Re: [fpc-pascal] MD5 decryption?
On 12/11/2013 05:54 PM, silvioprog wrote: Go to: http://md5decryption.com http://md5decryption.com/ In Please input the MD5 hash that you would like to be decrypted: field, put: 7db4a8dae498d1b4686ebd1f79326602 See the result in Decrypted Text: field. Nice ! So you obviously can compress the bible in 32 hex numbers. Is this patented ? -Michael ___ fpc-pascal maillist - fpc-pascal@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-pascal
[fpc-pascal] MD5 decryption?
Hello, How to decrypt a MD5 in FPC?: http://md5decryption.com -- Silvio Clécio My public projects - github.com/silvioprog ___ fpc-pascal maillist - fpc-pascal@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-pascal
Re: [fpc-pascal] MD5 decryption?
Once upon a time, silvioprog said: Hello, How to decrypt a MD5 in FPC?: MD5 is a hashing algorithm, not an encryption algorithm. There is more than one input for this algorithm which will generate the same hash, as opposed to a cipher. -- Ewald ___ fpc-pascal maillist - fpc-pascal@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-pascal
Re: [fpc-pascal] MD5 decryption?
Not sure if this helps or not: http://wiki.freepascal.org/hash On 12/11/2013 10:41 AM, silvioprog wrote: Hello, How to decrypt a MD5 in FPC?: http://md5decryption.com http://md5decryption.com/ -- Silvio Clécio My public projects - github.com/silvioprog http://github.com/silvioprog ___ fpc-pascal maillist - fpc-pascal@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-pascal ___ fpc-pascal maillist - fpc-pascal@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-pascal
Re: [fpc-pascal] MD5 decryption?
2013/12/11 Ewald ew...@yellowcouch.org Once upon a time, silvioprog said: Hello, How to decrypt a MD5 in FPC?: MD5 is a hashing algorithm, not an encryption algorithm. There is more than one input for this algorithm which will generate the same hash, as opposed to a cipher. -- Ewald Go to: http://md5decryption.com In Please input the MD5 hash that you would like to be decrypted: field, put: 7db4a8dae498d1b4686ebd1f79326602 See the result in Decrypted Text: field. -- Silvio Clécio My public projects - github.com/silvioprog ___ fpc-pascal maillist - fpc-pascal@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-pascal
Re: [fpc-pascal] MD5 decryption?
On Wed, 11 Dec 2013, silvioprog wrote: 2013/12/11 Ewald ew...@yellowcouch.org Once upon a time, silvioprog said: Hello, How to decrypt a MD5 in FPC?: MD5 is a hashing algorithm, not an encryption algorithm. There is more than one input for this algorithm which will generate the same hash, as opposed to a cipher. -- Ewald Go to: http://md5decryption.com In Please input the MD5 hash that you would like to be decrypted: field, put: 7db4a8dae498d1b4686ebd1f79326602 See the result in Decrypted Text: field. You should read the description. They look in a database. They don't do actual decryption. Michael.___ fpc-pascal maillist - fpc-pascal@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-pascal
Re: [fpc-pascal] MD5 decryption?
Am 11.12.2013 17:54, schrieb silvioprog: 2013/12/11 Ewald ew...@yellowcouch.org mailto:ew...@yellowcouch.org Once upon a time, silvioprog said: Hello, How to decrypt a MD5 in FPC?: MD5 is a hashing algorithm, not an encryption algorithm. There is more than one input for this algorithm which will generate the same hash, as opposed to a cipher. -- Ewald Go to: http://md5decryption.com http://md5decryption.com/ In Please input the MD5 hash that you would like to be decrypted: field, put: 7db4a8dae498d1b4686ebd1f79326602 See the result in Decrypted Text: field. Please read what they write on their web page (stresses by me): === quote begin === Encrypt MD5 hash, Decrypt MD5 hash MD5Decryption.com allows you to enter a MD5 hash and we will look *into our database* and try to decrypt MD5. Basically it is a MD5 decrypter. What is an MD5 hash, or MD5 Checksum? MD5 is a 128-bit message digest function. It is used commonly in user authentication and MD5 checksum for data integrity. How many MD5 hashes are in our database? *We have encrypted* more than 105,300,000 words, phrases, acronyms, etc since 2006. === quote end === So they have build themselves a database of a limited number of md5 hashes and use that to resolve your requests. MD5 is a one way hashing function. Full stop. Don't believe it? Well... I generated a hash of wrxlbrmpf which is d162435be814d6c6f4e1e4f077e5343d. This hash is not found in their database. Or better yet: Hash a 1GB movie and ask them to decrypt that. It would definitely be awesome if you could store a 1GB movie inside a 16-Byte hash... Regards, Sven ___ fpc-pascal maillist - fpc-pascal@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-pascal
Re: [fpc-pascal] MD5 decryption?
