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fix(crypto): hash full size_t inputs (#11359)

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This commit is contained in:
Benjamin Faershtein
2026-08-06 11:21:56 +00:00
committed by GitHub
parent 9cd73fecb9
commit 7d54c13ec0
2 changed files with 15 additions and 3 deletions
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src/mesh/CryptoEngine.cpp
+2 -2
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@@ -302,8 +302,8 @@ void CryptoEngine::hash(uint8_t *bytes, size_t numBytes)
{
SHA256 hash;
size_t posn;
uint8_t size = numBytes;
uint8_t inc = 16;
size_t size = numBytes;
constexpr size_t inc = 16;
hash.reset();
for (posn = 0; posn < size; posn += inc) {
size_t len = size - posn;
test/test_crypto/test_main.cpp
+13 -1
View File
@@ -47,6 +47,17 @@ void test_SHA256(void)
crypto->hash(hash, 2);
TEST_ASSERT_EQUAL_MEMORY(hash, expected, 32);
}
void test_SHA256_large_input(void)
{
uint8_t hash[300] = {0};
uint8_t expected[32];
HexToBytes(expected, "d13d4a8b3b8add19b5970157f09d00c12cbda4fed4d74d8493156523f7069b66");
crypto->hash(hash, sizeof(hash));
TEST_ASSERT_EQUAL_MEMORY(hash, expected, sizeof(expected));
}
void test_ECB_AES256(void)
{
// https://csrc.nist.gov/CSRC/media/Projects/Cryptographic-Standards-and-Guidelines/documents/examples/AES_ECB.pdf
@@ -357,6 +368,7 @@ void setup()
initializeTestEnvironment();
UNITY_BEGIN(); // IMPORTANT LINE!
RUN_TEST(test_SHA256);
RUN_TEST(test_SHA256_large_input);
RUN_TEST(test_ECB_AES256);
RUN_TEST(test_DH25519);
RUN_TEST(test_AES_CTR);
@@ -371,4 +383,4 @@ void setup()
exit(UNITY_END()); // stop unit testing
}
void loop() {}
void loop() {}