RIPEMD-128 Hash Calculator

RIPEMD-128 is a cryptographic hash function that produces a 128-bit hash value. It was published in 1996 by Hans Dobbertin, Antoon Bosselaers, and Bart Preneel as a strengthened replacement for the original RIPEMD, alongside its wider-digest sibling RIPEMD-160, which trades some speed for a larger 160-bit output. RIPEMD-128 is not widely used in comparison to other algorithms such as SHA-256 and SHA-3.

What is RIPE MD128 Hash Generator?

RIPE MD 128 is a checksum and hash generator for web developers and programmers. This free online tool turns any non-sensitive sample text, such as a record ID, a filename or a test fixture string, into a digest that cannot be converted back. The text you enter is sent to our server to be hashed, so keep real passwords and personal data out of it. The algorithm generates a 128-bit message digest from an arbitrary quantity of data.

How does the RIPE MD128 Hash Generator work?

RIPEMD-128 is one member of the RIPEMD family of hash functions. The family started with the original 128-bit RIPEMD, published in 1992 by the EU's RIPE project; RIPEMD-128 is the strengthened replacement for that original, published in 1996 by Hans Dobbertin, Antoon Bosselaers and Bart Preneel. The design idea of RIPEMD was based on MD4, and though MD4 was weak, RIPEMD would work on 32-bit processors. Your input is padded, split into 512-bit blocks, and fed through a compression function block by block until the final chaining value becomes the digest.

What is RIPEMD used for?

RIPEMD (RACE Integrity Primitives Evaluation Message Digest) is a family of cryptographic hash functions that are commonly used to generate a message digest, which is a condensed representation of a message or data. RIPEMD can be used for a variety of purposes, including:

• Comparing the computed message digest with the one provided by the sender to ensure the integrity of data, such as a downloaded file.
• Creating digital signatures, which are used to verify the sender's identity and the message's integrity.
• In database indexing, a short hash value can be used as a key to quickly retrieve a record.
• Deriving short fingerprints and deduplication keys, so identical records or files can be matched without comparing them byte by byte, and interoperating with legacy formats that still specify RIPEMD. Password storage is not one of these uses: a bare, unsalted fast hash does nothing to slow down offline guessing, so choose a password-hashing KDF such as bcrypt, scrypt or Argon2 for that.

How do I find the RIPEMD hash of a text string?

Here are the easy steps for computing a RIPEMD-128 hash of your text:

• Enter the value in the "Enter Value" cell.
• Click the "Calculate RipeMD128" button.
• The results will be shown in the "Output" cell.

What is the size of a RIPEMD-128 hash?

Every hash this calculator returns is a RIPEMD-128 digest: 128 bits, or 16 bytes, printed as 32 hexadecimal characters, regardless of how large the input message is. For contrast, the family's RIPEMD-160 variant produces a longer 160-bit (20-byte, 40-hex-character) digest, and it is RIPEMD-160 rather than RIPEMD-128 that remains in meaningful use today.

Is RIPEMD original version of 128 having security issues?

Yes. The original 1992 RIPEMD, which also produced a 128-bit hash, is considered broken: Wang et al. published a practical collision attack against it in 2004. RIPEMD-128 is the strengthened 1996 replacement and has no comparable published break, but a 128-bit output leaves only about 64-bit collision resistance, so it is not recommended for new work and is not widely deployed. Where security matters, use RIPEMD-160, SHA-256, SHA-3, or BLAKE2 instead.