Home
last modified time | relevance | path

Searched +full:- +full:z (Results 1 – 25 of 178) sorted by relevance

12345678

/optee_os/core/lib/libtomcrypt/src/pk/asn1/der/sequence/
H A Dder_encode_sequence_ex.c1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis */
2 /* SPDX-License-Identifier: Unlicense */
27 unsigned long size, x, y, z, i; in der_encode_sequence_ex() local
35 y = 0; z = 0; in der_encode_sequence_ex()
36 if (der_length_sequence_ex(list, inlen, &y, &z) != CRYPT_OK) return CRYPT_INVALID_ARG; in der_encode_sequence_ex()
49 y = *outlen - x; in der_encode_sequence_ex()
50 if ((err = der_encode_asn1_length(z, &out[x], &y)) != CRYPT_OK) { in der_encode_sequence_ex()
56 *outlen -= x; in der_encode_sequence_ex()
68 z = *outlen; in der_encode_sequence_ex()
69 if ((err = der_encode_boolean(*((int *)data), out + x, &z)) != CRYPT_OK) { in der_encode_sequence_ex()
[all …]
/optee_os/core/lib/libtomcrypt/src/pk/asn1/der/custom_type/
H A Dder_encode_custom_type.c1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis */
2 /* SPDX-License-Identifier: Unlicense */
17 root-ltc_asn1_list where the type is defined.
30 unsigned long size, x, y, z, i, inlen, id_len; in der_encode_custom_type() local
38 y = 0; z = 0; in der_encode_custom_type()
39 if (der_length_custom_type(root, &y, &z) != CRYPT_OK) return CRYPT_INVALID_ARG; in der_encode_custom_type()
53 if (root->pc == LTC_ASN1_PC_PRIMITIVE) { in der_encode_custom_type()
60 x -= 1; in der_encode_custom_type()
62 list = root->data; in der_encode_custom_type()
63 inlen = root->size; in der_encode_custom_type()
[all …]
H A Dder_decode_custom_type.c1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis */
2 /* SPDX-License-Identifier: Unlicense */
28 Extended-decode a Custom type
50 unsigned long size, x, y, z, blksize; in der_decode_custom_type_ex() local
71 if (root->type != LTC_ASN1_CUSTOM_TYPE) { in der_decode_custom_type_ex()
76 if (root->pc == LTC_ASN1_PC_PRIMITIVE) { in der_decode_custom_type_ex()
89 if ((ident.type != root->type) || in der_decode_custom_type_ex()
90 (ident.klass != root->klass) || in der_decode_custom_type_ex()
91 (ident.pc != root->pc) || in der_decode_custom_type_ex()
92 (ident.tag != root->tag)) { in der_decode_custom_type_ex()
[all …]
/optee_os/core/lib/libtomcrypt/src/pk/asn1/der/choice/
H A Dder_decode_choice.c1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis */
2 /* SPDX-License-Identifier: Unlicense */
23 unsigned long size, x, z; in der_decode_choice() local
48 if (der_length_boolean(&z) == CRYPT_OK) { in der_decode_choice()
50 *inlen = z; in der_decode_choice()
58 if (der_length_integer(data, &z) == CRYPT_OK) { in der_decode_choice()
60 *inlen = z; in der_decode_choice()
68 if (der_length_short_integer(*(unsigned long*)data, &z) == CRYPT_OK) { in der_decode_choice()
70 *inlen = z; in der_decode_choice()
78 if (der_length_bit_string(size, &z) == CRYPT_OK) { in der_decode_choice()
[all …]
/optee_os/core/lib/libtomcrypt/src/ciphers/
H A Dxtea.c1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis */
