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add NULL reference checks to RSA functions

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Ruby Martin
2025-05-15 13:20:22 -06:00
parent 91af9073b0
commit 7ae2c24ac4
1 changed files with 27 additions and 0 deletions
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27
wolfcrypt/src/rsa.c
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@ -3761,6 +3761,9 @@ int wc_RsaPrivateDecryptInline(byte* in, word32 inLen, byte** out, RsaKey* key)
WC_RNG* rng; WC_RNG* rng;
int ret; int ret;
#ifdef WC_RSA_BLINDING #ifdef WC_RSA_BLINDING
if (key == NULL) {
return BAD_FUNC_ARG;
}
rng = key->rng; rng = key->rng;
#else #else
rng = NULL; rng = NULL;
@ -3782,6 +3785,9 @@ int wc_RsaPrivateDecryptInline_ex(byte* in, word32 inLen, byte** out,
WC_RNG* rng; WC_RNG* rng;
int ret; int ret;
#ifdef WC_RSA_BLINDING #ifdef WC_RSA_BLINDING
if (key == NULL) {
return BAD_FUNC_ARG;
}
rng = key->rng; rng = key->rng;
#else #else
rng = NULL; rng = NULL;
@ -3802,6 +3808,9 @@ int wc_RsaPrivateDecrypt(const byte* in, word32 inLen, byte* out,
WC_RNG* rng; WC_RNG* rng;
int ret; int ret;
#ifdef WC_RSA_BLINDING #ifdef WC_RSA_BLINDING
if (key == NULL) {
return BAD_FUNC_ARG;
}
rng = key->rng; rng = key->rng;
#else #else
rng = NULL; rng = NULL;
@ -3823,6 +3832,9 @@ int wc_RsaPrivateDecrypt_ex(const byte* in, word32 inLen, byte* out,
WC_RNG* rng; WC_RNG* rng;
int ret; int ret;
#ifdef WC_RSA_BLINDING #ifdef WC_RSA_BLINDING
if (key == NULL) {
return BAD_FUNC_ARG;
}
rng = key->rng; rng = key->rng;
#else #else
rng = NULL; rng = NULL;
@ -3843,6 +3855,9 @@ int wc_RsaSSL_VerifyInline(byte* in, word32 inLen, byte** out, RsaKey* key)
WC_RNG* rng; WC_RNG* rng;
int ret; int ret;
#ifdef WC_RSA_BLINDING #ifdef WC_RSA_BLINDING
if (key == NULL) {
return BAD_FUNC_ARG;
}
rng = key->rng; rng = key->rng;
#else #else
rng = NULL; rng = NULL;
@ -3951,6 +3966,9 @@ int wc_RsaPSS_VerifyInline_ex(byte* in, word32 inLen, byte** out,
WC_RNG* rng; WC_RNG* rng;
int ret; int ret;
#ifdef WC_RSA_BLINDING #ifdef WC_RSA_BLINDING
if (key == NULL) {
return BAD_FUNC_ARG;
}
rng = key->rng; rng = key->rng;
#else #else
rng = NULL; rng = NULL;
@ -4006,6 +4024,9 @@ int wc_RsaPSS_Verify_ex(byte* in, word32 inLen, byte* out, word32 outLen,
WC_RNG* rng; WC_RNG* rng;
int ret; int ret;
#ifdef WC_RSA_BLINDING #ifdef WC_RSA_BLINDING
if (key == NULL) {
return BAD_FUNC_ARG;
}
rng = key->rng; rng = key->rng;
#else #else
rng = NULL; rng = NULL;
@ -4192,6 +4213,9 @@ int wc_RsaPSS_VerifyCheckInline(byte* in, word32 inLen, byte** out,
saltLen = hLen; saltLen = hLen;
#ifdef WOLFSSL_SHA512 #ifdef WOLFSSL_SHA512
if (key == NULL) {
return BAD_FUNC_ARG;
}
/* See FIPS 186-4 section 5.5 item (e). */ /* See FIPS 186-4 section 5.5 item (e). */
bits = mp_count_bits(&key->n); bits = mp_count_bits(&key->n);
if (bits == 1024 && hLen == WC_SHA512_DIGEST_SIZE) if (bits == 1024 && hLen == WC_SHA512_DIGEST_SIZE)
@ -4238,6 +4262,9 @@ int wc_RsaPSS_VerifyCheck(byte* in, word32 inLen, byte* out, word32 outLen,
saltLen = hLen; saltLen = hLen;
#ifdef WOLFSSL_SHA512 #ifdef WOLFSSL_SHA512
if (key == NULL) {
return BAD_FUNC_ARG;
}
/* See FIPS 186-4 section 5.5 item (e). */ /* See FIPS 186-4 section 5.5 item (e). */
bits = mp_count_bits(&key->n); bits = mp_count_bits(&key->n);
if (bits == 1024 && hLen == WC_SHA512_DIGEST_SIZE) if (bits == 1024 && hLen == WC_SHA512_DIGEST_SIZE)