3235
It was found that a determined hacker could intercept the encrypted messages between two iPhones and reveal the 64 - digit key used to decrypt the messages .
 ( discover vulnerability: was found,  It: vulnerability, intercept the encrypted messages: capabilities, reveal the 64 - digit key used to decrypt the messages: capabilities, iPhones: vulnerable system, a determined hacker: discoverer) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: phishing, data breach, ransom, discover vulnerability, patch vulnerability, Arguments type: vulnerable system, capabilities, vulnerability, number of victim, issues addressed, compromised data, damage amount, common vulnerabilities and exposures, victim, patch number, number of data, tool, discoverer, time, purpose, place, payment method, releaser, vulnerable system version, attacker, supported platform, patch, price, vulnerable system owner, trusted entity, attack pattern. 
Text: {0} 
Answer:
 ( discover vulnerability: was found,  It: vulnerability, intercept the encrypted messages: capabilities, reveal the 64 - digit key used to decrypt the messages: capabilities, iPhones: vulnerable system, a determined hacker: discoverer) 