IBM InfoSphere Streams Version 4.1.0

C++ Native Functions: `com.ibm.streams.teda.utility`

SPL standard and specialized toolkits > com.ibm.streams.teda 1.0.2 > com.ibm.streams.teda.utility > C++ Native Functions

This page documents native functions that can be invoked from SPL, including the SPL interfaces that can be used to invoke each of the native functions.

Functions

public rstring sha2hash160(blob value)

Computes a 160-bit SHA-2 hash value from a given input value.

Examples:

blob key = (blob)(list<uint8>)[ 1ub, 2ub, 3ub ];
rstring hashA = sha2hash160(key);

Parameters

value: The blob input value.

Returns

A hexadecimal string representation of the SHA-2 hash value.

public rstring sha2hash160(rstring value)

Computes a 160-bit SHA-2 hash value from a given input value.

Examples:

rstring hashA = sha2hash160("Hello World.");
rstring hashB = sha2hash160((rstring) 123.4);
rstring hashC = sha2hash160("Hello World." + (rstring)MyAttribute + "/" + (rstring)MyOtherAttribute);

Parameters

value: The rstring input value.

Returns

A hexadecimal string representation of the SHA-2 hash value.

public blob sha2hash160raw(blob value)

Computes a 160-bit SHA-2 hash value from a given input value.

Examples:

blob key = (blob)(list<uint8>)[ 1ub, 2ub, 3ub ];
blob hashA = sha2hash160raw(key);

Parameters

value: The blob input value.

Returns

The SHA-2 hash value as a sequence of raw bytes (blob).

public blob sha2hash160raw(rstring value)

Computes a 160-bit SHA-2 hash value from a given input value.

Examples:

blob hashA = sha2hash160raw("Hello World.");
blob hashB = sha2hash160raw((rstring) 123.4);
blob hashC = sha2hash160raw("Hello World." + (rstring)MyAttribute + "/" + (rstring)MyOtherAttribute);

Parameters

value: The rstring input value.

Returns

The SHA-2 hash value as a sequence of raw bytes (blob).

public rstring sha2hash224(blob value)

Computes a 224-bit SHA-2 hash value from a given input value.

Examples:

blob key = (blob)(list<uint8>)[ 1ub, 2ub, 3ub ];
rstring hashA = sha2hash224(key);

Parameters

value: The blob input value.

Returns

A hexadecimal string representation of the SHA-2 hash value.

public rstring sha2hash224(rstring value)

Computes a 224-bit SHA-2 hash value from a given input value.

Examples:

rstring hashA = sha2hash224("Hello World.");
rstring hashB = sha2hash224((rstring) 123.4);
rstring hashC = sha2hash224("Hello World." + (rstring)MyAttribute + "/" + (rstring)MyOtherAttribute);

Parameters

value: The rstring input value.

Returns

A hexadecimal string representation of the SHA-2 hash value.

public blob sha2hash224raw(blob value)

Computes a 224-bit SHA-2 hash value from a given input value.

Examples:

blob key = (blob)(list<uint8>)[ 1ub, 2ub, 3ub ];
blob hashA = sha2hash224raw(key);

Parameters

value: The blob input value.

Returns

The SHA-2 hash value as a sequence of raw bytes (blob).

public blob sha2hash224raw(rstring value)

Computes a 224-bit SHA-2 hash value from a given input value.

Examples:

blob hashA = sha2hash224raw("Hello World.");
blob hashB = sha2hash224raw((rstring) 123.4);
blob hashC = sha2hash224raw("Hello World." + (rstring)MyAttribute + "/" + (rstring)MyOtherAttribute);

Parameters

value: The rstring input value.

Returns

The SHA-2 hash value as a sequence of raw bytes (blob).

public rstring sha2hash256(blob value)

Computes a 256-bit SHA-2 hash value from a given input value.

Examples:

blob key = (blob)(list<uint8>)[ 1ub, 2ub, 3ub ];
rstring hashA = sha2hash256(key);

Parameters

value: The blob input value.

Returns

A hexadecimal string representation of the SHA-2 hash value.

public rstring sha2hash256(rstring value)

Computes a 256-bit SHA-2 hash value from a given input value.

Examples:

rstring hashA = sha2hash256("Hello World.");
rstring hashB = sha2hash256((rstring) 123.4);
rstring hashC = sha2hash256("Hello World." + (rstring)MyAttribute + "/" + (rstring)MyOtherAttribute);

Parameters

value: The rstring input value.

