hash_sha256

The hash_sha256 function returns a SHA-256 hash value for the input value.

Syntax

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    hash_sha256( Source )

Arguments

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• Source: The value to be hashed.

Returns

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The SHA-256 hash value of the given scalar, encoded as a hex string (a string of characters, each two of which represent a single Hex number between 0 and 255).

Examples

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• h1=hash_sha256("World")
• h2=hash_sha256(datetime(2020-01-01))

Aggregate by hash

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This example uses the hash_sha256 function to aggregate StormEvents based on the State’s SHA-256 hash value.

dataset=StormEvents
| summarize StormCount = count() by State, StateHash=hash_sha256(State)
| top 5 by StormCount desc

Returns the following: