# CryptoHelper Helper class with crypto functions. ## Summary | Members | Descriptions | | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------- | | `class` [`KeyPair`](https://liquiidio.gitbook.io/unity-plugin-suite/eossharp/api-docs/eossharp-core/eossharp-core-helpers/eossharp-core-helpers-cryptohelper/eossharp-core-helpers-cryptohelper-keypair) | KeyPair with a private and public key. | | `public static` [`KeyPair`](https://liquiidio.gitbook.io/unity-plugin-suite/eossharp/api-docs/eossharp-core/eossharp-core-helpers/eossharp-core-helpers-cryptohelper/eossharp-core-helpers-cryptohelper-keypair) [`GenerateKeyPair`](#class_eos_sharp_1_1_core_1_1_helpers_1_1_crypto_helper_1a9a68d315f6c31a00fec9a00c4e71ee24)`(string keyType)` | Generate a new key pair based on a key type. | | `public static byte[]` [`GetPrivateKeyBytesWithoutCheckSum`](#class_eos_sharp_1_1_core_1_1_helpers_1_1_crypto_helper_1a38b2473eed75c06c4c734e27e26122d9)`(string privateKey)` | Get private key bytes without is checksum. | | `public static string` [`PubKeyBytesToString`](#class_eos_sharp_1_1_core_1_1_helpers_1_1_crypto_helper_1ac7162460e9b5ea41250d70eb6a2f7cd9)`(byte[] keyBytes, string keyType, string prefix)` | Convert byte array to encoded public key string. | | `public static string` [`PrivKeyBytesToString`](#class_eos_sharp_1_1_core_1_1_helpers_1_1_crypto_helper_1af0e4e0cb3164ad3a83c341697e3d123b)`(byte[] keyBytes, string keyType, string prefix)` | Convert byte array to encoded private key string. | | `public static string` [`SignBytesToString`](#class_eos_sharp_1_1_core_1_1_helpers_1_1_crypto_helper_1ac58343e52bf95582164813067793be5e)`(byte[] signBytes, string keyType, string prefix)` | Convert byte array to encoded signature string. | | `public static byte[]` [`PubKeyStringToBytes`](#class_eos_sharp_1_1_core_1_1_helpers_1_1_crypto_helper_1ab91ebf83b16a9f194f1ee48dbad32cef)`(string key, string prefix)` | Convert encoded public key to byte array. | | `public static byte[]` [`PrivKeyStringToBytes`](#class_eos_sharp_1_1_core_1_1_helpers_1_1_crypto_helper_1a17e8e76f38936b1b688770994c8f5d06)`(string key)` | Convert encoded public key to byte array. | | `public static byte[]` [`SignStringToBytes`](#class_eos_sharp_1_1_core_1_1_helpers_1_1_crypto_helper_1ae91273855d47fc7eb2e1f8bed64b562b)`(string sign)` | Convert encoded signature to byte array. | | `public static byte[]` [`StringToKey`](#class_eos_sharp_1_1_core_1_1_helpers_1_1_crypto_helper_1ae466d4c3676f9acca9a7eba9d7e9787d)`(string key, int size, string keyType)` | Convert Pub/Priv key or signature to byte array. | | `public static string` [`KeyToString`](#class_eos_sharp_1_1_core_1_1_helpers_1_1_crypto_helper_1a8193bcf373a57404f18551ccacc7f402)`(byte[] key, string keyType, string prefix)` | Convert key byte array to encoded generic key. | | `public static byte[]` [`AesEncrypt`](#class_eos_sharp_1_1_core_1_1_helpers_1_1_crypto_helper_1a112e473d779be9458041d39132fa7a89)`(byte[] keyBytes, string plainText)` | It takes a 32 byte key and a 16 byte IV, and uses them to encrypt a string | | `public static string` [`AesDecrypt`](#class_eos_sharp_1_1_core_1_1_helpers_1_1_crypto_helper_1adc4e9315d0cc011bd7de23fcb4e2a3ef)`(byte[] keyBytes, byte[] cipherText)` | It decrypts the ciphertext using