AES and RSA encryption in iOS

<< here is just based on individual project implementation through the summary of specific principles do not explain

1. RSA

RSA encryption algorithm is the most common asymmetric encryption algorithm

Public Key decryption

#define Krsapublickey @"-----BEGIN Public Key-----\nxxxxxxx\n-----END Public Key-----"

+ (nsstring *) Rsaencryptstr: (nsstring *) keystr{

scrsa *enrsa = [[scrsa alloc] initwithkeycontent:krsapublickey keyType :keytypepublic];

nsstring *entxt = [Enrsa encryptbyrsa: keystr];

return entxt;

}

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2. AES-128-CBC

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AES and RSA encryption in iOS