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RSA ct test: force RsaFunctionCheckIn to not be inlined

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In non-debug compilation, RsaFunctionCheckIn may be inlined.
The function operates on the input - value to exponentiate.
Constant time testing excludes all operations in this function.
This commit is contained in:
Sean Parkinson
2024-02-13 07:37:24 +10:00
parent 06f04def1b
commit f031d034df
2 changed files with 3 additions and 1 deletions
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2
wolfcrypt/src/rsa.c
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@ -3082,7 +3082,7 @@ int cc310_RsaSSL_Verify(const byte* in, word32 inLen, byte* sig,
#ifndef WOLF_CRYPTO_CB_ONLY_RSA
#if !defined(WOLFSSL_RSA_VERIFY_ONLY) && !defined(TEST_UNPAD_CONSTANT_TIME) && !defined(NO_RSA_BOUNDS_CHECK)
/* Check that 1 < in < n-1. (Requirement of 800-56B.) */
static int RsaFunctionCheckIn(const byte* in, word32 inLen, RsaKey* key,
int RsaFunctionCheckIn(const byte* in, word32 inLen, RsaKey* key,
int checkSmallCt)
{
int ret = 0;

2
wolfssl/wolfcrypt/rsa.h
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@ -444,6 +444,8 @@ WOLFSSL_LOCAL int wc_RsaUnPad_ex(byte* pkcsBlock, word32 pkcsBlockLen, byte** ou
int bits, void* heap);
WOLFSSL_LOCAL int wc_hash2mgf(enum wc_HashType hType);
WOLFSSL_LOCAL int RsaFunctionCheckIn(const byte* in, word32 inLen, RsaKey* key,
int checkSmallCt);
#ifdef __cplusplus
} /* extern "C" */