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Fix IAR pointless integer comparison

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Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
This commit is contained in:
Dave Rodgman
2023-09-28 17:17:07 +01:00
parent 7e9af05409
commit 02a53d7bef
3 changed files with 10 additions and 0 deletions
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6
library/pk_wrap.c
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@ -262,9 +262,11 @@ static int rsa_verify_wrap(mbedtls_pk_context *pk, mbedtls_md_type_t md_alg,
mbedtls_rsa_context *rsa = (mbedtls_rsa_context *) pk->pk_ctx;
size_t rsa_len = mbedtls_rsa_get_len(rsa);
#if SIZE_MAX > UINT_MAX
if (md_alg == MBEDTLS_MD_NONE && UINT_MAX < hash_len) {
return MBEDTLS_ERR_PK_BAD_INPUT_DATA;
}
#endif
if (sig_len < rsa_len) {
return MBEDTLS_ERR_RSA_VERIFY_FAILED;
@ -382,9 +384,11 @@ static int rsa_sign_wrap(mbedtls_pk_context *pk, mbedtls_md_type_t md_alg,
{
mbedtls_rsa_context *rsa = (mbedtls_rsa_context *) pk->pk_ctx;
#if SIZE_MAX > UINT_MAX
if (md_alg == MBEDTLS_MD_NONE && UINT_MAX < hash_len) {
return MBEDTLS_ERR_PK_BAD_INPUT_DATA;
}
#endif
*sig_len = mbedtls_rsa_get_len(rsa);
if (sig_size < *sig_len) {
@ -1565,9 +1569,11 @@ static int rsa_alt_sign_wrap(mbedtls_pk_context *pk, mbedtls_md_type_t md_alg,
{
mbedtls_rsa_alt_context *rsa_alt = pk->pk_ctx;
#if SIZE_MAX > UINT_MAX
if (UINT_MAX < hash_len) {
return MBEDTLS_ERR_PK_BAD_INPUT_DATA;
}
#endif
*sig_len = rsa_alt->key_len_func(rsa_alt->key);
if (*sig_len > MBEDTLS_PK_SIGNATURE_MAX_SIZE) {