2 /* SPDX-License-Identifier: Unlicense */
49 skey->xtea.A[x] = (sum + K[sum&3]) & 0xFFFFFFFFUL; in xtea_setup()
51 skey->xtea.B[x] = (sum + K[(sum>>11)&3]) & 0xFFFFFFFFUL; in xtea_setup()
70 ulong32 y, z; in xtea_ecb_encrypt() local
78 LOAD32H(z, &pt[4]); in xtea_ecb_encrypt()
80 y = (y + ((((z<<4)^(z>>5)) + z) ^ skey->xtea.A[r])) & 0xFFFFFFFFUL; in xtea_ecb_encrypt()
81 z = (z + ((((y<<4)^(y>>5)) + y) ^ skey->xtea.B[r])) & 0xFFFFFFFFUL; in xtea_ecb_encrypt()
83 y = (y + ((((z<<4)^(z>>5)) + z) ^ skey->xtea.A[r+1])) & 0xFFFFFFFFUL; in xtea_ecb_encrypt()
84 z = (z + ((((y<<4)^(y>>5)) + y) ^ skey->xtea.B[r+1])) & 0xFFFFFFFFUL; in xtea_ecb_encrypt()
[all …]
H A Dcast5.c1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis */
2 /* SPDX-License-Identifier: Unlicense */
387 #define GB(x, i) ((unsigned char)((x[(15-i)>>2])>>(unsigned)(8*((15-i)&3))))
389 #define GB(x, i) (((x[(15-i)>>2])>>(unsigned)(8*((15-i)&3)))&255)
406 ulong32 x[4], z[4]; in s_cast5_setup() local
431 LOAD32H(x[3-y],buf+4*y); in s_cast5_setup()
435 … z[3] = x[3] ^ S5[GB(x, 0xD)] ^ S6[GB(x, 0xF)] ^ S7[GB(x, 0xC)] ^ S8[GB(x, 0xE)] ^ S7[GB(x, 0x8)]; in s_cast5_setup()
436 … z[2] = x[1] ^ S5[GB(z, 0x0)] ^ S6[GB(z, 0x2)] ^ S7[GB(z, 0x1)] ^ S8[GB(z, 0x3)] ^ S8[GB(x, 0xA)]; in s_cast5_setup()
437 … z[1] = x[0] ^ S5[GB(z, 0x7)] ^ S6[GB(z, 0x6)] ^ S7[GB(z, 0x5)] ^ S8[GB(z, 0x4)] ^ S5[GB(x, 0x9)]; in s_cast5_setup()
438 … z[0] = x[2] ^ S5[GB(z, 0xA)] ^ S6[GB(z, 0x9)] ^ S7[GB(z, 0xb)] ^ S8[GB(z, 0x8)] ^ S6[GB(x, 0xB)]; in s_cast5_setup()
[all …]
/optee_os/core/lib/libtomcrypt/src/pk/ecc/
H A Dltc_ecc_projective_add_point.c1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis */
2 /* SPDX-License-Identifier: Unlicense */
25 void *t1, *t2, *x, *y, *z; in ltc_ecc_projective_add_point() local
34 if ((err = mp_init_multi(&t1, &t2, &x, &y, &z, LTC_NULL)) != CRYPT_OK) { in ltc_ecc_projective_add_point()
52 if ((mp_cmp(P->x, Q->x) == LTC_MP_EQ) && (mp_cmp(P->z, Q->z) == LTC_MP_EQ)) { in ltc_ecc_projective_add_point()
53 if (mp_cmp(P->y, Q->y) == LTC_MP_EQ) { in ltc_ecc_projective_add_point()
55 mp_clear_multi(t1, t2, x, y, z, LTC_NULL); in ltc_ecc_projective_add_point()
58 if ((err = mp_sub(modulus, Q->y, t1)) != CRYPT_OK) { goto done; } in ltc_ecc_projective_add_point()
59 if (mp_cmp(P->y, t1) == LTC_MP_EQ) { in ltc_ecc_projective_add_point()
60 /* here Q = -P >>> Result = the point at infinity */ in ltc_ecc_projective_add_point()
[all …]
H A Dltc_ecc_points.c1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis */
2 /* SPDX-License-Identifier: Unlicense */
25 &p->x, &p->y, &p->z, LTC_NULL) != CRYPT_OK) { in ltc_ecc_new_point()
39 …mp_clear_multi(p->x, p->y, p->z, LTC_NULL); /* note: p->z may be NULL but that's ok with this func… in ltc_ecc_del_point()
44 int ltc_ecc_set_point_xyz(ltc_mp_digit x, ltc_mp_digit y, ltc_mp_digit z, ecc_point *p) in ltc_ecc_set_point_xyz() argument
47 if ((err = ltc_mp.set_int(p->x, x)) != CRYPT_OK) return err; in ltc_ecc_set_point_xyz()
48 if ((err = ltc_mp.set_int(p->y, y)) != CRYPT_OK) return err; in ltc_ecc_set_point_xyz()
