pessoal, estou tentando descriptografar arquivo em excel, não tenho muita experiência no tema, só gostaria de saber se estou no caminho correto:
estou tentando ferramentas online para descriptografar, tipo essa: http://aesencryption.net/
peguei o excel e abri no 7-zip, as informações de encriptação que aparecem são o seguinte:
@ <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<encryption xmlns="http://schemas.microsoft.com/office/2006/encryption" xmlns:p="http://schemas.microsoft.com/office/2006/keyEncryptor/password" xmlns:c="http://schemas.microsoft.com/office/2006/keyEncryptor/certificate">
<keyData saltSize="16" blockSize="16" keyBits="256" hashSize="64" cipherAlgorithm="AES" cipherChaining="ChainingModeCBC" hashAlgorithm="SHA512" saltValue="ofEuF0n+x2JMlL5z15M/Xg=="/>
<dataIntegrity encryptedHmacKey="gPwZcbSA775kuHwgNSVdtSkgeHx+wL7MYZVLCY+hWMF7CK57/qI7GDX6R7msRvdUvJWMqBZ9rFRWKk9T2oqnTA==" encryptedHmacValue="II5JGy0Dcii9kLYVFNXRa04alcSMAC6F0UKkUQaAHcFlN8tkwmR9a5WizLmhi20R3Y/pP8NoCW7KvsuClkvR3g=="/>
<keyEncryptors><keyEncryptor uri="http://schemas.microsoft.com/office/2006/keyEncryptor/password">
<p:encryptedKey spinCount="100000" saltSize="16" blockSize="16" keyBits="256" hashSize="64" cipherAlgorithm="AES" cipherChaining="ChainingModeCBC" hashAlgorithm="SHA512" saltValue="5v2i25BQE0Y0ub2hIRZjPQ==" encryptedVerifierHashInput="1xNpjwKw5TeYOk+LMI28xA==" encryptedVerifierHashValue="3pz+EUUDQ8K+fcqwcDHeiYYV82n6N2r41QEm+CtQPMX13Tj871RGpGqM9+uuJuPTVHrdorBEO0l8FzwqoSL2UA==" encryptedKeyValue="BX37mEq5Jf+2qG1RNDJ+lu745lsmSpCRt/U/QbDT64s="/></keyEncryptor></keyEncryptors></encryption>
hashAlgorithm="SHA512"
saltValue="ofEuF0n+x2JMlL5z15M/Xg=="
encryptedHmacKey="gPwZcbSA775kuHwgNSVdtSkgeHx+wL7MYZVLCY+hWMF7CK57/qI7GDX6R7msRvdUvJWMqBZ9rFRWKk9T2oqnTA=="
encryptedHmacValue="II5JGy0Dcii9kLYVFNXRa04alcSMAC6F0UKkUQaAHcFlN8tkwmR9a5WizLmhi20R3Y/pP8NoCW7KvsuClkvR3g=="
hashAlgorithm="SHA512"
saltValue="5v2i25BQE0Y0ub2hIRZjPQ=="
encryptedVerifierHashInput="1xNpjwKw5TeYOk+LMI28xA=="
encryptedVerifierHashValue="3pz+EUUDQ8K+fcqwcDHeiYYV82n6N2r41QEm+CtQPMX13Tj871RGpGqM9+uuJuPTVHrdorBEO0l8FzwqoSL2UA==encryptedKeyValue="BX37mEq5Jf+2qG1RNDJ+lu745lsmSpCRt/U/QbDT64s="
Copiei em negrito o que considero mais importante, mas não consegui transformar em plaintext nenhum desses textos que destaquei =/ posso estar fazendo errado, alguém pode me ajudar? é realmente importante...
Obrigado desde já!!