public final class SHA256Generator extends Object
Constructor and Description |
---|
SHA256Generator(I2PAppContext context) |
Modifier and Type | Method and Description |
---|---|
Hash |
calculateHash(byte[] source)
Calculate the SHA-256 hash of the source and cache the result.
|
Hash |
calculateHash(byte[] source,
int start,
int len)
Calculate the hash and cache the result.
|
void |
calculateHash(byte[] source,
int start,
int len,
byte[] out,
int outOffset)
Use this if you only need the data, not a Hash object.
|
static MessageDigest |
getDigestInstance()
Return a new MessageDigest from the system libs.
|
static SHA256Generator |
getInstance() |
public SHA256Generator(I2PAppContext context)
context
- unusedpublic static final SHA256Generator getInstance()
public final Hash calculateHash(byte[] source)
source
- what to hashpublic final Hash calculateHash(byte[] source, int start, int len)
source
- what to hashpublic final void calculateHash(byte[] source, int start, int len, byte[] out, int outOffset)
out
- needs 32 bytes starting at outOffsetpublic static MessageDigest getDigestInstance()