bcryptを20個x10回やるやつ

main.go

package main

import (
	"fmt"
	"golang.org/x/crypto/bcrypt"
)

var hashes = [...][]byte{
	[]byte("$2a$10$Rvrp.PkB.pnvmXkbu7IYvuglQhJ.kAGJG/.rkCgiDbC1JCEyP7Avq"),
	[]byte("$2a$10$mrNWPjlGFqRPbHmzybgJye90m7aUL12f0ZaEmzMBZ2rOfpmba23qO"),
	[]byte("$2a$10$gIdUsTtTLfjmYvqwDtXn5OqJYhc1KJ8om6Bd0U1tXIMg/XBUHl3eC"),
	[]byte("$2a$10$7CmMBfKnT8uhIjzsKM6UNedIl/3j2RoWUF1PS8ffxWEmcqxHTEGVq"),
	[]byte("$2a$10$EFQoyhODmuceu8pvbLh6xuY/7H8c13H1K3RQbbdkN9d6NOtcBYMjW"),
	[]byte("$2a$10$Vlb.G1.FpNJ3WoofH3cUFOVj82JuTDZqqwyw3xue/NcAklfIsr0.K"),
	[]byte("$2a$10$orKV306C4zGufGHakwIHJ.Nmo.F/rWOuCcYwa2KW8m8iwq4lG9n.u"),
	[]byte("$2a$10$LIbJuwpr2SE7kGkPUYFdquoBkC2Zl031lfEYrtqU1kCv0YSeiUnea"),
	[]byte("$2a$10$a3f9VNnWQZEREtxMLY4zHer0cRvVQhfeYSs7zmKzpnZNGYbVzCAjW"),
	[]byte("$2a$10$fp6Yv2caT6iiS2nnVwvfH.wvU4VUaKrIrrE6mlNrYvckudVQCDQSu"),
	[]byte("$2a$10$TG3dc6r3RTEvUwzaAcxv/OmlTyzcEMoBpwxzo/mCDknyTkYXvVLc2"),
	[]byte("$2a$10$2C4XMikdJ8.fcCDnGE5RyOgbnX7PnM32MfLqMjXs.ZNFLNeovvggy"),
	[]byte("$2a$10$vGqBv1S6hc.AcQXrH1L8Lews7KDYp/Yq.Jx8aucBxpcnoH4TpC/1a"),
	[]byte("$2a$10$QSXt7XqC89sXNoAAJ8cBz.j2PmtYeJRdjvSwvaBv5DWs54YRGgVAq"),
	[]byte("$2a$10$Hu3NJf8evtUCP8bk7Jsc3egiqtV3MUREkSozai.wOfX/E86e2Ji8u"),
	[]byte("$2a$10$m0qtpr3YjC4nCWHT9dyRqu6NGpOUg7mD5N8U.zhH6O4jpzX03WDYm"),
	[]byte("$2a$10$5n/BlMBOh8HSIkonvogvYOtjVDAmO4UERUPdMpXaGTmmxcIsW.3ie"),
	[]byte("$2a$10$5oN327Lkz3MYKNPzvHc6jeLhmSbk028nk4xaX.jScjOTsm4v/BBGy"),
	[]byte("$2a$10$1lLx7cahonjUkit4/.hyY.0ZiQ.zPzO8Zrpjon/m/cRYOyfakSXcC"),
	[]byte("$2a$10$RBCpFYfTpRMBOqx8w/OsnOhMgRNgFjAEXDzXcZeeUtYTcJGi3cMpu"),
}

func main() {
	triedPassword := []byte("Utauyo!!MIRACLE")
	errSum := 0
	for i := 0; i < 10; i++ {
		for _, hash := range hashes {
			err := bcrypt.CompareHashAndPassword(hash, triedPassword)
			if err != nil { 
				// NOTE: この書き方だと通常のエラーも取得してしまうように見えるが,このテストケースに対しては正しく2^10回のハッシュ化計算は行われていることは前もって確認済み
				errSum += 1
			}
		}
	}
	fmt.Println(errSum, "times hash calculated")
}

