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Update docs/getting_started.md

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Co-Authored-By: Gilles Peskine <gilles.peskine@arm.com>
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Guy Wild
2019-09-04 09:17:54 +03:00
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@ -557,7 +557,7 @@ function, specifying the derivation algorithm `PSA_ALG_HKDF(PSA_ALG_SHA_256)`.
1. Provide `secret` with `psa_key_derivation_input_key()`, referencing a key that
can be used for key derivation.
1. Set the key attributes desired for the new derived key. We'll set
the `PSA_KEY_USAGE_ENCRYPT` parameter and the `PSA_ALG_CTR` algorithm for this
the `PSA_KEY_USAGE_ENCRYPT` usage flag and the `PSA_ALG_CTR` algorithm for this
example.
1. Derive the key by calling `psa_key_derivation_output_key()`.
1. Clean up the key derivation context.