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Gnosis & Transaction Builder

I´m trying to use the Gnosis transaction builder to release transactions in a bulk but when I have to choose the Contract Method Selector the list does not show the "Transfer" option. How can I proceed?

Thanks,

How does the adversary calculate the message m in the rsa algorithm with the given parameters?

Suppose Alice and Bob use the RSA algorithm with the same module N and their general views are ea and eb respectively, where (ea,eb)=1. Peter encrypts the m message with the help of public view of Alice and Bob and sends it to them. Eve observes the encrypted messages ca = m^ea mod N and ::Listen

Suppose Alice and Bob use the RSA algorithm with the same module N and their general views are ea and eb respectively, where (ea,eb)=1. Peter encrypts the m message with the help of public view of Alice and Bob and sends it to them. Eve observes the encrypted messages ca = m^ea mod N and cb = m^eb mod N in the communication channel. After that,calculates the values x1=ea^-1 mod eb and x2=(x1ea-1)/( eb). How does Eve calculate message m using ca,cb,x1,x2?