2013/12/11 Michael Van Canneyt mich...@freepascal.org On Wed, 11 Dec 2013, silvioprog wrote: 2013/12/11 Ewald ew...@yellowcouch.org Once upon a time, silvioprog said: Hello, How to decrypt a MD5 in FPC?: MD5 is a hashing algorithm, not an encryption algorithm. There is more than one input for this algorithm which will generate the same hash, as opposed to a cipher. -- Ewald Go to: http://md5decryption.com In Please input the MD5 hash that you would like to be decrypted: field, put: 7db4a8dae498d1b4686ebd1f79326602 See the result in Decrypted Text: field. You should read the description. They look in a database. They don't do actual decryption. Michael. Ah ha... I haven't seen this detail. xD Phew, I was thinking it would be possible to know the hidden text in a hash. -- Silvio Clécio My public projects - github.com/silvioprog ___ fpc-pascal maillist - fpc-pascal@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-pascal
Re: [fpc-pascal] MD5 decryption?
Once upon a time, silvioprog said: 2013/12/11 Ewald ew...@yellowcouch.org mailto:ew...@yellowcouch.org Go to: http://md5decryption.com http://md5decryption.com/ In Please input the MD5 hash that you would like to be decrypted: field, put: 7db4a8dae498d1b4686ebd1f79326602 See the result in Decrypted Text: field. Yes, I've seen the site, what they probably do is a reverse lookup in a table, but it cannot be called `decryption`. Encryption is two way: an output can be converted back to the original input. This is not the case with a hashing function. Take for example a very simple function that xor's all input bytes together (with MD5 it boils down to the same, albeit a bit more complex). If I give you the output $F0, how do you know what was the original input? The answer is you don't. It could be [$80 $70] as well as it could have been [$C0 $FF $30 $FF]... While both algorithm types (encryption and hashing) are related (the above xor example classified as a checksum, whereas xor encryption also exists), they are definitly not the same. -- Ewald ___ fpc-pascal maillist - fpc-pascal@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-pascal
Re: [fpc-pascal] MD5 decryption?
Once upon a time, Michael Van Canneyt said: You should read the description. They look in a database. They don't do actual decryption. Yep, that's what I did, I even looked at the little line advertising how much records they had in their database. Most unfortunately though it cannot be called decryption. If I would advertise a bicycle as a car to you there would also be some confusion don't you think :-) -- Ewald ___ fpc-pascal maillist - fpc-pascal@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-pascal
Re: [fpc-pascal] MD5 decryption?
2013/12/11 Ewald ew...@yellowcouch.org Once upon a time, silvioprog said: 2013/12/11 Ewald ew...@yellowcouch.org Go to: http://md5decryption.com In Please input the MD5 hash that you would like to be decrypted: field, put: 7db4a8dae498d1b4686ebd1f79326602 See the result in Decrypted Text: field. Yes, I've seen the site, what they probably do is a reverse lookup in a table, but it cannot be called `decryption`. Encryption is two way: an output can be converted back to the original input. This is not the case with a hashing function. Take for example a very simple function that xor's all input bytes together (with MD5 it boils down to the same, albeit a bit more complex). If I give you the output $F0, how do you know what was the original input? The answer is you don't. It could be [$80 $70] as well as it could have been [$C0 $FF $30 $FF]... While both algorithm types (encryption and hashing) are related (the above xor example classified as a checksum, whereas xor encryption also exists), they are definitly not the same. -- Ewald Nice explanation, thanks! (y) -- Silvio Clécio My public projects - github.com/silvioprog ___ fpc-pascal maillist - fpc-pascal@lists.freepascal.org http://lists.freepascal.org/mailman/listinfo/fpc-pascal
