Function decrypt_string 

pub fn decrypt_string(
    sk_string: &String,
    ciphertext_base64: &String,
    params: &Parameters,
) -> String

decrypt a ciphertext string given a secret key

Arguments

• sk_string - secret key string in base64 encoding
• ciphertext_string - ciphertext string in base64 encoding
• params - Parameters for the ring-LWE cryptosystem

Returns

• message_string - decrypted message string as plaintext