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Implement HKDF extract in TLS 1.3 based on PSA HMAC

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Signed-off-by: Gabor Mezei <gabor.mezei@arm.com>
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Gabor Mezei
2022-01-31 16:33:47 +01:00
parent 436b72690d
commit 9f4bb319c9
2 changed files with 56 additions and 0 deletions
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5
library/ssl_tls13_invasive.h
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@ -28,6 +28,11 @@
#if defined(MBEDTLS_PSA_CRYPTO_C)
int mbedtls_psa_hkdf_extract( psa_algorithm_t alg,
const unsigned char *salt, size_t salt_len,
const unsigned char *ikm, size_t ikm_len,
unsigned char *prk );
/**
* \brief Expand the supplied \p prk into several additional pseudorandom
* keys, which is the output of the HKDF.