lib/mbedtls
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Use size_t cast for pointer subtractions

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Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
This commit is contained in:
Dave Rodgman
2023-11-04 12:20:09 +00:00
parent effdfe7409
commit e4a6f5a7ec
26 changed files with 99 additions and 98 deletions
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6
library/rsa.c
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@@ -1620,12 +1620,12 @@ int mbedtls_rsa_rsaes_oaep_decrypt(mbedtls_rsa_context *ctx,
goto cleanup;
}
if (ilen - (p - buf) > output_max_len) {
if (ilen - ((size_t) (p - buf)) > output_max_len) {
ret = MBEDTLS_ERR_RSA_OUTPUT_TOO_LARGE;
goto cleanup;
}
*olen = ilen - (p - buf);
*olen = ilen - ((size_t) (p - buf));
if (*olen != 0) {
memcpy(output, p, *olen);
}
@@ -2191,7 +2191,7 @@ int mbedtls_rsa_rsassa_pss_verify_ext(mbedtls_rsa_context *ctx,
return MBEDTLS_ERR_RSA_INVALID_PADDING;
}
observed_salt_len = hash_start - p;
observed_salt_len = (size_t) (hash_start - p);
if (expected_salt_len != MBEDTLS_RSA_SALT_LEN_ANY &&
observed_salt_len != (size_t) expected_salt_len) {