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<Buffer type>.DecryptAsymmetric (Function) In french: <Type Buffer>.DécrypteAsymétrique // Encrypting a character string // --------------------------------------- bufToEncrypt is Buffer = "Message to encrypt" bufEncryptedMessage is Buffer sPublicKeyFile is string = fExeDir() + "\PublicKey.pem" sPublicKeyPassword is string = "xxx"  bufEncryptedMessage = bufToEncrypt.EncryptAsymmetric(sPublicKeyFile, ... sPublicKeyPassword, cryptPaddingPKCS1)  // Decryption  // ------------- bufEncryptedMessage is Buffer bufDecryptedMessage is Buffer sPrivateKeyFile is string = fExeDir() + "\PrivateKey.pem" sPrivateKeyPassword is string = "xxx"  bufDecryptedMessage = bufEncryptedMessage.DecryptAsymmetric(sPrivateKeyFile, ... sPrivateKeyPassword, cryptPaddingPKCS1) bufToEncrypt is Buffer = StringToUTF8("สวัสดี Test") bufPrivateKey is Buffer bufPublicKey is Buffer (bufPrivateKey, bufPublicKey) = EncryptGenerateRSAKey(1024) // Encryption bufEncrypted is Buffer = bufToEncrypt.EncryptAsymmetric(bufPublicKey) bufSign is Buffer = CertificateSignString(bufEncrypted, bufPrivateKey, "", ... certSignatureOnly + certSHA256) // Decryption IF CertificateCheckString(bufEncrypted, bufSign, bufPublicKey, "", "", ... certSignatureOnly + certSHA256) THEN bufReadable is Buffer = bufEncrypted.DecryptAsymmetric(bufPrivateKey) Trace("Authentic message") Trace(bufReadable.UTF8ToString()) ELSE Trace("Unauthenticated message") END Syntax
<Result> = <Content to decrypt>.DecryptAsymmetric(<Private key file> [, <Password> [, <Padding>]])
<Result>: Buffer Decrypted data. <Content to decrypt>: Buffer Buffer to decrypt. <Private key file>: Character string or Buffer - Name and path of the file corresponding to the RSA private key to be used to decrypt the data. pem and p12 key formats are supported.
- Buffer containing the RSA private key to be used to decrypt the data.
<Password>: Optional character string Key file password (if required). <Padding>: Optional Integer constant Padding mode for encrypted data (used during encryption) to be compatible with the size required by block encryption algorithms: | | cryptPaddingOAEP | Padding according to the OAEP algorithm (Optimal Asymmetric Encryption Padding). | cryptPaddingPKCS1 (Default value) | Padding according to the PKCS 1 algorithm (Public Key Cryptographic Standards). |
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