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Re: Recover the password for the bitcoin wallet by using an unencrypted backup
Ive lost my password for bitcoin wallet 
But I have unencrypted backup of the wallet that was made a year ago.
Unfortunately, bitcoins stored on addresses that contained only in ciphered wallet, not in unencrypted backup.
But some addresses are contained both in the encrypted and unencrypted wallet backup
I have idea:
- choose any address that contained in both the ciphered wallet and unencrypted backup
- extract private key for address from unencrypted backup
- extract ciphered private key from ciphered wallet
- compare two extracted strings and get password for the wallet
I have superficial knowledge of cryptography, but this should work
my idea is feasible?
Anyone know about software that can do what I described?
Can anyone create such software for reward?
But I have unencrypted backup of the wallet that was made a year ago.
Unfortunately, bitcoins stored on addresses that contained only in ciphered wallet, not in unencrypted backup.
But some addresses are contained both in the encrypted and unencrypted wallet backup
I have idea:
- choose any address that contained in both the ciphered wallet and unencrypted backup
- extract private key for address from unencrypted backup
- extract ciphered private key from ciphered wallet
- compare two extracted strings and get password for the wallet
I have superficial knowledge of cryptography, but this should work
my idea is feasible?
Anyone know about software that can do what I described?
Can anyone create such software for reward?
You can't do this anyway. Bitcoin Core uses AES. Read here: https://en.wikipedia.org/wiki/Known-plaintext_attack
Thank you! This is the answer for question
Re: Recover the password for the bitcoin wallet by using an unencrypted backup
Try to load you backup wallet first. Bitcoin-qt save up to 100 addressess for future using in the wallet to use in the future, so if you made less then 100 operations you are probably have all used privkeys in the old wallet.
As i know bitcoin-qt encrypt whole wallet not each address independently, so your plan probably not feasible.
As i know bitcoin-qt encrypt whole wallet not each address independently, so your plan probably not feasible.
if you encrypt your wallet - bitcoin deletes all unused addresses and refills key pool
Recover the password for the bitcoin wallet by using an unencrypted backup
Ive lost my password for bitcoin wallet
But I have unencrypted backup of the wallet that was made a year ago.
Unfortunately, bitcoins stored on addresses that contained only in ciphered wallet, not in unencrypted backup.
But some addresses are contained both in the encrypted and unencrypted wallet backup
I have idea:
- choose any address that contained in both the ciphered wallet and unencrypted backup
- extract private key for address from unencrypted backup
- extract ciphered private key from ciphered wallet
- compare two extracted strings and get password for the wallet
I have superficial knowledge of cryptography, but this should work
my idea is feasible?
Anyone know about software that can do what I described?
Can anyone create such software for reward?
But I have unencrypted backup of the wallet that was made a year ago.
Unfortunately, bitcoins stored on addresses that contained only in ciphered wallet, not in unencrypted backup.
But some addresses are contained both in the encrypted and unencrypted wallet backup
I have idea:
- choose any address that contained in both the ciphered wallet and unencrypted backup
- extract private key for address from unencrypted backup
- extract ciphered private key from ciphered wallet
- compare two extracted strings and get password for the wallet
I have superficial knowledge of cryptography, but this should work
my idea is feasible?
Anyone know about software that can do what I described?
Can anyone create such software for reward?
Hi
Ive lost my password for bitcoin wallet
But I have unencrypted backup of the wallet that was made year ago.
Unfortunately, bitcoins stored on addresses that contained only in ciphered wallet, not in unencrypted backup.
But some of addresses contained in both the ciphered wallet and unencrypted backup
I have idea:
- choose any address that contained in both the ciphered wallet and unencrypted backup
- extract private key for address from unencrypted backup
- extract ciphered private key from ciphered wallet
- compare two extracted strings and get password for the wallet
I have superficial knowledge of cryptography, but this should work
Anyone know about software that can do what I described?
Ive lost my password for bitcoin wallet
But I have unencrypted backup of the wallet that was made year ago.
Unfortunately, bitcoins stored on addresses that contained only in ciphered wallet, not in unencrypted backup.
But some of addresses contained in both the ciphered wallet and unencrypted backup
I have idea:
- choose any address that contained in both the ciphered wallet and unencrypted backup
- extract private key for address from unencrypted backup
- extract ciphered private key from ciphered wallet
- compare two extracted strings and get password for the wallet
I have superficial knowledge of cryptography, but this should work
Anyone know about software that can do what I described?