Fix  error in decrypt function
Fix  error in decrypt function

If set pass, iv and key no need generated iv and key

TrustedPlus/trusted-crypto,TrustedPlus/crypto,TrustedPlus/trusted-crypto,Digt/trusted-crypto,Digt/trusted-crypto,TrustedPlus/crypto,Digt/trusted-crypto,TrustedPlus/crypto,Digt/trusted-crypto,TrustedPlus/crypto,TrustedPlus/crypto,TrustedPlus/trusted-crypto,Digt/trusted-crypto,TrustedPlus/trusted-crypto,TrustedPlus/trusted-crypto