In a chosen ciphertext attack, what capability does the adversary have?

What is the primary purpose of the Merkle-Damgård design paradigm in the context of constructing cryptographic hash functions? 

What is a fundamental form of attack to consider when examining an encryption scheme? (Select the best answer choice.)

In a Merkle-Damgard design paradigm, a compression function        and updates the internal state of the hash function.

What is a significant security guarantee of a one-time pad when used correctly? 

In OFB mode with AES or DES, how is the pseudo-random sequence generated?

Consider the molecule SiCl4. The electronegativity values of Si and Cl are 1.8 and 3.0, respectively. Based on these values and on considering the molecular geometry of the moelcule, the individual Si-Cl bonds are  and the entire molecule is .

Complete this problem: Sodium bicarbonate (NaHCO3) is reacted with concentrated hydrochloric acid at STP. The reaction of 6.00 kg of sodium bicarbonate with excess HCl will produce how many Liters of CO2?                    NaHCO3 + HCl –> NaCl + CO2 + H2O Describe IN WORDS what you have done AND write your numerical answer in liters. Remember- write anything and everything you did- I will attempt to give partial credit here. 🙂  

B. Complétez  Fill in the blanks with the names of the appropriate places based on the chapter vocabulary. (5 x 1 pt. each = 5 pts.)

Grégoire parle à Marc.