What is the SHA-256 hash of "test123"?

Q: What is the SHA-256 hash of "test123"?

The SHA-256 hash of "test123" is "ecd71870d1963316a97e3ac3408c9835ad8cf0f3c1bc703527c30265534f75ae".

SHA-256 Hash of "test123"

SHA-256

ecd71870d1963316a97e3ac3408c9835ad8cf0f3c1bc703527c30265534f75ae

The SHA-256 hash of "test123" is: ecd71870d1963316a97e3ac3408c9835ad8cf0f3c1bc703527c30265534f75ae

All hash values

SHA-256Recommendedecd71870d1963316a97e3ac3408c9835ad8cf0f3c1bc703527c30265534f75ae

SHA-17288edd0fc3ffcbe93a0cf06e3568e28521687bc

SHA-384c51dcc4e0deaee00fa5af30e29b6e1acbf32fcb3cea8c4b5cdeaecece8e248df439b2da1b834cb67bbafd2fa07d02f49

SHA-512daef4953b9783365cad6615223720506cc46c5167cd16ab500fa597aa08ff964eb24fb19687f34d7665f778fcb6c5358fc0a5b81e1662cf90f73a2671c53f991

⚠️ 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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