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Error: "Constant CRYPT_RSA_MODE already defined"

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It happens if defined(MATH_BIGINTEGER_OPENSSL_DISABLE) && !function_exists('openssl_pkey_get_details')
This commit is contained in:
Vitaliy Zaytsev 2014-08-25 19:03:24 +07:00
parent 7696cbf826
commit cf10e07660
1 changed files with 7 additions and 8 deletions
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15
phpseclib/Crypt/RSA.php
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@ -493,14 +493,13 @@ class Crypt_RSA
$this->configFile = CRYPT_RSA_OPENSSL_CONFIG;
if ( !defined('CRYPT_RSA_MODE') ) {
// Math/BigInteger's openssl requirements are a little less stringent than Crypt/RSA's. in particular,
// Math/BigInteger doesn't require an openssl.cfg file whereas Crypt/RSA does. so if Math/BigInteger
// can't use OpenSSL it can be pretty trivially assumed, then, that Crypt/RSA can't either.
if ( defined('MATH_BIGINTEGER_OPENSSL_DISABLE') ) {
define('CRYPT_RSA_MODE', CRYPT_RSA_MODE_INTERNAL);
}
switch ( !defined('CRYPT_RSA_MODE') ) { // ie. only run this if the above didn't set CRYPT_RSA_MODE already
switch (true) {
// Math/BigInteger's openssl requirements are a little less stringent than Crypt/RSA's. in particular,
// Math/BigInteger doesn't require an openssl.cfg file whereas Crypt/RSA does. so if Math/BigInteger
// can't use OpenSSL it can be pretty trivially assumed, then, that Crypt/RSA can't either.
case defined('MATH_BIGINTEGER_OPENSSL_DISABLE'):
define('CRYPT_RSA_MODE', CRYPT_RSA_MODE_INTERNAL);
break;
// openssl_pkey_get_details - which is used in the only place Crypt/RSA.php uses OpenSSL - was introduced in PHP 5.2.0
case !function_exists('openssl_pkey_get_details'):
define('CRYPT_RSA_MODE', CRYPT_RSA_MODE_INTERNAL);