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add portable AES-GCM (Galois/Counter Mode) implementation to libsec and devtls

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This commit is contained in:
cinap_lenrek 2016-03-23 02:45:35 +01:00
parent 7ff779ff52
commit aa6673fcfb
7 changed files with 669 additions and 22 deletions
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16
sys/include/libsec.h
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@ -27,7 +27,7 @@ struct AESstate
ulong ekey[4*(AESmaxrounds + 1)]; /* encryption key */
ulong dkey[4*(AESmaxrounds + 1)]; /* decryption key */
uchar ivec[AESbsize]; /* initialization vector */
uchar mackey[3 * AESbsize]; /* 3 XCBC mac 96 keys */
uchar mackey[3 * AESbsize]; /* 3 XCBC mac 96 keys */
};
/* block ciphers */
@ -41,6 +41,20 @@ void aesCBCdecrypt(uchar *p, int len, AESstate *s);
void setupAESXCBCstate(AESstate *s);
uchar* aesXCBCmac(uchar *p, int len, AESstate *s);
typedef struct AESGCMstate AESGCMstate;
struct AESGCMstate
{
AESstate;
ulong H[4];
ulong M[16][256][4];
};
void setupAESGCMstate(AESGCMstate *s, uchar *key, int keylen, uchar *iv, int ivlen);
void aesgcm_setiv(AESGCMstate *s, uchar *iv, int ivlen);
void aesgcm_encrypt(uchar *dat, ulong ndat, uchar *aad, ulong naad, uchar tag[16], AESGCMstate *s);
int aesgcm_decrypt(uchar *dat, ulong ndat, uchar *aad, ulong naad, uchar tag[16], AESGCMstate *s);
/*
* Blowfish Definitions
*/