49 if ((err = ltc_mp.set_int(p->z, z)) != CRYPT_OK) return err; in ltc_ecc_set_point_xyz()
56 if ((err = ltc_mp.copy(src->x, dst->x)) != CRYPT_OK) return err; in ltc_ecc_copy_point()
57 if ((err = ltc_mp.copy(src->y, dst->y)) != CRYPT_OK) return err; in ltc_ecc_copy_point()
[all …]
H A Dltc_ecc_map.c1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis */
2 /* SPDX-License-Identifier: Unlicense */
29 if (mp_iszero(P->z)) { in ltc_ecc_map()
37 /* first map z back to normal */ in ltc_ecc_map()
38 if ((err = mp_montgomery_reduce(P->z, modulus, mp)) != CRYPT_OK) { goto done; } in ltc_ecc_map()
40 /* get 1/z */ in ltc_ecc_map()
41 if ((err = mp_invmod(P->z, modulus, t1)) != CRYPT_OK) { goto done; } in ltc_ecc_map()
43 /* get 1/z^2 and 1/z^3 */ in ltc_ecc_map()
50 if ((err = mp_mul(P->x, t2, P->x)) != CRYPT_OK) { goto done; } in ltc_ecc_map()
51 if ((err = mp_montgomery_reduce(P->x, modulus, mp)) != CRYPT_OK) { goto done; } in ltc_ecc_map()
[all …]
H A Dltc_ecc_projective_dbl_point.c1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis */
2 /* SPDX-License-Identifier: Unlicense */
9 * in Jacobian coordinates it becomes: y^2 = x^3 + a*x*z^4 + b*z^6
12 * Xr = M^2 - 2*S
13 * Yr = M * (S - Xr) - 8*T
20 * SPECIAL CASE: when a == -3 we can compute M as
21 * M = 3 * (Xp^2 - Zp^4) = 3 * (Xp + Zp^2) * (Xp - Zp^2)
65 /* t1 = Z * Z */ in ltc_ecc_projective_dbl_point()
66 if ((err = mp_sqr(R->z, t1)) != CRYPT_OK) { goto done; } in ltc_ecc_projective_dbl_point()
68 /* Z = Y * Z */ in ltc_ecc_projective_dbl_point()
[all …]
/optee_os/core/lib/libtomcrypt/src/pk/asn1/der/short_integer/
H A Dder_encode_short_integer.c1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis */
2 /* SPDX-License-Identifier: Unlicense */
14 Store a short integer in the range (0,2^32-1)
22 unsigned long len, x, y, z; in der_encode_short_integer() local
42 z = 0; in der_encode_short_integer()
45 ++z; in der_encode_short_integer()
50 if (z == 0) { in der_encode_short_integer()
51 z = 1; in der_encode_short_integer()
55 z += (num&(1UL<<((z<<3) - 1))) ? 1 : 0; in der_encode_short_integer()
57 /* adjust the number so the msB is non-zero */ in der_encode_short_integer()
[all …]
H A Dder_length_short_integer.c1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis */
2 /* SPDX-License-Identifier: Unlicense */
20 unsigned long z, y; in der_length_short_integer() local
29 z = 0; in der_length_short_integer()
32 ++z; in der_length_short_integer()
37 if (z == 0) { in der_length_short_integer()
38 z = 1; in der_length_short_integer()
39 } else if ((num&(1UL<<((z<<3) - 1))) != 0) { in der_length_short_integer()
41 ++z; in der_length_short_integer()
44 if ((err = der_length_asn1_length(z, &y)) != CRYPT_OK) { in der_length_short_integer()
[all …]
/optee_os/core/lib/libtomcrypt/src/encauth/ccm/
H A Dccm_memory.c1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis */
2 /* SPDX-License-Identifier: Unlicense */
47 unsigned long len, L, x, y, z, CTRlen; in ccm_memory() local
73 if (cipher_descriptor[cipher]->block_length != 16) { in ccm_memory()
83 if (cipher_descriptor[cipher]->accel_ccm_memory != NULL) { in ccm_memory()
