Example input and settings
SHA-256
key: key
message: The quick brown fox jumps over the lazy dogSecurity · SEC-04Submit an issue
HMAC generator
Generate HMAC-SHA256, SHA384 or SHA512 signatures with a secret key.
HMAC · SHA-256 / SHA-384 / SHA-512Convert, compare and calculate
Enter a secret and message, then choose SHA-1/256/384/512 and HEX or Base64 output. Matching results require identical keys, messages and algorithms. Spaces and line breaks matter; HMAC differs from a hash without a key.
Check the input format and options with this example before using your own data. Random values, file sizes and presentation vary with the input and settings.
What to check in the result
f7bc83f430538424b13298e6aa6fb143ef4d59a14946175997479dbc2d1a3cd8