1KCAPI_MD_SETKEY(3) Programming Interface KCAPI_MD_SETKEY(3)
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6 kcapi_md_setkey - set the key for the message digest handle
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9 int kcapi_md_setkey(struct kcapi_handle * handle, const uint8_t * key,
10 uint32_t keylen);
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13 handle
14 [in] cipher handle
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16 key
17 [in] key buffer
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19 keylen
20 [in] length of key buffer
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23 With this function, the caller sets the key for subsequent hashing
24 operations. This call is applicable for keyed message digests.
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26 After the caller provided the key, the caller may securely destroy the
27 key as it is now maintained by the kernel.
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29 return 0 upon success; a negative errno-style error code if an error
30 occurred
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33 Stephan Mueller <smueller@chronox.de>
34 Author.
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37libkcapi Manual 1.1.5 January 2020 KCAPI_MD_SETKEY(3)