Created
May 27, 2025 17:21
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Decifrar o hash SHA256 de uma string contendo apenas números.
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import hashlib | |
# Gerar a string hexadecimal do hash SHA256 | |
# a partir de um texto de entrada | |
def gerar_hex(texto:str): | |
hash_obj = hashlib.sha256(texto.encode('utf-8')) | |
hex = hash_obj.hexdigest() | |
return hex | |
# Função que tenta decifrar o hash | |
def numeros_apenas(hex_alvo:str, algarismos: int): | |
# O loop termina ao atingir esse numero | |
numero_maximo = (10**algarismos)-1 | |
for i in range (0, numero_maximo): | |
texto = f"{i}" | |
hash_obj = hashlib.sha256(texto.encode('utf-8')) | |
hex = hash_obj.hexdigest() | |
print(f"{i} : {hex}") | |
if hex==hex_alvo: | |
print(f"Valor encontrado: {i}") | |
break | |
# Teste | |
def teste1(): | |
numero_alvo = 54321 | |
hex_alvo = gerar_hex(f"{numero_alvo}") | |
algarismos = len(f"{numero_alvo}") | |
numeros_apenas(hex_alvo,algarismos) | |
if __name__ == "__main__": | |
teste1() |
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