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This commit is contained in:
Megamouse 2022-06-06 22:06:42 +02:00
parent 4d09be25aa
commit 8e667e69f6
9 changed files with 160 additions and 31 deletions
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22
rpcs3/Crypto/utils.cpp
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@ -5,6 +5,7 @@
#include "utils.h"
#include "aes.h"
#include "sha1.h"
#include "sha256.h"
#include "key_vault.h"
#include <cstring>
#include <stdio.h>
@ -138,6 +139,27 @@ char* extract_file_name(const char* file_path, char real_file_name[CRYPTO_MAX_PA
return real_file_name;
}
std::string sha256_get_hash(const char* data, usz size, bool lower_case)
{
u8 res_hash[32];
mbedtls_sha256_context ctx;
mbedtls_sha256_init(&ctx);
mbedtls_sha256_starts_ret(&ctx, 0);
mbedtls_sha256_update_ret(&ctx, reinterpret_cast<const unsigned char*>(data), size);
mbedtls_sha256_finish_ret(&ctx, res_hash);
std::string res_hash_string("0000000000000000000000000000000000000000000000000000000000000000");
for (usz index = 0; index < 32; index++)
{
const auto pal = lower_case ? "0123456789abcdef" : "0123456789ABCDEF";
res_hash_string[index * 2] = pal[res_hash[index] >> 4];
res_hash_string[(index * 2) + 1] = pal[res_hash[index] & 15];
}
return res_hash_string;
}
void mbedtls_zeroize(void *v, size_t n)
{
static void *(*const volatile unop_memset)(void *, int, size_t) = &memset;