Lemma mbedtls_HMAC256_DRBG_reseed_functionWFaux a s data ss A B zz C D
(H: mbedtls_HMAC256_DRBG_reseed_function s a data =
ENTROPY.success (A, B, zz, C, D)  ss):
0 <= zz < Int.max_signed /\ Zlength A = 32.