SHA-256 Hash of "bar"
SHA-256
fcde2b2edba56bf408601fb721fe9b5c338d10ee429ea04fae5511b68fbf8fb9
The SHA-256 hash of "bar" is: fcde2b2edba56bf408601fb721fe9b5c338d10ee429ea04fae5511b68fbf8fb9
All hash values
SHA-256Recommendedfcde2b2edba56bf408601fb721fe9b5c338d10ee429ea04fae5511b68fbf8fb9
SHA-162cdb7020ff920e5aa642c3d4066950dd1f01f4d
SHA-38414919aaff0da5efeb871fe8a438061c1996e88bfe199e2796b3b5c5c65714f61183adc53d48c3a32734ca6faf7d7fda8
SHA-512d82c4eb5261cb9c8aa9855edd67d1bd10482f41529858d925094d173fa662aa91ff39bc5b188615273484021dfb16fd8284cf684ccf0fc795be3aa2fc1e6c181
⚠️ Do not use SHA-1 for security
SHA-1 is considered cryptographically broken. Use SHA-256 or higher for all security-sensitive applications.
How SHA-256 works
SHA-256 is a cryptographic hash function that produces a fixed 256-bit (64-character hex) output. Even a tiny change in the input produces a completely different hash. It is one-way — you cannot reverse a hash to get the original input.
Common uses for hash functions
- Password hashing and storage
- File integrity verification
- Digital signatures and certificates
- Blockchain and cryptocurrency
- Data deduplication
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