SHAMessageDigest Class Reference

Inherits from NSObject
Declared in SHAMessageDigest.h

Overview

Class holds secure one-way hash functions that take arbitrary-sized data and output a fixed-length hash value.

– updateWithString:

Accumulate string data chunk.

- (void)updateWithString:(NSString *)string

Discussion

Accumulate string data chunk.

Declared In

SHAMessageDigest.h

– update:

Accumulate raw data chunk.

- (void)update:(NSData *)data

Discussion

Accumulate raw data chunk.

Declared In

SHAMessageDigest.h

– final

Compute message digest with accumulated data chunks.

- (unsigned char *)final

Return Value

pointer to the internal buffer that holds the message digest value.

Discussion

Compute message digest with accumulated data chunks.

Declared In

SHAMessageDigest.h

– size

size of the message digest in bytes.

- (size_t)size

Return Value

size of the message digest in bytes.

Declared In

SHAMessageDigest.h