xb3, 0x1d]
publickey := [u8(0x7d), 0x4d, 0x0e, 0x7f, 0x61, 0x53, 0xa6, 0x9b, 0x62, 0x42, 0xb5, 0x22, 0xab,
0xbe, 0xe6, 0x85, 0xfd, 0xa4, 0x42, 0x0f, 0x88, 0x34, 0xb1, 0x08, 0xc3, 0xbd, 0xae, 0x36,
0x9e, 0xf5, 0x49, 0xfa]
// verify should fail on provided bytes
res := ed25519.verify(publickey, msg, sig) or { false }
assert res == false
}
fn works_check_on_sign_input_string(item string) bool {
// this is core part of the tests sign input
parts := item.split(':') // []string
if parts.len != 5 {
return false
}
// assert parts.len == 5
privbytes := hex.decode(parts[0]) or { panic(err) }
pubkey := hex.decode(parts[1]) or { panic(err) }
msg := hex.decode(parts[2]) or { panic(err) }
mut sig := hex.decode(parts[3]) or { panic(err) }
if pubkey.len != ed25519.public_key_size {
return false
}
// assert pubkey.len == public_key_size
sig = sig[..ed25519.signature_size]
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mut priv := []u8{len: ed25519.private_key_size}
copy(mut priv[..], privbytes)
copy(mut priv[32..], pubkey)
sig2 := ed25519.sign(priv[..], msg) or { panic(err) }
if sig != sig2[..] {
return false
}
res := ed25519.verify(pubkey, msg, sig2) or { panic(err) }
// assert res == true
if !res {
return false
}
priv2 := ed25519.new_key_from_seed(priv[..32])
if ed25519.PrivateKey(priv[..]) != priv2 {
return false
}
pubkey2 := priv2.public_key()
if ed25519.PublicKey(pubkey) != pubkey2 {
return false
}
seed2 := priv2.seed()
if priv[0..32] != seed2 {
return false
}
return true
}
fn worker_for_string_content(p &pool.PoolProcessor, idx int, worker_id int) &SignResult {
item := p.get_item<string>(idx)
// println('worker_s worker_id: $worker_id | idx: $idx ')
res := works_check_on_sign_input_string(item)
mut sr := &SignResult{
item: item
result: res
}
return sr
}
pub struct SignResult {
mut:
item string
result bool
}
// This test read a lot of entries in `testdata/sign.input`
// so, maybe need a long time to finish.
// be quiet and patient
fn test_input_from_djb_ed25519_crypto_sign_input_with_syncpool() {
// contents := os.read_lines('testdata/sign.input') or { panic(err) } //[]string
mut pool_s := pool.new_pool_processor(
callback: worker_for_string_content
maxjobs: 4
)
pool_s.work_on_items<string>(contents)
for i, x in pool_s.get_results<SignResult>() {
// println("i: $i = $x.result")
assert x.result == true
}
}
// same as above, but without sync.pool
/*
fn test_input_from_djb_ed25519_crypto_sign_input_without_syncpool() ? {
// contents := os.read_lines('testdata/sign.input') or { panic(err) } //[]string
for i, item in ed25519.contents {
parts := item.split(':') // []string
// println(parts)
/*
if parts.len != 5 {
lg.fatal('not contains len 5')
}*/
assert parts.len == 5
privbytes := hex.decode(parts[0])!
pubkey := hex.decode(parts[1])!
msg := hex.decode(parts[2])!
mut sig := hex.decode(parts[3])!
assert pubkey.len == public_key_size
sig = sig[..signature_size]
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mut priv := []u8{len: ed25519.private_key_size}
copy(mut priv[..], privbytes)
copy(mut priv[32..], pubkey)
sig2 := ed25519.sign(priv[..], msg)!
assert sig == sig2[..]
res := ed25519.verify(pubkey, msg, sig2)!
assert res == true
priv2 := new_key_from_seed(priv[..32])
assert priv[..] == priv2
pubkey2 := priv2.public_key()
assert pubkey == pubkey2
seed2 := priv2.seed()
assert priv[0..32] == seed2
}
}*/