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Q: Can you decrypt a hash of a message to get the original message?
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How do you decyrpt the MD5 hash string?

The MD5 hash algorithm is a cryptographic hash function, not an encryption method. A cryptographic hash function converts a message of variable length to a fixed size of 'hash,' usually done to check the integrity and authenticity of the original message, and not transmit the message itself in a unreadable encrypted way. The message is also sent ALONG with the hash, usually to ensure that the original message has not been altered en route. Thus it does not have enough information to actually retrieve the message itself. (although it can if the size of the message is the size of the hash, it is never the case.) Decrypting the MD5 hash string will not yield the information that was used for its creation anyways.


What does MD5 encryption mean?

You are probably referring to the MD5 Message-Digest Algorithm which is a widely used cryptographic hash function that produces 128-bit (16-byte) hash values. A hash function is an algorithm that takes a block of data and creates a string of data (hash) of fixed length. By running the algorithm on a received block of data, a user should be able to detect whether the data has been altered because a given block of data should always yield the same hash unless it has been altered. Ideally a hash function will allow easy computation of the hash value for any given message but make it hard to start with the hash value and come up with a message that will yield that hash value. It should also be so difficult to modify a message without changing the hash that the time and effort necessary to do it exceeds the value of doing it and extremely difficult or impractical to find two different messages with the same hash. Note that by its nature the MD5 hash is not supposed to allow you to recover the message that was processed. Usually when we use the word "encryption" we are talking about a process where a message is converted to something called "cyphertext" which is unreadable unless you have the right algorithm and key to decrypt it and convert it back to the original message. In this respect it is more accurate to refer to "MD5 hashing" rather than MD5 encryption. See the attached link for more details on the MD5 hash.


Where can you decrypt Public Key Cryptography?

Public key cryptography always works the same way: Encryption is done with the public key, decryption done with the private key. It is not possible to decrypt anything with the public key (otherwise the whole system would crash down). The only time it's done the other way is for message authentication, where only a digest of a message is encrypted and can be verified (not decrypted) using the public key.


Why does encrypted data often look like gibberish to unauthorized users?

The purpose of encryption is to make a message/data unreadable to someone who does not have the key to decrypt it, so it is highly likely that encrypted data will appear to be gibberish.


Which of the following increases the collision resistance of a hash?

The collision resistance of a hash is proportional to the number of hash values that are stored, relative to the number of items that can be hashed, and it is proportional to the adequacy of the hash. The latter means that the hash should usually be of cryptographic quality.

Related questions

How do you decyrpt the MD5 hash string?

The MD5 hash algorithm is a cryptographic hash function, not an encryption method. A cryptographic hash function converts a message of variable length to a fixed size of 'hash,' usually done to check the integrity and authenticity of the original message, and not transmit the message itself in a unreadable encrypted way. The message is also sent ALONG with the hash, usually to ensure that the original message has not been altered en route. Thus it does not have enough information to actually retrieve the message itself. (although it can if the size of the message is the size of the hash, it is never the case.) Decrypting the MD5 hash string will not yield the information that was used for its creation anyways.


What does MD5 encryption mean?

You are probably referring to the MD5 Message-Digest Algorithm which is a widely used cryptographic hash function that produces 128-bit (16-byte) hash values. A hash function is an algorithm that takes a block of data and creates a string of data (hash) of fixed length. By running the algorithm on a received block of data, a user should be able to detect whether the data has been altered because a given block of data should always yield the same hash unless it has been altered. Ideally a hash function will allow easy computation of the hash value for any given message but make it hard to start with the hash value and come up with a message that will yield that hash value. It should also be so difficult to modify a message without changing the hash that the time and effort necessary to do it exceeds the value of doing it and extremely difficult or impractical to find two different messages with the same hash. Note that by its nature the MD5 hash is not supposed to allow you to recover the message that was processed. Usually when we use the word "encryption" we are talking about a process where a message is converted to something called "cyphertext" which is unreadable unless you have the right algorithm and key to decrypt it and convert it back to the original message. In this respect it is more accurate to refer to "MD5 hashing" rather than MD5 encryption. See the attached link for more details on the MD5 hash.


Can you convert this decrypt code 5f1a0ba35518dac437168c6abc6e6276 into ordinary language?

Without knowing how it was encoded or what information it contains, no. At first glance it appears to be an MD5 hash, which is (practically) impossible to convert back into its original form.


What is a hash function?

hash function is technique used in message authentication it is attached to the message for security purpose


Can someone decrypt this md5 hash b2a6f48ab5c7eedbe8f31b7d3c2469ce please?

Unfortunately, md5 encryption can NEVER decrypted, that is the whole point of it!


Does symmetric cryptography use the same key to encrypt and decrypt a message?

Yes


Can anyone decrypt this hash please 9b4563331828d9aa435ba3ad65257b8c?

A hash cannot be "decrypted". It's a hash, meaning it's a validation of a file, to ensure the file's integrity. It's also constructed in a way, so it's virtually impossible to modify a file to match a specific hash value.


Anyone please decrypt this md5 code 1abd31faff12d5809c81e30b1ba07cb0?

MD5 is a one-way hashing algorithm. If you take plain text and run it through the hashing algorithm, it produces a hash string such as the one in the question. If you take a file and compare it to the known hash that is supposed to have been produced from that file, you can tell if the file has been tampered with. If the hash of the file matches the hash you were provided that is supposed to have come from the file, then the file has not been altered - at least in theory. In reality, researchers have demonstrated that it is possible to create another file that will yield the same hash even though the files are different. With all that in mind, you should realize that you cannot go backwards from the hash to a unique initial text. There are literally an infinite number of files that can produce the same hash so you don't "decrypt" and MD5 hash.


What is hash encryption?

Hash is not encryption, it is the way a word, or message is changed into a unrecognized pattern. ...........you might want to change the categories


What is the definition for hashtag?

A tag embedded in a message posted on the Twitter microblogging service, consisting of a word within the message prefixed with a hash sign.


How can i convert decrypt code into ordinary language?

There is no simple answer to this question. Each encoding or encryption will have an associated decoding/decryption. In order to figure out the original message you need to at least know how it was encoded. If it was encrypted, then you will likely also need additional information such as encryption keys.


What is a mathematical formula that generates a code from the contents of a message?

hash, cypher, algorithm, private key