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aes.h
Go to the documentation of this file.
1
35int wc_AesSetKey(Aes* aes, const byte* key, word32 len,
36 const byte* iv, int dir);
37
65int wc_AesSetIV(Aes* aes, const byte* iv);
66
115int wc_AesCbcEncrypt(Aes* aes, byte* out,
116 const byte* in, word32 sz);
117
168int wc_AesCbcDecrypt(Aes* aes, byte* out,
169 const byte* in, word32 sz);
170
214int wc_AesCtrEncrypt(Aes* aes, byte* out,
215 const byte* in, word32 sz);
216
249int wc_AesEncryptDirect(Aes* aes, byte* out, const byte* in);
250
284int wc_AesDecryptDirect(Aes* aes, byte* out, const byte* in);
285
328int wc_AesSetKeyDirect(Aes* aes, const byte* key, word32 len,
329 const byte* iv, int dir);
330
361int wc_AesGcmSetKey(Aes* aes, const byte* key, word32 len);
362
408int wc_AesGcmEncrypt(Aes* aes, byte* out,
409 const byte* in, word32 sz,
410 const byte* iv, word32 ivSz,
411 byte* authTag, word32 authTagSz,
412 const byte* authIn, word32 authInSz);
413
460int wc_AesGcmDecrypt(Aes* aes, byte* out,
461 const byte* in, word32 sz,
462 const byte* iv, word32 ivSz,
463 const byte* authTag, word32 authTagSz,
464 const byte* authIn, word32 authInSz);
465
489int wc_GmacSetKey(Gmac* gmac, const byte* key, word32 len);
490
527int wc_GmacUpdate(Gmac* gmac, const byte* iv, word32 ivSz,
528 const byte* authIn, word32 authInSz,
529 byte* authTag, word32 authTagSz);
530
555int wc_AesCcmSetKey(Aes* aes, const byte* key, word32 keySz);
556
600int wc_AesCcmEncrypt(Aes* aes, byte* out,
601 const byte* in, word32 inSz,
602 const byte* nonce, word32 nonceSz,
603 byte* authTag, word32 authTagSz,
604 const byte* authIn, word32 authInSz);
605
655int wc_AesCcmDecrypt(Aes* aes, byte* out,
656 const byte* in, word32 inSz,
657 const byte* nonce, word32 nonceSz,
658 const byte* authTag, word32 authTagSz,
659 const byte* authIn, word32 authInSz);
660
694int wc_AesXtsInit(XtsAes* aes, void* heap, int devId);
695
696
733int wc_AesXtsSetKeyNoInit(XtsAes* aes, const byte* key,
734 word32 len, int dir);
735
736
771int wc_AesXtsSetKey(XtsAes* aes, const byte* key,
772 word32 len, int dir, void* heap, int devId);
773
812int wc_AesXtsEncryptSector(XtsAes* aes, byte* out,
813 const byte* in, word32 sz, word64 sector);
814
853int wc_AesXtsDecryptSector(XtsAes* aes, byte* out,
854 const byte* in, word32 sz, word64 sector);
855
895int wc_AesXtsEncrypt(XtsAes* aes, byte* out,
896 const byte* in, word32 sz, const byte* i, word32 iSz);
897
936int wc_AesXtsDecrypt(XtsAes* aes, byte* out,
937 const byte* in, word32 sz, const byte* i, word32 iSz);
938
965int wc_AesXtsFree(XtsAes* aes);
966
967
994int wc_AesInit(Aes* aes, void* heap, int devId);
995
1021int wc_AesFree(Aes* aes);
1022
1053int wc_AesCfbEncrypt(Aes* aes, byte* out, const byte* in, word32 sz);
1054
1085int wc_AesCfbDecrypt(Aes* aes, byte* out, const byte* in, word32 sz);
1086
1130int wc_AesSivEncrypt(const byte* key, word32 keySz, const byte* assoc,
1131 word32 assocSz, const byte* nonce, word32 nonceSz,
1132 const byte* in, word32 inSz, byte* siv, byte* out);
1133
1177int wc_AesSivDecrypt(const byte* key, word32 keySz, const byte* assoc,
1178 word32 assocSz, const byte* nonce, word32 nonceSz,
1179 const byte* in, word32 inSz, byte* siv, byte* out);
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1238WOLFSSL_API int wc_AesEaxEncryptAuth(const byte* key, word32 keySz, byte* out,
1239 const byte* in, word32 inSz,
1240 const byte* nonce, word32 nonceSz,
1241 /* output computed auth tag */
1242 byte* authTag, word32 authTagSz,
1243 /* input data to authenticate */
1244 const byte* authIn, word32 authInSz);
1298WOLFSSL_API int wc_AesEaxDecryptAuth(const byte* key, word32 keySz, byte* out,
1299 const byte* in, word32 inSz,
1300 const byte* nonce, word32 nonceSz,
1301 /* auth tag to verify against */
1302 const byte* authTag, word32 authTagSz,
1303 /* input data to authenticate */
1304 const byte* authIn, word32 authInSz);
1305
1371WOLFSSL_API int wc_AesEaxInit(AesEax* eax,
1372 const byte* key, word32 keySz,
1373 const byte* nonce, word32 nonceSz,
1374 const byte* authIn, word32 authInSz);
