openssl_spki_export
(PHP 5 >= 5.6.0)
openssl_spki_export — Exports a valid PEM formatted public key signed public key and challenge
Description
string openssl_spki_export
( string
&$spkac
)Exports PEM formatted public key from encoded signed public key and challenge
Parameters
-
spkac -
Expects a valid signed public key and challenge
Return Values
Returns the associated PEM formatted public key or NULL on failure.
Errors/Exceptions
Emits an E_WARNING level error if an invalid argument
is passed via the spkac parameter.
Examples
Example #1 openssl_spki_export() example
Extracts the associated PEM formatted public key or NULL on failure.
<?php
$pkey = openssl_pkey_new('secret password');
$spkac = openssl_spki_new($pkey, 'challenge string');
$pubKey = openssl_spki_export(preg_replace('/SPKAC=/', '', $spkac));
if ($pubKey) {
echo $pubKey;
}
?>
Example #2 openssl_spki_export() example from <keygen>
Extracts the associated PEM formatted public key issued from the <keygen> element
<?php
$spkac = openssl_spki_export(preg_replace('/SPKAC=/', '', $_POST['spkac']));
if ($spkac != NULL) {
echo $spkac;
} else {
echo "Extraction of pub key failed";
}
?>
<keygen name="spkac" challenge="challenge string" keytype="RSA">
See Also
- openssl_spki_new() - Generate a new signed public key and challenge
- openssl_spki_verify() - Verifies a signed public key and challenge
- openssl_spki_export_challenge() - Exports the challenge assoicated with a signed public key and challenge
- openssl_md_method()
- openssl_csr_new() - Generates a CSR
- openssl_csr_sign() - Sign a CSR with another certificate (or itself) and generate a certificate
- PHP Руководство
- Функции по категориям
- Индекс функций
- Справочник функций
- Криптографические расширения
- OpenSSL
- openssl_cipher_iv_length
- openssl_csr_export_to_file
- openssl_csr_export
- 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_cert_locations
- openssl_get_cipher_methods
- openssl_get_md_methods
- openssl_get_privatekey
- openssl_get_publickey
- openssl_open
- openssl_pbkdf2
- openssl_pkcs12_export_to_file
- openssl_pkcs12_export
- openssl_pkcs12_read
- openssl_pkcs7_decrypt
- openssl_pkcs7_encrypt
- openssl_pkcs7_sign
- openssl_pkcs7_verify
- openssl_pkey_export_to_file
- openssl_pkey_export
- 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_spki_export_challenge
- openssl_spki_export
- openssl_spki_new
- openssl_spki_verify
- openssl_verify
- openssl_x509_check_private_key
- openssl_x509_checkpurpose
- openssl_x509_export_to_file
- openssl_x509_export
- openssl_x509_fingerprint
- openssl_x509_free
- openssl_x509_parse
- openssl_x509_read
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