update(bufferPointer:)
Incrementally updates the hash function with the contents of the buffer.
Declaration
mutating func update(bufferPointer: UnsafeRawBufferPointer)Parameters
- bufferPointer:
A pointer to the next block of data for the ongoing digest calculation.
Discussion
Call this method one or more times to provide data to the hash function in blocks. After providing the last block of data, call the finalize() method to get the computed digest. Don’t call the update method again after finalizing the hash function.