| /optee_os/core/lib/libtomcrypt/src/modes/lrw/ |
| H A D | lrw_process.c | 21 …rocess(const unsigned char *pt, unsigned char *ct, unsigned long len, int mode, symmetric_LRW *lrw) in lrw_process() argument
31 LTC_ARGCHK(lrw != NULL); in lrw_process()
39 XMEMCPY(prod, lrw->pad, 16); in lrw_process()
43 lrw->IV[x] = (lrw->IV[x] + 1) & 255; in lrw_process()
44 if (lrw->IV[x]) { in lrw_process()
55 …FAST_TYPE_PTR_CAST(lrw->pad + y)) ^= *(LTC_FAST_TYPE_PTR_CAST(&lrw->PC[x][lrw->IV[x]][y])) ^ *(LTC… in lrw_process()
59 lrw->pad[y] ^= lrw->PC[x][lrw->IV[x]][y] ^ lrw->PC[x][(lrw->IV[x]-1)&255][y]; in lrw_process()
64 gcm_gf_mult(lrw->tweak, lrw->IV, lrw->pad); in lrw_process()
80 if ((err = cipher_descriptor[lrw->cipher]->ecb_encrypt(ct, ct, &lrw->key)) != CRYPT_OK) { in lrw_process()
84 if ((err = cipher_descriptor[lrw->cipher]->ecb_decrypt(ct, ct, &lrw->key)) != CRYPT_OK) { in lrw_process()
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| H A D | lrw_setiv.c | 19 int lrw_setiv(const unsigned char *IV, unsigned long len, symmetric_LRW *lrw) in lrw_setiv() argument
27 LTC_ARGCHK(lrw != NULL); in lrw_setiv()
33 if ((err = cipher_is_valid(lrw->cipher)) != CRYPT_OK) { in lrw_setiv()
38 XMEMCPY(lrw->IV, IV, 16); in lrw_setiv()
41 …if (cipher_descriptor[lrw->cipher]->accel_lrw_encrypt != NULL && cipher_descriptor[lrw->cipher]->a… in lrw_setiv()
47 XMEMCPY(T, &lrw->PC[0][IV[0]][0], 16); in lrw_setiv()
51 *(LTC_FAST_TYPE_PTR_CAST(T + y)) ^= *(LTC_FAST_TYPE_PTR_CAST(&lrw->PC[x][IV[x]][y])); in lrw_setiv()
55 T[y] ^= lrw->PC[x][IV[x]][y]; in lrw_setiv()
59 XMEMCPY(lrw->pad, T, 16); in lrw_setiv()
61 gcm_gf_mult(lrw->tweak, IV, lrw->pad); in lrw_setiv()
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| H A D | lrw_test.c | 65 symmetric_LRW lrw; in lrw_test()
78 … if ((err = lrw_start(idx, tests[x].IV, tests[x].key, 16, tests[x].tweak, 0, &lrw)) != CRYPT_OK) { in lrw_test()
83 if (compare_testvector(tests[x].expected_tweak, 16, lrw.pad, 16, "LRW Tweak", x)) { in lrw_test()
84 lrw_done(&lrw); in lrw_test()
89 if ((err = lrw_encrypt(tests[x].P, buf[0], 16, &lrw)) != CRYPT_OK) { in lrw_test()
90 lrw_done(&lrw); in lrw_test()
95 lrw_done(&lrw); in lrw_test()
100 if ((err = lrw_setiv(tests[x].IV, 16, &lrw)) != CRYPT_OK) { in lrw_test()
101 lrw_done(&lrw); in lrw_test()
105 if ((err = lrw_decrypt(buf[0], buf[1], 16, &lrw)) != CRYPT_OK) { in lrw_test()
[all …]
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| H A D | lrw_decrypt.c | 19 int lrw_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_LRW *lrw) in lrw_decrypt() argument
25 LTC_ARGCHK(lrw != NULL); in lrw_decrypt()
27 if ((err = cipher_is_valid(lrw->cipher)) != CRYPT_OK) { in lrw_decrypt()
31 if (cipher_descriptor[lrw->cipher]->accel_lrw_decrypt != NULL) { in lrw_decrypt()
32 …return cipher_descriptor[lrw->cipher]->accel_lrw_decrypt(ct, pt, len, lrw->IV, lrw->tweak, &lrw->k… in lrw_decrypt()
35 return lrw_process(ct, pt, len, LRW_DECRYPT, lrw); in lrw_decrypt()
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| H A D | lrw_encrypt.c | 19 int lrw_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, symmetric_LRW *lrw) in lrw_encrypt() argument
25 LTC_ARGCHK(lrw != NULL); in lrw_encrypt()
27 if ((err = cipher_is_valid(lrw->cipher)) != CRYPT_OK) { in lrw_encrypt()
31 if (cipher_descriptor[lrw->cipher]->accel_lrw_encrypt != NULL) { in lrw_encrypt()
32 …return cipher_descriptor[lrw->cipher]->accel_lrw_encrypt(pt, ct, len, lrw->IV, lrw->tweak, &lrw->k… in lrw_encrypt()
35 return lrw_process(pt, ct, len, LRW_ENCRYPT, lrw); in lrw_encrypt()
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| H A D | lrw_start.c | 28 symmetric_LRW *lrw) in lrw_start() argument
39 LTC_ARGCHK(lrw != NULL); in lrw_start()
56 if ((err = cipher_descriptor[cipher]->setup(key, keylen, num_rounds, &lrw->key)) != CRYPT_OK) { in lrw_start()
59 lrw->cipher = cipher; in lrw_start()
62 XMEMCPY(lrw->tweak, tweak, 16); in lrw_start()
70 gcm_gf_mult(tweak, B, &lrw->PC[0][y][0]); in lrw_start()
77 t = lrw->PC[x-1][y][15]; in lrw_start()
79 lrw->PC[x][y][z] = lrw->PC[x-1][y][z-1]; in lrw_start()
81 lrw->PC[x][y][0] = gcm_shift_table[t<<1]; in lrw_start()
82 lrw->PC[x][y][1] ^= gcm_shift_table[(t<<1)+1]; in lrw_start()
[all …]
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| H A D | lrw_done.c | 17 int lrw_done(symmetric_LRW *lrw) in lrw_done() argument
21 LTC_ARGCHK(lrw != NULL); in lrw_done()
23 if ((err = cipher_is_valid(lrw->cipher)) != CRYPT_OK) { in lrw_done()
26 cipher_descriptor[lrw->cipher]->done(&lrw->key); in lrw_done()
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| H A D | lrw_getiv.c | 19 int lrw_getiv(unsigned char *IV, unsigned long *len, const symmetric_LRW *lrw) in lrw_getiv() argument
23 LTC_ARGCHK(lrw != NULL); in lrw_getiv()
29 XMEMCPY(IV, lrw->IV, 16); in lrw_getiv()
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| /optee_os/core/lib/libtomcrypt/src/headers/ |
| H A D | tomcrypt_cipher.h | 957 symmetric_LRW *lrw);
958 int lrw_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, symmetric_LRW *lrw);
959 int lrw_decrypt(const unsigned char *ct, unsigned char *pt, unsigned long len, symmetric_LRW *lrw);
960 int lrw_getiv(unsigned char *IV, unsigned long *len, const symmetric_LRW *lrw);
961 int lrw_setiv(const unsigned char *IV, unsigned long len, symmetric_LRW *lrw);
962 int lrw_done(symmetric_LRW *lrw);
966 …ocess(const unsigned char *pt, unsigned char *ct, unsigned long len, int mode, symmetric_LRW *lrw);
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