mirror of
https://github.com/Mbed-TLS/mbedtls.git
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@@ -32,7 +32,10 @@
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* \brief Take the input keying material \p ikm and extract from it a
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* \brief Take the input keying material \p ikm and extract from it a
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* fixed-length pseudorandom key \p prk.
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* fixed-length pseudorandom key \p prk.
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*
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*
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* \param alg A hash function.
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* \param alg The HMAC algorithm to use
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* (\c #PSA_ALG_HMAC( PSA_ALG_XXX ) value such that
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* PSA_ALG_XXX is a hash algorithm and
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* #PSA_ALG_IS_HMAC(\p alg) is true).
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* \param salt An optional salt value (a non-secret random value);
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* \param salt An optional salt value (a non-secret random value);
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* if the salt is not provided, a string of all zeros
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* if the salt is not provided, a string of all zeros
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* of the length of the hash provided by \p alg is used
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* of the length of the hash provided by \p alg is used
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