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35 lines
667 B
Markdown
35 lines
667 B
Markdown
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---
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title: hmac
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linktitle: hmac
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description: Compute the cryptographic checksum of a message.
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godocref:
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date: 2020-05-29
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publishdate: 2020-05-29
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lastmod: 2020-05-29
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categories: [functions]
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menu:
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docs:
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parent: "functions"
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keywords: [hmac,checksum]
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signature: ["hmac HASH_TYPE KEY MESSAGE"]
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workson: []
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hugoversion:
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relatedfuncs: [hmac]
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deprecated: false
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aliases: [hmac]
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---
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`hmac` returns a cryptographic hash that uses a key to sign a message.
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```
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{{ hmac "sha256" "Secret key" "Hello world, gophers!"}},
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<!-- returns the string "b6d11b6c53830b9d87036272ca9fe9d19306b8f9d8aa07b15da27d89e6e34f40"
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```
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Supported hash functions:
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* md5
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* sha1
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* sha256
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* sha512
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