Opaque mbedtls_HMAC256_DRBG_reseed_function.
Opaque initial_key. Opaque initial_value.
Opaque mbedtls_HMAC256_DRBG_reseed_function.
Opaque list_repeat.
Require hmacdrbg.verif_hmac_drbg_seed.

Lemma body_hmac_drbg_update_abs: semax_body HmacDrbgVarSpecs HmacDrbgFunSpecs
f_mbedtls_hmac_drbg_update drbg_update_abs_spec.