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From a9922c7fd020a764645b6b6de05dcc0b45fb8e44 Mon Sep 17 00:00:00 2001 From: scgbckbone <[email protected]> Date: Sat, 1 Aug 2026 16:11:09 +0200 Subject: [PATCH 1/6] Replace Yasmarang with SHA-256 Hash-DRBG --- ngu/micropython.mk | 3 +- ngu/ngu_tests/test_random.py | 23 ++++++++++-- ngu/random.c | 71 ++++++++++++++++++++++-------------- 3 files changed, 64 insertions(+), 33 deletions(-) diff --git a/ngu/micropython.mk b/ngu/micropython.mk index baf48c8..db7d582 100644 --- a/ngu/micropython.mk +++ b/ngu/micropython.mk @@ -23,7 +23,7 @@ CFLAGS_USERMOD += -DNGU_INCL_AES=1 CIFRA_SRC = $(NGU_TOP_DIR)/libs/cifra/src CIFRA_CFLAGS = $(CFLAGS) -DFULL_FAT_ASSERT -I$(NGU_TOP_DIR)/libs/cifra/src \ -I$(NGU_TOP_DIR)/libs/cifra/src/ext -CIFRA_PARTS = hmac.o sha1.o sha3.o sha256.o sha512.o pbkdf2.o chash.o blockwise.o \ +CIFRA_PARTS = hmac.o sha1.o sha3.o sha256.o sha512.o pbkdf2.o chash.o blockwise.o drbg.o \ aes.o modes.o CIFRA_OBJS = $(addprefix $(CIFRA_SRC)/, $(CIFRA_PARTS)) @@ -43,4 +43,3 @@ PY_O += $(BUILD)/hack_lib_cifra.o endif SRC_USERMOD += $(addprefix $(USERMOD_DIR)/, $(MY_FILES)) - diff --git a/ngu/ngu_tests/test_random.py b/ngu/ngu_tests/test_random.py index 7e3c292..9ab3c1c 100644 --- a/ngu/ngu_tests/test_random.py +++ b/ngu/ngu_tests/test_random.py @@ -30,9 +30,24 @@ print(" => %.0f %%" % covered) assert covered >= 97 # maybe bad luck -# api test only; can't verify results -ngu.random.reseed(123) -ngu.random.reseed(456) -ngu.random.reseed(0xffff_ffff) +# reseed API boundaries +for seed in (b'', bytes(31)): + try: + ngu.random.reseed(seed)Excerpt only. The complete copy is held offline and backs quotations on this site. The original publication remains the canonical public source.
0 presentation-noise differences. Sidebar, ticker and other page chrome churn that our review classified as not being changes to what the source says.
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