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Add burn calls for temporary ss variable (#569)

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Hanno Böck 2019-12-09 17:45:35 +01:00 committed by Mounir IDRASSI
parent 0364a36f84
commit e6aae8bd71
1 changed files with 13 additions and 0 deletions
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13
src/Crypto/Aeskey.c
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@ -27,6 +27,7 @@
#include "Aesopt.h"
#include "Aestab.h"
#include "Common/Tcdefs.h"
#ifdef USE_VIA_ACE_IF_PRESENT
# include "aes_via_ace.h"
@ -95,6 +96,8 @@ AES_RETURN aes_encrypt_key128(const unsigned char *key, aes_encrypt_ctx cx[1])
cx->inf.b[1] = 0xff;
#endif
burn(ss, sizeof(ss));
#if defined( AES_ERR_CHK )
return EXIT_SUCCESS;
#endif
@ -147,6 +150,8 @@ AES_RETURN aes_encrypt_key192(const unsigned char *key, aes_encrypt_ctx cx[1])
cx->inf.b[1] = 0xff;
#endif
burn(ss, sizeof(ss));
#if defined( AES_ERR_CHK )
return EXIT_SUCCESS;
#endif
@ -202,6 +207,8 @@ AES_RETURN aes_encrypt_key256(const unsigned char *key, aes_encrypt_ctx cx[1])
cx->inf.b[1] = 0xff;
#endif
burn(ss, sizeof(ss));
#if defined( AES_ERR_CHK )
return EXIT_SUCCESS;
#endif
@ -352,6 +359,8 @@ AES_RETURN aes_decrypt_key128(const unsigned char *key, aes_decrypt_ctx cx[1])
cx->inf.b[1] = 0xff;
#endif
burn(ss, sizeof(ss));
#if defined( AES_ERR_CHK )
return EXIT_SUCCESS;
#endif
@ -439,6 +448,8 @@ AES_RETURN aes_decrypt_key192(const unsigned char *key, aes_decrypt_ctx cx[1])
cx->inf.b[1] = 0xff;
#endif
burn(ss, sizeof(ss));
#if defined( AES_ERR_CHK )
return EXIT_SUCCESS;
#endif
@ -538,6 +549,8 @@ AES_RETURN aes_decrypt_key256(const unsigned char *key, aes_decrypt_ctx cx[1])
cx->inf.b[1] = 0xff;
#endif
burn(ss, sizeof(ss));
#if defined( AES_ERR_CHK )
return EXIT_SUCCESS;
#endif