the keyBytes. | | `public static byte[]` [`EncryptStringToBytes_Aes`](#class_eos_sharp_1_1_core_1_1_helpers_1_1_crypto_helper_1a83795232cf502459362028ddaea4c897)`(string plainText, byte[] Key, byte[] IV)` | It takes a string, a key, and an IV, and returns an encrypted byte array. | | `public static string` [`DecryptStringFromBytes_Aes`](#class_eos_sharp_1_1_core_1_1_helpers_1_1_crypto_helper_1ad41398e0f35f226aaa7e9ea014ece67b)`(byte[] cipherText, byte[] Key, byte[] IV)` | It takes a byte array of ciphertext, a byte array of key, and a byte array of IV, and returns a string of plaintext. | ## Members **`class`** [**`KeyPair`**](https://liquiidio.gitbook.io/unity-plugin-suite/eossharp/api-docs/eossharp-core/eossharp-core-helpers/eossharp-core-helpers-cryptohelper/eossharp-core-helpers-cryptohelper-keypair) KeyPair with a private and public key. **`public static`** [**`KeyPair`**](https://liquiidio.gitbook.io/unity-plugin-suite/eossharp/api-docs/eossharp-core/eossharp-core-helpers/eossharp-core-helpers-cryptohelper/eossharp-core-helpers-cryptohelper-keypair) [**`GenerateKeyPair`**](#class_eos_sharp_1_1_core_1_1_helpers_1_1_crypto_helper_1a9a68d315f6c31a00fec9a00c4e71ee24)**`(string keyType)`** Generate a new key pair based on a key type. #### Parameters * `keyType` Optional key type. (sha256x2, R1) #### Returns key pair **`public static byte[]`** [**`GetPrivateKeyBytesWithoutCheckSum`**](#class_eos_sharp_1_1_core_1_1_helpers_1_1_crypto_helper_1a38b2473eed75c06c4c734e27e26122d9)**`(string privateKey)`** Get private key bytes without is checksum. #### Parameters * `privateKey` private key #### Returns byte array **`public static string`** [**`PubKeyBytesToString`**](#class_eos_sharp_1_1_core_1_1_helpers_1_1_crypto_helper_1ac7162460e9b5ea41250d70eb6a2f7cd9)**`(byte[] keyBytes, string keyType, string prefix)`** Convert byte array to encoded public key string. #### Parameters * `keyBytes` public key bytes * `keyType` Optional key type. (sha256x2, R1, K1) * `prefix` Optional prefix to public key #### Returns encoded public key **`public static string`** [**`PrivKeyBytesToString`**](#class_eos_sharp_1_1_core_1_1_helpers_1_1_crypto_helper_1af0e4e0cb3164ad3a83c341697e3d123b)**`(byte[] keyBytes, string keyType, string prefix)`** Convert byte array to encoded private key string. #### Parameters * `keyBytes` public key bytes * `keyType` Optional key type. (sha256x2, R1, K1) * `prefix` Optional prefix to public key #### Returns encoded private key **`public static string`** [**`SignBytesToString`**](#class_eos_sharp_1_1_core_1_1_helpers_1_1_crypto_helper_1ac58343e52bf95582164813067793be5e)**`(byte[] signBytes, string keyType, string prefix)`** Convert byte array to encoded signature string. #### Parameters * `signBytes` signature bytes * `keyType` Optional key type. (sha256x2, R1, K1) * `prefix` Optional prefix to public key #### Returns encoded signature **`public static byte[]`** [**`PubKeyStringToBytes`**](#class_eos_sharp_1_1_core_1_1_helpers_1_1_crypto_helper_1ab91ebf83b16a9f194f1ee48dbad32cef)**`(string key, string prefix)`** Convert encoded public key to byte array. #### Parameters * `key` encoded public key * `prefix` Optional prefix on key #### Returns public key bytes **`public static