Generates a cryptographically random 32-byte file key.
32 random bytes to be used as the per-file AES-256 key.
const fileKey = generateFileKey();// use with encryptMediaChunk / wrapKeyForRecipient Copy
const fileKey = generateFileKey();// use with encryptMediaChunk / wrapKeyForRecipient
Generates a cryptographically random 32-byte file key.