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Fix Temporary GMAC Keys

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This commit is contained in:
Florian Märkl 2019-04-12 23:06:48 +02:00
commit ca647d0927
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GPG key ID: 125BC8A5A6A1E857
1 changed files with 5 additions and 2 deletions
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7
lib/src/gkcrypt.c
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@ -118,7 +118,10 @@ CHIAKI_EXPORT void chiaki_gkcrypt_gen_new_gmac_key(ChiakiGKCrypt *gkcrypt, uint6
CHIAKI_EXPORT void chiaki_gkcrypt_gen_tmp_gmac_key(ChiakiGKCrypt *gkcrypt, uint64_t index, uint8_t *key_out)
{
chiaki_gkcrypt_gen_gmac_key(index, index ? gkcrypt->key_gmac_base : gkcrypt->key_base, gkcrypt->iv, key_out);
if(index)
chiaki_gkcrypt_gen_gmac_key(index, gkcrypt->key_gmac_base, gkcrypt->iv, key_out);
else
memcpy(key_out, gkcrypt->key_gmac_base, sizeof(gkcrypt->key_gmac_base));
}
CHIAKI_EXPORT ChiakiErrorCode chiaki_gkcrypt_gen_key_stream(ChiakiGKCrypt *gkcrypt, size_t key_pos, uint8_t *buf, size_t buf_size)
@ -198,7 +201,7 @@ CHIAKI_EXPORT ChiakiErrorCode chiaki_gkcrypt_gmac(ChiakiGKCrypt *gkcrypt, size_t
{
chiaki_gkcrypt_gen_new_gmac_key(gkcrypt, key_index);
}
else if(key_pos < gkcrypt->key_gmac_index_current)
else if(key_index < gkcrypt->key_gmac_index_current)
{
chiaki_gkcrypt_gen_tmp_gmac_key(gkcrypt, key_index, gmac_key_tmp);
gmac_key = gmac_key_tmp;