1375
1437WOLFSSL_API int wc_AesEaxEncryptUpdate(AesEax* eax, byte* out,
1438 const byte* in, word32 inSz,
1439 const byte* authIn, word32 authInSz);
1440
1504WOLFSSL_API int wc_AesEaxDecryptUpdate(AesEax* eax, byte* out,
1505 const byte* in, word32 inSz,
1506 const byte* authIn, word32 authInSz);
1569WOLFSSL_API int wc_AesEaxAuthDataUpdate(AesEax* eax,
1570 const byte* authIn, word32 authInSz);
1571
1630WOLFSSL_API int wc_AesEaxEncryptFinal(AesEax* eax,
1631 byte* authTag, word32 authTagSz);
1632
1695WOLFSSL_API int wc_AesEaxDecryptFinal(AesEax* eax,
1696 const byte* authIn, word32 authInSz);
1726WOLFSSL_API int wc_AesEaxFree(AesEax* eax);
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int wc_AesXtsInit(XtsAes *aes, void *heap, int devId)
This is to initialize an AES-XTS context. It is up to user to call wc_AesXtsFree on aes key when done...
int wc_AesXtsEncrypt(XtsAes *aes, byte *out, const byte *in, word32 sz, const byte *i, word32 iSz)
AES with XTS mode. (XTS) XEX encryption with Tweak and cipher text Stealing.
WOLFSSL_API int wc_AesEaxDecryptAuth(const byte *key, word32 keySz, byte *out, const byte *in, word32 inSz, const byte *nonce, word32 nonceSz, const byte *authTag, word32 authTagSz, const byte *authIn, word32 authInSz)
This function performs AES EAX decryption and authentication as described in "EAX: A Conventional Aut...
int wc_AesCcmSetKey(Aes *aes, const byte *key, word32 keySz)
This function sets the key for an AES object using CCM (Counter with CBC-MAC). It takes a pointer to ...
WOLFSSL_API int wc_AesEaxEncryptAuth(const byte *key, word32 keySz, byte *out, const byte *in, word32 inSz, const byte *nonce, word32 nonceSz, byte *authTag, word32 authTagSz, const byte *authIn, word32 authInSz)
This function performs AES EAX encryption and authentication as described in "EAX: A Conventional Aut...
WOLFSSL_API int wc_AesEaxEncryptUpdate(AesEax *eax, byte *out, const byte *in, word32 inSz, const byte *authIn, word32 authInSz)
This function uses AES EAX to encrypt input data, and optionally, add more input data to the authenti...
int wc_AesCfbDecrypt(Aes *aes, byte *out, const byte *in, word32 sz)
AES with CFB mode.
int wc_AesCbcDecrypt(Aes *aes, byte *out, const byte *in, word32 sz)
Decrypts a cipher from the input buffer in, and places the resulting plain text in the output buffer ...
int wc_AesGcmDecrypt(Aes *aes, byte *out, const byte *in, word32 sz, const byte *iv, word32 ivSz, const byte *authTag, word32 authTagSz, const byte *authIn, word32 authInSz)
This function decrypts the input cipher text, held in the buffer in, and stores the resulting message...
int wc_AesInit(Aes *aes, void *heap, int devId)
Initialize Aes structure. Sets heap hint to be used and ID for use with async hardware....
WOLFSSL_API int wc_AesEaxDecryptUpdate(AesEax *eax, byte *out, const byte *in, word32 inSz, const byte *authIn, word32 authInSz)
This function uses AES EAX to decrypt input data, and optionally, add more input data to the authenti...
int wc_AesSivEncrypt(const byte *key, word32 keySz, const byte *assoc, word32 assocSz, const byte *nonce, word32 nonceSz, const byte *in, word32 inSz, byte *siv, byte *out)
This function performs SIV (synthetic initialization vector) encryption as described in RFC 5297.
int wc_AesGcmSetKey(Aes *aes, const byte *key, word32 len)
This function is used to set the key for AES GCM (Galois/Counter Mode). It initializes an AES object ...
int wc_AesCcmEncrypt(Aes *aes, byte *out, const byte *in, word32 inSz, const byte *nonce, word32 nonceSz, byte *authTag, word32 authTagSz, const byte *authIn, word32 authInSz)
This function encrypts the input message, in, into the output buffer, out, using CCM (Counter with CB...
int wc_AesSetIV(Aes *aes, const byte *iv)
This function sets the initialization vector for a particular AES object. The AES object should be in...
int wc_AesXtsDecryptSector(XtsAes *aes, byte *out, const byte *in, word32 sz, word64 sector)
Same process as wc_AesXtsDecrypt but uses a word64 type as the tweak value instead of a byte array....
