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(PHP 4 >= 4.0.6, PHP 5)

openssl_pkcs7_verifyVerifies the signature of an S/MIME signed message


mixed openssl_pkcs7_verify ( string $filename , int $flags [, string $outfilename [, array $cainfo [, string $extracerts [, string $content ]]]] )

openssl_pkcs7_verify() reads the S/MIME message contained in the given file and examines the digital signature.



Path to the message.


flags can be used to affect how the signature is verified - see PKCS7 constants for more information.


If the outfilename is 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.


If the cainfo is 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.


If the extracerts is specified, it is the filename of a file containing a bunch of certificates to use as untrusted CAs.


You can specify a filename with content that will be filled with the verified data, but with the signature information stripped.


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.


版本 说明
5.1.0 The content parameter was added.


Note: As specified in RFC 2045, lines may not be longer than 76 characters in the filename parameter.

  • openssl_cipher_iv_length
  • openssl_csr_export
  • openssl_csr_export_to_file
  • openssl_csr_get_public_key
  • openssl_csr_get_subject
  • openssl_csr_new
  • openssl_csr_sign
  • openssl_decrypt
  • openssl_dh_compute_key
  • openssl_digest
  • openssl_encrypt
  • openssl_error_string
  • openssl_free_key
  • openssl_get_cipher_methods
  • openssl_get_md_methods
  • openssl_get_privatekey
  • openssl_get_publickey
  • openssl_open
  • openssl_pkcs12_export
  • openssl_pkcs12_export_to_file
  • openssl_pkcs12_read
  • openssl_pkcs7_decrypt
  • openssl_pkcs7_encrypt
  • openssl_pkcs7_sign
  • openssl_pkcs7_verify
  • openssl_pkey_export
  • openssl_pkey_export_to_file
  • openssl_pkey_free
  • openssl_pkey_get_details
  • openssl_pkey_get_private
  • openssl_pkey_get_public
  • openssl_pkey_new
  • openssl_private_decrypt
  • openssl_private_encrypt
  • openssl_public_decrypt
  • openssl_public_encrypt
  • openssl_random_pseudo_bytes
  • openssl_seal
  • openssl_sign
  • openssl_verify
  • openssl_x509_checkpurpose
  • openssl_x509_check_private_key
  • openssl_x509_export
  • openssl_x509_export_to_file
  • openssl_x509_free
  • openssl_x509_parse
  • openssl_x509_read
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