Returns

A hexadecimal string representation of the SHA-2 hash value.

public blob sha2hash256raw(blob value)

Computes a 256-bit SHA-2 hash value from a given input value.

Examples:

blob key = (blob)(list<uint8>)[ 1ub, 2ub, 3ub ];
blob hashA = sha2hash256raw(key);

Parameters

value: The blob input value.

Returns

The SHA-2 hash value as a sequence of raw bytes (blob).

public blob sha2hash256raw(rstring value)

Computes a 256-bit SHA-2 hash value from a given input value.

Examples:

blob hashA = sha2hash256raw("Hello World.");
blob hashB = sha2hash256raw((rstring) 123.4);
blob hashC = sha2hash256raw("Hello World." + (rstring)MyAttribute + "/" + (rstring)MyOtherAttribute);

Parameters

value: The rstring input value.

Returns

The SHA-2 hash value as a sequence of raw bytes (blob).

public rstring sha2hash384(blob value)

Computes a 384-bit SHA-2 hash value from a given input value.

Examples:

blob key = (blob)(list<uint8>)[ 1ub, 2ub, 3ub ];
rstring hashA = sha2hash384(key);

Parameters

value: The blob input value.

Returns

A hexadecimal string representation of the SHA-2 hash value.

public rstring sha2hash384(rstring value)

Computes a 384-bit SHA-2 hash value from a given input value.

Examples:

rstring hashA = sha2hash384("Hello World.");
rstring hashB = sha2hash384((rstring) 123.4);
rstring hashC = sha2hash384("Hello World." + (rstring)MyAttribute + "/" + (rstring)MyOtherAttribute);

Parameters

value: The rstring input value.

Returns

A hexadecimal string representation of the SHA-2 hash value.

public blob sha2hash384raw(blob value)

Computes a 384-bit SHA-2 hash value from a given input value.

Examples:

blob key = (blob)(list<uint8>)[ 1ub, 2ub, 3ub ];
blob hashA = sha2hash384raw(key);

Parameters

value: The blob input value.

Returns

The SHA-2 hash value as a sequence of raw bytes (blob).

public blob sha2hash384raw(rstring value)

Computes a 384-bit SHA-2 hash value from a given input value.

Examples:

blob hashA = sha2hash384raw("Hello World.");
blob hashB = sha2hash384raw((rstring) 123.4);
blob hashC = sha2hash384raw("Hello World." + (rstring)MyAttribute + "/" + (rstring)MyOtherAttribute);

Parameters

value: The rstring input value.

Returns

The SHA-2 hash value as a sequence of raw bytes (blob).

public rstring sha2hash512(blob value)

Computes a 512-bit SHA-2 hash value from a given input value.

Examples:

blob key = (blob)(list<uint8>)[ 1ub, 2ub, 3ub ];
rstring hashA = sha2hash512(key);

Parameters

value: The blob input value.

Returns

A hexadecimal string representation of the SHA-2 hash value.

public rstring sha2hash512(rstring value)

Computes a 512-bit SHA-2 hash value from a given input value.

Examples:

rstring hashA = sha2hash512("Hello World.");
rstring hashB = sha2hash512((rstring) 123.4);
rstring hashC = sha2hash512("Hello World." + (rstring)MyAttribute + "/" + (rstring)MyOtherAttribute);

Parameters

value: The rstring input value.

Returns

A hexadecimal string representation of the SHA-2 hash value.

public blob sha2hash512raw(blob value)

Computes a 512-bit SHA-2 hash value from a given input value.

Examples:

blob key = (blob)(list<uint8>)[ 1ub, 2ub, 3ub ];
blob hashA = sha2hash512raw(key);

Parameters

value: The blob input value.

Returns

The SHA-2 hash value as a sequence of raw bytes (blob).

public blob sha2hash512raw(rstring value)

Computes a 512-bit SHA-2 hash value from a given input value.

Examples:

blob hashA = sha2hash512raw("Hello World.");
blob hashB = sha2hash512raw((rstring) 123.4);
blob hashC = sha2hash512raw("Hello World." + (rstring)MyAttribute + "/" + (rstring)MyOtherAttribute);

Parameters

value: The rstring input value.

Returns

The SHA-2 hash value as a sequence of raw bytes (blob).

C++ Native Functions: com.ibm.streams.teda.utility

C++ Native Functions: `com.ibm.streams.teda.utility`