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openssl_pkcs7_verify
(PHP 4 >= 4.0.6, PHP 5, PHP 7)
openssl_pkcs7_verify — Verifies the signature of an S/MIME signed message
Description
$filename
, int $flags
[, string $outfilename
[, array $cainfo
[, string $extracerts
[, string $content
[, string $p7bfilename
]]]]] ) : mixedopenssl_pkcs7_verify() reads the S/MIME message contained in the given file and examines the digital signature.
Parameters
-
filename -
Path to the message.
-
flags -
flagscan be used to affect how the signature is verified - see PKCS7 constants for more information. -
outfilename -
If the
outfilenameis specified, it should be a string holding the name of a file into which the certificates of the persons that signed the messages will be stored in PEM format. -
cainfo -
If the
cainfois specified, it should hold information about the trusted CA certificates to use in the verification process - see certificate verification for more information about this parameter. -
extracerts -
If the
extracertsis specified, it is the filename of a file containing a bunch of certificates to use as untrusted CAs. -
content -
You can specify a filename with
contentthat will be filled with the verified data, but with the signature information stripped. -
p7bfilename -
Return Values
Returns TRUE if the signature is verified, FALSE if it is not correct
(the message has been tampered with, or the signing certificate is invalid),
or -1 on error.
Changelog
| Version | Description |
|---|---|
| 7.2.0 |
The p7bfilename parameter was added.
|
| 5.1.0 |
The content parameter was added.
|
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Document created the 30/01/2003, last modified the 26/10/2018
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References
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