openssl_verify
Description
int openssl_verify ( string data, string signature, mixed pub_key_id [, int signature_alg] )Returns 1 if the signature is correct, 0 if it is incorrect, and -1 on error.
openssl_verify() verifies that the
signature
is correct for the specified
data
using the public key associated with
pub_key_id
. This must be the public key
corresponding to the private key used for signing.
Notatka: Optional 4th parameter
signature_alg
was added in version 5.2.0. Its default value is OPENSSL_ALGO_SHA1. For more information see the list of Signature Algorithms.
See also openssl_sign().
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