84 return cipher_descriptor[cipher]->accel_ccm_memory( in ccm_memory()
108 if ((15 - noncelen) > L) { in ccm_memory()
109 L = 15 - noncelen; in ccm_memory()
123 if ((err = cipher_descriptor[cipher]->setup(key, keylen, 0, skey)) != CRYPT_OK) { in ccm_memory()
143 (((*taglen - 2)>>1)<<3) | in ccm_memory()
[all …]
/optee_os/core/lib/libtomcrypt/src/pk/asn1/der/utf8/
H A Dder_decode_utf8_string.c1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis */
2 /* SPDX-License-Identifier: Unlicense */
25 unsigned long x, y, z, len; in der_decode_utf8_string() local
44 y = inlen - x; in der_decode_utf8_string()
50 if (len > (inlen - x)) { in der_decode_utf8_string()
57 https://tools.ietf.org/html/rfc3629#section-3 in der_decode_utf8_string()
76 /* determine z, the number of leading ones. in der_decode_utf8_string()
77 this is done by left-shifting tmp, which clears the ms-bits */ in der_decode_utf8_string()
78 for (z = 0; (tmp & 0x80) && (z <= 4); z++, tmp = (tmp << 1) & 0xFF); in der_decode_utf8_string()
80 /* z should be in {0,2,3,4} */ in der_decode_utf8_string()
[all …]
/optee_os/lib/libutils/isoc/arch/arm/softfloat/source/
H A Ds_shiftRightJam128Extra.c1 // SPDX-License-Identifier: BSD-3-Clause
5 This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
49 struct uint128_extra z; in softfloat_shiftRightJam128Extra() local
51 negCount = -count; in softfloat_shiftRightJam128Extra()
53 z.v.v64 = a64>>count; in softfloat_shiftRightJam128Extra()
54 z.v.v0 = a64<<(negCount & 63) | a0>>count; in softfloat_shiftRightJam128Extra()
55 z.extra = a0<<(negCount & 63); in softfloat_shiftRightJam128Extra()
57 z.v.v64 = 0; in softfloat_shiftRightJam128Extra()
59 z.v.v0 = a64; in softfloat_shiftRightJam128Extra()
60 z.extra = a0; in softfloat_shiftRightJam128Extra()
[all …]
H A Ds_normSubnormalF128Sig.c1 // SPDX-License-Identifier: BSD-3-Clause
5 This C source file is part of the SoftFloat IEEE Floating-Point Arithmetic
46 struct exp32_sig128 z; in softfloat_normSubnormalF128Sig() local
49 shiftCount = softfloat_countLeadingZeros64( sig0 ) - 15; in softfloat_normSubnormalF128Sig()
50 z.exp = -63 - shiftCount; in softfloat_normSubnormalF128Sig()
52 z.sig.v64 = sig0>>-shiftCount; in softfloat_normSubnormalF128Sig()
53 z.sig.v0 = sig0<<(shiftCount & 63); in softfloat_normSubnormalF128Sig()
55 z.sig.v64 = sig0<<shiftCount; in softfloat_normSubnormalF128Sig()
56 z.sig.v0 = 0; in softfloat_normSubnormalF128Sig()
59 shiftCount = softfloat_countLeadingZeros64( sig64 ) - 15; in softfloat_normSubnormalF128Sig()
[all …]
/optee_os/core/lib/libtomcrypt/src/pk/asn1/der/object_identifier/
H A Dder_length_object_identifier.c1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis */
2 /* SPDX-License-Identifier: Unlicense */
34 unsigned long y, z, t, wordbuf; in der_length_object_identifier() local
51 z = 0; in der_length_object_identifier()
55 z += t/7 + ((t%7) ? 1 : 0) + (wordbuf == 0 ? 1 : 0); in der_length_object_identifier()
56 if (y < nwords - 1) { in der_length_object_identifier()
