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Introduce sha_quick() function

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d0k3 2016-04-29 02:29:31 +02:00
parent bc102c3645
commit 3aada172b9
1 changed files with 4 additions and 12 deletions
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16
source/nand/nand.c
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@ -113,13 +113,9 @@ bool InitNandCrypto(void)
u8 shasum[32]; u8 shasum[32];
sdmmc_get_cid( 1, (uint32_t*) NandCid); sdmmc_get_cid( 1, (uint32_t*) NandCid);
sha_init(SHA256_MODE); sha_quick(shasum, NandCid, 16, SHA256_MODE);
sha_update(NandCid, 16);
sha_get(shasum);
memcpy(CtrNandCtr, shasum, 16); memcpy(CtrNandCtr, shasum, 16);
sha_init(SHA1_MODE); sha_quick(shasum, NandCid, 16, SHA1_MODE);
sha_update(NandCid, 16);
sha_get(shasum);
for(u32 i = 0; i < 16; i++) // little endian and reversed order for(u32 i = 0; i < 16; i++) // little endian and reversed order
TwlNandCtr[i] = shasum[15-i]; TwlNandCtr[i] = shasum[15-i];
@ -178,9 +174,7 @@ bool InitNandCrypto(void)
memcpy(slot0x05KeyY, buffer + 0x14, 16); memcpy(slot0x05KeyY, buffer + 0x14, 16);
// check the key // check the key
sha_init(SHA256_MODE); sha_quick(shasum, slot0x05KeyY, 16, SHA256_MODE);
sha_update(slot0x05KeyY, 16);
sha_get(shasum);
if (memcmp(shasum, slot0x05KeyY_sha256, 32) == 0) { if (memcmp(shasum, slot0x05KeyY_sha256, 32) == 0) {
setup_aeskeyY(0x05, slot0x05KeyY); setup_aeskeyY(0x05, slot0x05KeyY);
use_aeskey(0x05); use_aeskey(0x05);
@ -196,9 +190,7 @@ bool CheckSlot0x05Crypto(void)
{ {
// step #1 - check the slot0x05KeyY SHA-256 // step #1 - check the slot0x05KeyY SHA-256
u8 shasum[32]; u8 shasum[32];
sha_init(SHA256_MODE); sha_quick(shasum, slot0x05KeyY, 16, SHA256_MODE);
sha_update(slot0x05KeyY, 16);
sha_get(shasum);
if (memcmp(shasum, slot0x05KeyY_sha256, 32) == 0) if (memcmp(shasum, slot0x05KeyY_sha256, 32) == 0)
return true; return true;