falcon11

// pod 'AesGcm'
#import <AesGcm/IAGAesGcm.h>

// replace with your own key, base64 encoding
static NSString * const AES_GCM_KEY = @"MTIzNDU2Nzg5MGFiY2RlZg==";

- (NSString *)encryptString:(NSString *)text {
    NSData *key = [[NSData alloc] initWithBase64EncodedString:AES_GCM_KEY options:NSDataBase64DecodingIgnoreUnknownCharacters];
    NSData *iv = [self randomKeyDataGeneratorWithNumberBits:96];