63 if (z < 128) { in der_length_object_identifier()
64 z += 2; in der_length_object_identifier()
65 } else if (z < 256) { in der_length_object_identifier()
66 z += 3; in der_length_object_identifier()
[all …]
H A Dder_encode_object_identifier.c1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis */
2 /* SPDX-License-Identifier: Unlicense */
13 @param words The words to encode (upto 32-bits each)
22 unsigned long i, x, y, z, t, mask, wordbuf; in der_encode_object_identifier() local
39 z = 0; in der_encode_object_identifier()
43 z += t/7 + ((t%7) ? 1 : 0) + (wordbuf == 0 ? 1 : 0); in der_encode_object_identifier()
44 if (y < nwords - 1) { in der_encode_object_identifier()
52 y = *outlen - x; in der_encode_object_identifier()
53 if ((err = der_encode_asn1_length(z, out + x, &y)) != CRYPT_OK) { in der_encode_object_identifier()
71 /* now swap bytes y...x-1 */ in der_encode_object_identifier()
[all …]
/optee_os/core/lib/libtomcrypt/src/math/
H A Dtfm_desc.c1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis */
2 /* SPDX-License-Identifier: Unlicense */
78 /* ---- trivial ---- */
91 return A->used > 0 ? A->dp[0] : 0; in get_int()
99 return (n >= A->used || n < 0) ? 0 : A->dp[n]; in get_digit()
107 return A->used; in get_digit_count()
156 /* ---- conversions ---- */
262 /* sqrtmod_prime - NOT SUPPORTED */
440 fp_copy(P->x, R->x); in tfm_ecc_projective_dbl_point()
441 fp_copy(P->y, R->y); in tfm_ecc_projective_dbl_point()
[all …]
/optee_os/core/lib/libtomcrypt/src/pk/asn1/der/integer/
H A Dder_length_integer.c1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis */
2 /* SPDX-License-Identifier: Unlicense */
20 unsigned long z, len; in der_length_integer() local
41 z = mp_count_bits(num); in der_length_integer()
42 z = z + (8 - (z & 7)); in der_length_integer()
43 if (((mp_cnt_lsb(num)+1)==mp_count_bits(num)) && ((mp_count_bits(num)&7)==0)) --z; in der_length_integer()
44 len = z >> 3; in der_length_integer()
47 if ((err = der_length_asn1_length(len, &z)) != CRYPT_OK) { in der_length_integer()
50 *outlen = 1 + z + len; in der_length_integer()
/optee_os/core/lib/libtomcrypt/src/mac/pmac/
H A Dpmac_process.c1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis */
2 /* SPDX-License-Identifier: Unlicense */
24 unsigned char Z[MAXBLOCKSIZE]; in pmac_process() local
28 if ((err = cipher_is_valid(pmac->cipher_idx)) != CRYPT_OK) { in pmac_process()
32 if ((pmac->buflen > (int)sizeof(pmac->block)) || (pmac->buflen < 0) || in pmac_process()
33 (pmac->block_len > (int)sizeof(pmac->block)) || (pmac->buflen > pmac->block_len)) { in pmac_process()
38 if (pmac->buflen == 0 && inlen > 16) { in pmac_process()
40 for (x = 0; x < (inlen - 16); x += 16) { in pmac_process()
43 …*(LTC_FAST_TYPE_PTR_CAST(&Z[y])) = *(LTC_FAST_TYPE_PTR_CAST(&in[y])) ^ *(LTC_FAST_TYPE_PTR_CAST(&p… in pmac_process()
45 … if ((err = cipher_descriptor[pmac->cipher_idx]->ecb_encrypt(Z, Z, &pmac->key)) != CRYPT_OK) { in pmac_process()
[all …]
/optee_os/core/lib/libtomcrypt/src/stream/sober128/
H A Dsober128_stream.c1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis */
