What is the output format of SHA256
What is the output format of the SHA256? It is composed by lett开发者_开发知识库ers and numbers only? And it is case insensitive?
As with most (all?) crypto hashes, the output of SHA-256 is binary data. How that binary data is encoded in a text format is up to you. For example, you could encode it as hex, or base64.
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