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PHP : Function Reference : OpenSSL Functions : openssl_pkey_export

openssl_pkey_export

Gets an exportable representation of a key into a string (PHP 4 >= 4.2.0, PHP 5)
bool openssl_pkey_export ( mixed key, string &out [, string passphrase [, array configargs]] )


Code Examples / Notes » openssl_pkey_export

07-may-2007 08:31

you can get public key using openssl_pkey_get_details(resource $key ) function:
<?php
$pub_key = openssl_pkey_get_public(file_get_contents('./cert.crt'));
$keyData = openssl_pkey_get_details($pub_key);
fule_put_contents('./key.pub', $keyData['key']);
?>


robbat2

Warning, this function is NOT capable of exporting PEM-encoded public keys. It can only export private keys.

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openssl_csr_export_to_file
openssl_csr_export
openssl_csr_get_public_key
openssl_csr_get_subject
openssl_csr_new
openssl_csr_sign
openssl_error_string
openssl_free_key
openssl_get_privatekey
openssl_get_publickey
openssl_open
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_seal
openssl_sign
openssl_verify
openssl_x509_check_private_key
openssl_x509_checkpurpose
openssl_x509_export_to_file
openssl_x509_export
openssl_x509_free
openssl_x509_parse
openssl_x509_read
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