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/mcuboot-2.7.6/boot/bootutil/src/
Dencrypted.c304 hkdf(uint8_t *ikm, uint16_t ikm_len, uint8_t *info, uint16_t info_len, in hkdf() argument
321 if (ikm == NULL || okm == NULL || ikm_len == 0) { in hkdf()
333 rc = bootutil_hmac_sha256_update(&hmac, ikm, ikm_len); in hkdf()