WOLFSSL_API int wc_AesEaxEncryptFinal(AesEax *eax, byte *authTag, word32 authTagSz)
This function finalizes the encrypt AEAD operation, producing an auth tag over the current authentica...
int wc_AesCcmDecrypt(Aes *aes, byte *out, const byte *in, word32 inSz, const byte *nonce, word32 nonceSz, const byte *authTag, word32 authTagSz, const byte *authIn, word32 authInSz)
This function decrypts the input cipher text, in, into the output buffer, out, using CCM (Counter wit...
WOLFSSL_API int wc_AesEaxInit(AesEax *eax, const byte *key, word32 keySz, const byte *nonce, word32 nonceSz, const byte *authIn, word32 authInSz)
This function initializes an AesEax object for use in authenticated encryption or decryption....
WOLFSSL_API int wc_AesEaxAuthDataUpdate(AesEax *eax, const byte *authIn, word32 authInSz)
This function adds input data to the authentication stream. eax must have been previously initialized...
int wc_AesXtsSetKeyNoInit(XtsAes *aes, const byte *key, word32 len, int dir)
This is to help with setting keys to correct encrypt or decrypt type, after first calling wc_AesXtsIn...
int wc_AesGcmEncrypt(Aes *aes, byte *out, const byte *in, word32 sz, const byte *iv, word32 ivSz, byte *authTag, word32 authTagSz, const byte *authIn, word32 authInSz)
This function encrypts the input message, held in the buffer in, and stores the resulting cipher text...
int wc_AesXtsFree(XtsAes *aes)
This is to free up any resources used by the XtsAes structure.
int wc_AesSivDecrypt(const byte *key, word32 keySz, const byte *assoc, word32 assocSz, const byte *nonce, word32 nonceSz, const byte *in, word32 inSz, byte *siv, byte *out)
This function performs SIV (synthetic initialization vector) decryption as described in RFC 5297.
int wc_AesCfbEncrypt(Aes *aes, byte *out, const byte *in, word32 sz)
AES with CFB mode.
int wc_AesFree(Aes *aes)
free resources associated with the Aes structure when applicable. Internally may sometimes be a no-op...
int wc_AesXtsSetKey(XtsAes *aes, const byte *key, word32 len, int dir, void *heap, int devId)
This is to help with setting keys to correct encrypt or decrypt type. It is up to user to call wc_Aes...
WOLFSSL_API int wc_AesEaxDecryptFinal(AesEax *eax, const byte *authIn, word32 authInSz)
This function finalizes the decrypt AEAD operation, finalizing the auth tag computation and checking ...
int wc_AesCtrEncrypt(Aes *aes, byte *out, const byte *in, word32 sz)
Encrypts/Decrypts a message from the input buffer in, and places the resulting cipher text in the out...
int wc_AesDecryptDirect(Aes *aes, byte *out, const byte *in)
This function is a one-block decrypt of the input block, in, into the output block,...
int wc_AesXtsDecrypt(XtsAes *aes, byte *out, const byte *in, word32 sz, const byte *i, word32 iSz)
Same process as encryption but Aes key is AES_DECRYPTION type.
WOLFSSL_API int wc_AesEaxFree(AesEax *eax)
This frees up any resources, specifically keys, used by the Aes instance inside the AesEax wrapper st...
int wc_AesSetKey(Aes *aes, const byte *key, word32 len, const byte *iv, int dir)
This function initializes an AES structure by setting the key and then setting the initialization vec...
int wc_AesEncryptDirect(Aes *aes, byte *out, const byte *in)
This function is a one-block encrypt of the input block, in, into the output block,...
int wc_GmacSetKey(Gmac *gmac, const byte *key, word32 len)
This function initializes and sets the key for a GMAC object to be used for Galois Message Authentica...
int wc_GmacUpdate(Gmac *gmac, const byte *iv, word32 ivSz, const byte *authIn, word32 authInSz, byte *authTag, word32 authTagSz)
This function generates the Gmac hash of the authIn input and stores the result in the authTag buffer...
int wc_AesCbcEncrypt(Aes *aes, byte *out, const byte *in, word32 sz)
Encrypts a plaintext message from the input buffer in, and places the resulting cipher text in the ou...
int wc_AesXtsEncryptSector(XtsAes *aes, byte *out, const byte *in, word32 sz, word64 sector)
Same process as wc_AesXtsEncrypt but uses a word64 type as the tweak value instead of a byte array....
int wc_AesSetKeyDirect(Aes *aes, const byte *key, word32 len, const byte *iv, int dir)
This function is used to set the AES keys for CTR mode with AES. It initializes an AES object with th...