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align=\"center\"\u003e\u003cimg src=\"resources/images/crypto.png?raw=true\"\u003e\u003c/p\u003e\n\n\n\n\n# Crypto\n\n\u003e This package can be used to **Encrypt**, **Decrypt** and **Sign** data using **Asymmetric** algorithms in php.\n\nthe below algoritms can be used:\n\n- RSA\n- DSA\n- DH\n- EC\n\n## Install\n\nVia Composer\n\n``` bash\n$ composer require shetabit/payment\n```\n\n## How to use\n\nhere is a simple encoding/decoding example.\n\n```php\n$crypto = new Crypto;\n\n// generate private key\n$privateKey = $crypto-\u003ecreatePrivateKey();\necho $privateKey;\n\n// generate public key\n$publicKey = $crypto-\u003ecreatePublicKey($privateKey);\necho $publicKey;\n\n$data = 'a simple text';\n\n// encrypt, plain data\n$encryptedData = $crypto-\u003eencrypt($publicKey, $data);\necho $encryptedData;\n\n// decrypt, encrypted data\n$decryptedData = $crypto-\u003edecrypt($privateKey, $encryptedData);\necho $decryptedData;\n```\n\n#### Create private key\n\nyou can create a private key like the below\n\n```php\n$crypt = new Crypt;\n\n$privateKey = $crypt-\u003ecreatePrivateKey();\n\necho $privatekey;\n```\n\nthe below algorithms can be used:\n\n- RSA: use **Crypto::OPENSSL_KEYTYPE_RSA**\n- DSA: use **Crypto::OPENSSL_KEYTYPE_DSA** (not completely supported by PHP OpenSSL)\n- DH:  use **Crypto::OPENSSL_KEYTYPE_DH** (not completely supported by PHP OpenSSL)\n- EC: use **Crypto::OPENSSL_KEYTYPE_EC** (not completely supported by PHP OpenSSL)\n\n```php\n$crypt = new Crypt;\n\n$privateKey = $crypt-\u003ecreatePrivateKey(Crypto::OPENSSL_KEYTYPE_RSA);\n\necho $privatekey;\n```\n\n#### Create public key:\n\na public key can be generated using a private key\n\n```php\n$privatekey = '-----BEGIN EC PRIVATE KEY-----\nMIHuAgEBBEgC1SvKxAMTrXYmC9CV+euaL8KVemuuU6I9A5moUh4HgTzESYt35lgc\nCiwMetwIaB9RHFM7869D4rClXvnxFy91nMklcY7IsCmgBwYFK4EEACehgZUDgZIA\nBAHBdOduvUMAft3s3xq/70CyHtJTfbFAMmyE6rIOAXYlOcvCvwfLRTbAXkZ+PnU+\n5SkSqpC036F02Hr8GNxToie+gLrEAsmjQwLImuN9o+1UPwYR3LdG8N4JsnFkIMYr\nqTvrA+usw5pjfZmqE4hHlFVdIaIb7r2m8w2OEZTfsfxQjRzY6uE9P3711NWdZdP2\nRg==\n-----END EC PRIVATE KEY-----';\n\n$crypt = new Crypt;\n\n$publicKey = $crypt-\u003ecreatePublicKey($privateKey);\n\necho $publicKey;\n```\n\n#### Encrypt data:\n\n- data must be in string format.\n- you need a **valid public key** to encrypt data.\n\n```php\n$publicKey = \"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzLBs9Y2+QSr8l5LV8beY\nnidHPHhM0/zMy1V7CiTWQyQVyxsZKHQJZGP+zJNovSH+KG9wfUe5XnC7qVDU80Bi\nABfQFhLe+t7w8UnBbRnDxMnLCjoSrtG8ZlJBkfmvTMf4MdmvMUqzqUD+ssB76BOP\nCce7qGntIlhQOzj3crliLex6E4OmwUP9RgPtIz/GQuI+O/XSf6irkkRjE8Sq9J7S\nzU7z/asXcSi9PMzql/3Z/K47azWBZJazpSf6rkfVQzsITcai+CaZvVItCrMq7z94\n/poX24CX2MgOxWxv8thRG7jO7nNCT5Smc+wi1j3HXaxbnA3vcAt6yQ6ctXpf1rGI\nFwIDAQAB\n-----END PUBLIC KEY-----\";\n\n$data = 'this is a simple text';\n\n$encryptedData = $crypto-\u003eencrypt($publicKey, $data);\n\necho $encryptedData;\n```\n\n#### Decrypt data:\n\n- you need a **valid public key** to decrypt data.\n\n```php\n$privateKey='private key';\n\n$encryptedData = 'encrypted data';\n\n$decryptedData = $crypto-\u003edecrypt($privateKey, $encryptedData);\n\necho $decryptedData;\n```\n\n#### Sign data:\n\n- data must be in string format.\n- you need a **valid public key** to sign data.\n\n```php\n$privateKey = \"-----BEGIN PRIVATE KEY-----\nMIHuAgEBBEgC1SvKxAMTrXYmC9CV+euaL8KVemuuU6I9A5moUh4HgTzESYt35lgc\nCiwMetwIaB9RHFM7869D4rClXvnxFy91nMklcY7IsCmgBwYFK4EEACehgZUDgZIA\nBAHBdOduvUMAft3s3xq/70CyHtJTfbFAMmyE6rIOAXYlOcvCvwfLRTbAXkZ+PnU+\n5SkSqpC036F02Hr8GNxToie+gLrEAsmjQwLImuN9o+1UPwYR3LdG8N4JsnFkIMYr\nqTvrA+usw5pjfZmqE4hHlFVdIaIb7r2m8w2OEZTfsfxQjRzY6uE9P3711NWdZdP2\nRg==\n-----END EC PRIVATE KEY-----\";\n\n$data = 'this is a simple text';\n\n$signature = $crypto-\u003esign($privateKey, $data);\n\necho $signature;\n```\n\n#### verify signature:\n\n- you need a **valid public key** to verify data.\n\n```php\n$publicKey = \"-----BEGIN PUBLIC KEY-----\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzLBs9Y2+QSr8l5LV8beY\nnidHPHhM0/zMy1V7CiTWQyQVyxsZKHQJZGP+zJNovSH+KG9wfUe5XnC7qVDU80Bi\nABfQFhLe+t7w8UnBbRnDxMnLCjoSrtG8ZlJBkfmvTMf4MdmvMUqzqUD+ssB76BOP\nCce7qGntIlhQOzj3crliLex6E4OmwUP9RgPtIz/GQuI+O/XSf6irkkRjE8Sq9J7S\nzU7z/asXcSi9PMzql/3Z/K47azWBZJazpSf6rkfVQzsITcai+CaZvVItCrMq7z94\n/poX24CX2MgOxWxv8thRG7jO7nNCT5Smc+wi1j3HXaxbnA3vcAt6yQ6ctXpf1rGI\nFwIDAQAB\n-----END PUBLIC KEY-----\";\n\n$signature = 'this is a signature';\n\n$verification = $crypto-\u003eencrypt($publicKey, $data);\n\necho $encryptedData ? 'true' : 'false';\n```\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fshetabit%2Fcrypto","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fshetabit%2Fcrypto","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fshetabit%2Fcrypto/lists"}