2 /* SPDX-License-Identifier: Unlicense */
7 Implementation of SOBER-128 by Tom St Denis.
20 #define FOLDP 4 /* where to insert non-linear feedback */
44 #define STEP(R,z) \ argument
45 …R[OFF(z,0)] = R[OFF(z,15)] ^ R[OFF(z,4)] ^ (R[OFF(z,0)] << 8) ^ Multab[(R[OFF(z,0)] >> 24) & 0xFF];
55 R[i-1] = R[i]; in cycle()
57 R[N-1] = t; in cycle()
60 /* Return a non-linear function of some parts of the register.
62 #define NLFUNC(st,z) \ argument
[all …]
/optee_os/core/lib/libtomcrypt/src/encauth/ocb/
H A Docb_encrypt.c1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis */
2 /* SPDX-License-Identifier: Unlicense */
21 unsigned char Z[MAXBLOCKSIZE], tmp[MAXBLOCKSIZE]; in ocb_encrypt() local
27 if ((err = cipher_is_valid(ocb->cipher)) != CRYPT_OK) { in ocb_encrypt()
30 if (ocb->block_len != cipher_descriptor[ocb->cipher].block_length) { in ocb_encrypt()
35 for (x = 0; x < ocb->block_len; x++) { in ocb_encrypt()
36 ocb->checksum[x] ^= pt[x]; in ocb_encrypt()
39 /* Get Z[i] value */ in ocb_encrypt()
40 ocb_shift_xor(ocb, Z); in ocb_encrypt()
42 /* xor pt in, encrypt, xor Z out */ in ocb_encrypt()
[all …]
H A Docb_decrypt.c1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis */
2 /* SPDX-License-Identifier: Unlicense */
21 unsigned char Z[MAXBLOCKSIZE], tmp[MAXBLOCKSIZE]; in ocb_decrypt() local
29 if ((err = cipher_is_valid(ocb->cipher)) != CRYPT_OK) { in ocb_decrypt()
32 LTC_ARGCHK(cipher_descriptor[ocb->cipher]->ecb_decrypt != NULL); in ocb_decrypt()
35 if (ocb->block_len != cipher_descriptor[ocb->cipher]->block_length) { in ocb_decrypt()
39 /* Get Z[i] value */ in ocb_decrypt()
40 ocb_shift_xor(ocb, Z); in ocb_decrypt()
42 /* xor ct in, encrypt, xor Z out */ in ocb_decrypt()
43 for (x = 0; x < ocb->block_len; x++) { in ocb_decrypt()
[all …]
H A Ds_ocb_done.c1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis */
2 /* SPDX-License-Identifier: Unlicense */
35 unsigned char *Z, *Y, *X; in s_ocb_done() local
43 if ((err = cipher_is_valid(ocb->cipher)) != CRYPT_OK) { in s_ocb_done()
46 if (ocb->block_len != cipher_descriptor[ocb->cipher]->block_length || in s_ocb_done()
47 (int)ptlen > ocb->block_len || (int)ptlen < 0) { in s_ocb_done()
52 Z = XMALLOC(MAXBLOCKSIZE); in s_ocb_done()
55 if (X == NULL || Y == NULL || Z == NULL) { in s_ocb_done()
62 if (Z != NULL) { in s_ocb_done()
63 XFREE(Z); in s_ocb_done()
[all …]

12345678