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Searched refs:modulus_len (Results 1 – 8 of 8) sorted by relevance

/optee_os/core/lib/libtomcrypt/src/pk/pkcs1/
H A Dpkcs_1_pss_encode.c32 unsigned long x, y, hLen, modulus_len; in pkcs_1_pss_encode() local
50 modulus_len = (modulus_bitlen>>3) + (modulus_bitlen & 7 ? 1 : 0); in pkcs_1_pss_encode()
53 if ((saltlen > modulus_len) || (modulus_len < hLen + saltlen + 2)) { in pkcs_1_pss_encode()
58 DB = XMALLOC(modulus_len); in pkcs_1_pss_encode()
59 mask = XMALLOC(modulus_len); in pkcs_1_pss_encode()
60 salt = XMALLOC(modulus_len); in pkcs_1_pss_encode()
61 hash = XMALLOC(modulus_len); in pkcs_1_pss_encode()
107 XMEMSET(DB + x, 0, modulus_len - saltlen - hLen - 2); in pkcs_1_pss_encode()
108 x += modulus_len - saltlen - hLen - 2; in pkcs_1_pss_encode()
114 if ((err = pkcs_1_mgf1(hash_idx, hash, hLen, mask, modulus_len - hLen - 1)) != CRYPT_OK) { in pkcs_1_pss_encode()
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H A Dpkcs_1_pss_decode.c31 unsigned long x, y, hLen, modulus_len; in pkcs_1_pss_decode() local
48 modulus_len = (modulus_bitlen>>3) + (modulus_bitlen & 7 ? 1 : 0); in pkcs_1_pss_decode()
51 if ((saltlen > modulus_len) || in pkcs_1_pss_decode()
52 (modulus_len < hLen + saltlen + 2)) { in pkcs_1_pss_decode()
57 DB = XMALLOC(modulus_len); in pkcs_1_pss_decode()
58 mask = XMALLOC(modulus_len); in pkcs_1_pss_decode()
59 salt = XMALLOC(modulus_len); in pkcs_1_pss_decode()
60 hash = XMALLOC(modulus_len); in pkcs_1_pss_decode()
85 XMEMCPY(DB, sig + x, modulus_len - hLen - 1); in pkcs_1_pss_decode()
86 x += modulus_len - hLen - 1; in pkcs_1_pss_decode()
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H A Dpkcs_1_oaep_decode.c34 unsigned long hLen, x, y, modulus_len; in pkcs_1_oaep_decode() local
58 modulus_len = (modulus_bitlen >> 3) + (modulus_bitlen & 7 ? 1 : 0); in pkcs_1_oaep_decode()
61 if ((2*hLen >= (modulus_len - 2)) || (msglen != modulus_len)) { in pkcs_1_oaep_decode()
66 DB = XMALLOC(modulus_len); in pkcs_1_oaep_decode()
67 mask = XMALLOC(modulus_len); in pkcs_1_oaep_decode()
103 XMEMCPY(DB, msg + x, modulus_len - hLen - 1); in pkcs_1_oaep_decode()
104 x += modulus_len - hLen - 1; in pkcs_1_oaep_decode()
107 if ((err = pkcs_1_mgf1(mgf_hash, DB, modulus_len - hLen - 1, mask, hLen)) != CRYPT_OK) { in pkcs_1_oaep_decode()
117 if ((err = pkcs_1_mgf1(mgf_hash, seed, hLen, mask, modulus_len - hLen - 1)) != CRYPT_OK) { in pkcs_1_oaep_decode()
122 for (y = 0; y < (modulus_len - hLen - 1); y++) { in pkcs_1_oaep_decode()
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H A Dpkcs_1_oaep_encode.c34 unsigned long hLen, x, y, modulus_len; in pkcs_1_oaep_encode() local
60 modulus_len = (modulus_bitlen >> 3) + (modulus_bitlen & 7 ? 1 : 0); in pkcs_1_oaep_encode()
63 if ((2*hLen >= (modulus_len - 2)) || (msglen > (modulus_len - 2*hLen - 2))) { in pkcs_1_oaep_encode()
68 DB = XMALLOC(modulus_len); in pkcs_1_oaep_encode()
69 mask = XMALLOC(modulus_len); in pkcs_1_oaep_encode()
86 x = modulus_len; in pkcs_1_oaep_encode()
100 y = modulus_len - msglen - 2*hLen - 2; in pkcs_1_oaep_encode()
120 if ((err = pkcs_1_mgf1(mgf_hash, seed, hLen, mask, modulus_len - hLen - 1)) != CRYPT_OK) { in pkcs_1_oaep_encode()
125 for (y = 0; y < (modulus_len - hLen - 1); y++) { in pkcs_1_oaep_encode()
130 if ((err = pkcs_1_mgf1(mgf_hash, DB, modulus_len - hLen - 1, mask, hLen)) != CRYPT_OK) { in pkcs_1_oaep_encode()
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H A Dpkcs_1_v1_5_decode.c32 unsigned long modulus_len, ps_len, i; in pkcs_1_v1_5_decode() local
38 modulus_len = (modulus_bitlen >> 3) + (modulus_bitlen & 7 ? 1 : 0); in pkcs_1_v1_5_decode()
42 if ((msglen > modulus_len) || (modulus_len < 11)) { in pkcs_1_v1_5_decode()
55 for (i = 2; i < modulus_len; i++) { in pkcs_1_v1_5_decode()
61 if (i > modulus_len) { in pkcs_1_v1_5_decode()
67 for (i = 2; i < modulus_len - 1; i++) { in pkcs_1_v1_5_decode()
H A Dpkcs_1_v1_5_encode.c34 unsigned long modulus_len, ps_len, i; in pkcs_1_v1_5_encode() local
54 modulus_len = (modulus_bitlen >> 3) + (modulus_bitlen & 7 ? 1 : 0); in pkcs_1_v1_5_encode()
57 if ((msglen + 11) > modulus_len) { in pkcs_1_v1_5_encode()
61 if (*outlen < modulus_len) { in pkcs_1_v1_5_encode()
62 *outlen = modulus_len; in pkcs_1_v1_5_encode()
69 ps_len = modulus_len - msglen - 3; in pkcs_1_v1_5_encode()
98 *outlen = modulus_len; in pkcs_1_v1_5_encode()
H A Dpkcs_1_i2osp.c23 int pkcs_1_i2osp(void *n, unsigned long modulus_len, unsigned char *out) in pkcs_1_i2osp() argument
29 if (size > modulus_len) { in pkcs_1_i2osp()
34 zeromem(out, modulus_len); in pkcs_1_i2osp()
35 return mp_to_unsigned_bin(n, out+(modulus_len-size)); in pkcs_1_i2osp()
/optee_os/core/lib/libtomcrypt/src/headers/
H A Dtomcrypt_pkcs.h27 int pkcs_1_i2osp(void *n, unsigned long modulus_len, unsigned char *out);