byte[]`** [**`PrivKeyStringToBytes`**](#class_eos_sharp_1_1_core_1_1_helpers_1_1_crypto_helper_1a17e8e76f38936b1b688770994c8f5d06)**`(string key)`** Convert encoded public key to byte array. #### Parameters * `key` encoded public key * `prefix` Optional prefix on key #### Returns public key bytes **`public static byte[]`** [**`SignStringToBytes`**](#class_eos_sharp_1_1_core_1_1_helpers_1_1_crypto_helper_1ae91273855d47fc7eb2e1f8bed64b562b)**`(string sign)`** Convert encoded signature to byte array. #### Parameters * `sign` encoded signature #### Returns signature bytes **`public static byte[]`** [**`StringToKey`**](#class_eos_sharp_1_1_core_1_1_helpers_1_1_crypto_helper_1ae466d4c3676f9acca9a7eba9d7e9787d)**`(string key, int size, string keyType)`** Convert Pub/Priv key or signature to byte array. #### Parameters * `key` generic key * `size` Key size * `keyType` Optional key type. (sha256x2, R1, K1) #### Returns key bytes **`public static string`** [**`KeyToString`**](#class_eos_sharp_1_1_core_1_1_helpers_1_1_crypto_helper_1a8193bcf373a57404f18551ccacc7f402)**`(byte[] key, string keyType, string prefix)`** Convert key byte array to encoded generic key. #### Parameters * `key` key byte array * `keyType` Key type. (sha256x2, R1, K1) * `prefix` Optional prefix #### Returns **`public static byte[]`** [**`AesEncrypt`**](#class_eos_sharp_1_1_core_1_1_helpers_1_1_crypto_helper_1a112e473d779be9458041d39132fa7a89)**`(byte[] keyBytes, string plainText)`** It takes a 32 byte key and a 16 byte IV, and uses them to encrypt a string #### Parameters * `keyBytes` The key used to encrypt the data. * `plainText` The text to be encrypted. #### Returns The encrypted text. **`public static string`** [**`AesDecrypt`**](#class_eos_sharp_1_1_core_1_1_helpers_1_1_crypto_helper_1adc4e9315d0cc011bd7de23fcb4e2a3ef)**`(byte[] keyBytes, byte[] cipherText)`** It decrypts the ciphertext using the keyBytes. #### Parameters * `keyBytes` The key used to encrypt the data. * `cipherText` The encrypted text #### Returns The decrypted string. **`public static byte[]`** [**`EncryptStringToBytes_Aes`**](#class_eos_sharp_1_1_core_1_1_helpers_1_1_crypto_helper_1a83795232cf502459362028ddaea4c897)**`(string plainText, byte[] Key, byte[] IV)`** It takes a string, a key, and an IV, and returns an encrypted byte array. #### Parameters * `plainText` The text to be encrypted. * `Key` The key used to encrypt the data. * `IV` The initialization vector is a random number that is used to encrypt the first block of text in the data. This number is then used in the decryption of the data. #### Returns The encrypted bytes from the memory stream. **`public static string`** [**`DecryptStringFromBytes_Aes`**](#class_eos_sharp_1_1_core_1_1_helpers_1_1_crypto_helper_1ad41398e0f35f226aaa7e9ea014ece67b)**`(byte[] cipherText, byte[] Key, byte[] IV)`** It takes a byte array of ciphertext, a byte array of key, and a byte array of IV, and returns a string of plaintext. #### Parameters * `cipherText` The encrypted string. * `Key` The key used to encrypt the data. * `IV` The initialization vector. This is a random string of bytes that is used to initialize the encryption algorithm. It is used to ensure that the same plaintext will not always produce the same ciphertext. #### Returns The decrypted string.