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crypto_evp_hmac

MivaScript Builtin Function, Miva Merchant 9+

Tag / Description

crypto_evp_hmac( digestname, key, buffer var, digest var )

<mvt:assign name="g.return_value" value="crypto_evp_hmac( digestname, key, buffer var, digest var )" />

Calculates the HMAC of "buffer" using digest algorithm "digestname" and key "key", placing the HMAC in "digest". The HMAC output is always in raw binary format, use miva_hex_encode() or crypto_base64_encode() if other output formats are desired.

Parameters

  • digestname

    an OpenSSL digest identifier, such as "sha256" or "md5".

  • key

  • buffer var

    The data that will be process.

  • digest var

    The result of the HMAC function.

Return Values

Examples

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