main.py

import bcrypt
hashes = [
    "$2a$10$Rvrp.PkB.pnvmXkbu7IYvuglQhJ.kAGJG/.rkCgiDbC1JCEyP7Avq",
    "$2a$10$mrNWPjlGFqRPbHmzybgJye90m7aUL12f0ZaEmzMBZ2rOfpmba23qO",
    "$2a$10$gIdUsTtTLfjmYvqwDtXn5OqJYhc1KJ8om6Bd0U1tXIMg/XBUHl3eC",
    "$2a$10$7CmMBfKnT8uhIjzsKM6UNedIl/3j2RoWUF1PS8ffxWEmcqxHTEGVq",
    "$2a$10$EFQoyhODmuceu8pvbLh6xuY/7H8c13H1K3RQbbdkN9d6NOtcBYMjW",
    "$2a$10$Vlb.G1.FpNJ3WoofH3cUFOVj82JuTDZqqwyw3xue/NcAklfIsr0.K",
    "$2a$10$orKV306C4zGufGHakwIHJ.Nmo.F/rWOuCcYwa2KW8m8iwq4lG9n.u",
    "$2a$10$LIbJuwpr2SE7kGkPUYFdquoBkC2Zl031lfEYrtqU1kCv0YSeiUnea",
    "$2a$10$a3f9VNnWQZEREtxMLY4zHer0cRvVQhfeYSs7zmKzpnZNGYbVzCAjW",
    "$2a$10$fp6Yv2caT6iiS2nnVwvfH.wvU4VUaKrIrrE6mlNrYvckudVQCDQSu",
    "$2a$10$TG3dc6r3RTEvUwzaAcxv/OmlTyzcEMoBpwxzo/mCDknyTkYXvVLc2",
    "$2a$10$2C4XMikdJ8.fcCDnGE5RyOgbnX7PnM32MfLqMjXs.ZNFLNeovvggy",
    "$2a$10$vGqBv1S6hc.AcQXrH1L8Lews7KDYp/Yq.Jx8aucBxpcnoH4TpC/1a",
    "$2a$10$QSXt7XqC89sXNoAAJ8cBz.j2PmtYeJRdjvSwvaBv5DWs54YRGgVAq",
    "$2a$10$Hu3NJf8evtUCP8bk7Jsc3egiqtV3MUREkSozai.wOfX/E86e2Ji8u",
    "$2a$10$m0qtpr3YjC4nCWHT9dyRqu6NGpOUg7mD5N8U.zhH6O4jpzX03WDYm",
    "$2a$10$5n/BlMBOh8HSIkonvogvYOtjVDAmO4UERUPdMpXaGTmmxcIsW.3ie",
    "$2a$10$5oN327Lkz3MYKNPzvHc6jeLhmSbk028nk4xaX.jScjOTsm4v/BBGy",
    "$2a$10$1lLx7cahonjUkit4/.hyY.0ZiQ.zPzO8Zrpjon/m/cRYOyfakSXcC",
    "$2a$10$RBCpFYfTpRMBOqx8w/OsnOhMgRNgFjAEXDzXcZeeUtYTcJGi3cMpu",
]
tried_password = "Utauyo!!MIRACLE"
err_sum = 0
for i in range(10):
    for hash in hashes:
        if not bcrypt.checkpw(tried_password.encode("utf-8"), hash.encode("utf-8")):
            err_sum += 1
print(err_sum, "times hash calculated")

main.rb

require 'bcrypt'

hashes = [
    "$2a$10$Rvrp.PkB.pnvmXkbu7IYvuglQhJ.kAGJG/.rkCgiDbC1JCEyP7Avq",
    "$2a$10$mrNWPjlGFqRPbHmzybgJye90m7aUL12f0ZaEmzMBZ2rOfpmba23qO",
    "$2a$10$gIdUsTtTLfjmYvqwDtXn5OqJYhc1KJ8om6Bd0U1tXIMg/XBUHl3eC",
    "$2a$10$7CmMBfKnT8uhIjzsKM6UNedIl/3j2RoWUF1PS8ffxWEmcqxHTEGVq",
    "$2a$10$EFQoyhODmuceu8pvbLh6xuY/7H8c13H1K3RQbbdkN9d6NOtcBYMjW",
    "$2a$10$Vlb.G1.FpNJ3WoofH3cUFOVj82JuTDZqqwyw3xue/NcAklfIsr0.K",
    "$2a$10$orKV306C4zGufGHakwIHJ.Nmo.F/rWOuCcYwa2KW8m8iwq4lG9n.u",
    "$2a$10$LIbJuwpr2SE7kGkPUYFdquoBkC2Zl031lfEYrtqU1kCv0YSeiUnea",
    "$2a$10$a3f9VNnWQZEREtxMLY4zHer0cRvVQhfeYSs7zmKzpnZNGYbVzCAjW",
    "$2a$10$fp6Yv2caT6iiS2nnVwvfH.wvU4VUaKrIrrE6mlNrYvckudVQCDQSu",
    "$2a$10$TG3dc6r3RTEvUwzaAcxv/OmlTyzcEMoBpwxzo/mCDknyTkYXvVLc2",
    "$2a$10$2C4XMikdJ8.fcCDnGE5RyOgbnX7PnM32MfLqMjXs.ZNFLNeovvggy",
    "$2a$10$vGqBv1S6hc.AcQXrH1L8Lews7KDYp/Yq.Jx8aucBxpcnoH4TpC/1a",
    "$2a$10$QSXt7XqC89sXNoAAJ8cBz.j2PmtYeJRdjvSwvaBv5DWs54YRGgVAq",
    "$2a$10$Hu3NJf8evtUCP8bk7Jsc3egiqtV3MUREkSozai.wOfX/E86e2Ji8u",
    "$2a$10$m0qtpr3YjC4nCWHT9dyRqu6NGpOUg7mD5N8U.zhH6O4jpzX03WDYm",
    "$2a$10$5n/BlMBOh8HSIkonvogvYOtjVDAmO4UERUPdMpXaGTmmxcIsW.3ie",
    "$2a$10$5oN327Lkz3MYKNPzvHc6jeLhmSbk028nk4xaX.jScjOTsm4v/BBGy",
    "$2a$10$1lLx7cahonjUkit4/.hyY.0ZiQ.zPzO8Zrpjon/m/cRYOyfakSXcC",
    "$2a$10$RBCpFYfTpRMBOqx8w/OsnOhMgRNgFjAEXDzXcZeeUtYTcJGi3cMpu",
]
tried_password = "Utauyo!!MIRACLE"
err_sum = 0
for i in 0..9 do
  for hash in hashes do
    if BCrypt::Password.new(hash) != tried_password
      err_sum += 1
    end
  end
end
p(err_sum, "times hash calculated")