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added qse_encode_hmacmbs()/qse_encode_hmacwcs()/qse_decode_hmacmbs()/qse_decode_hmacwcs()

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hyung-hwan
2019-08-19 09:07:21 +00:00
parent 2f07153431
commit 94cc9298c1
6 changed files with 159 additions and 18 deletions
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119
qse/lib/cry/hmac.c
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@ -245,8 +245,9 @@ qse_size_t qse_hmac_digest (qse_hmac_t* ctx, qse_uint8_t* digest, qse_size_t siz
}
/* ------------------------------------------------------------------------ */
qse_mchar_t* qse_encode_hmacstr (qse_hmac_sha_type_t sha_type, const qse_uint8_t* keyptr, qse_size_t keylen, qse_xptl_t* data, qse_size_t count, qse_mmgr_t* mmgr)
qse_mchar_t* qse_encode_hmacmbs (qse_hmac_sha_type_t sha_type, const qse_uint8_t* keyptr, qse_size_t keylen, qse_xptl_t* data, qse_size_t count, qse_mmgr_t* mmgr)
{
qse_size_t reqsize = 0, i , j;
qse_mchar_t* buf, * ptr;
@ -277,13 +278,14 @@ qse_mchar_t* qse_encode_hmacstr (qse_hmac_sha_type_t sha_type, const qse_uint8_t
qse_hmac_digest (&hmac, digest, digest_len);
ptr = buf;
for (i = 0; i < digest_len; i++) ptr += qse_mbsfmt(ptr, ("%02x"), digest[i]);
for (i = 0; i < digest_len; i++) ptr += qse_mbsfmt(ptr, QSE_MT("%02x"), digest[i]);
*ptr = '-';
return buf;
}
qse_xptl_t* qse_decode_hmacstr (qse_hmac_sha_type_t sha_type, const qse_uint8_t* keyptr, qse_size_t keylen, const qse_mchar_t* hmacstr, qse_size_t* count, qse_mmgr_t* mmgr)
qse_xptl_t* qse_decode_hmacmbs (qse_hmac_sha_type_t sha_type, const qse_uint8_t* keyptr, qse_size_t keylen, const qse_mchar_t* hmacstr, qse_size_t* count, qse_mmgr_t* mmgr)
{
qse_uint8_t digest[QSE_HMAC_MAX_DIGEST_LEN];
qse_uint8_t orgdig[QSE_HMAC_MAX_DIGEST_LEN];
@ -352,3 +354,114 @@ qse_xptl_t* qse_decode_hmacstr (qse_hmac_sha_type_t sha_type, const qse_uint8_t*
*count = segcount;
return (qse_xptl_t*)data;
}
/* ------------------------------------------------------------------------ */
qse_wchar_t* qse_encode_hmacwcs (qse_hmac_sha_type_t sha_type, const qse_uint8_t* keyptr, qse_size_t keylen, qse_xptl_t* data, qse_size_t count, qse_mmgr_t* mmgr)
{
qse_size_t reqsize = 0, i , j;
qse_wchar_t* buf, * ptr;
qse_xptl_t* dptr;
qse_hmac_t hmac;
qse_uint8_t digest[QSE_HMAC_MAX_DIGEST_LEN];
qse_size_t digest_len = sha_digest_size(sha_type);
for (i = 0, dptr = data; i < count; i++, dptr++) reqsize += 1 + (dptr->len * 2);
reqsize += digest_len * 2 + 1;
buf = (qse_wchar_t*)QSE_MMGR_ALLOC(mmgr, reqsize * QSE_SIZEOF(*buf));
if (!buf) return QSE_NULL;
ptr = &buf[digest_len * 2 + 1];
for (i = 0, dptr = data; i < count; i++, dptr++)
{
for (j = 0; j < dptr->len; j++)
{
ptr += qse_wcsfmt(ptr, QSE_WT("%02x"), *((qse_uint8_t*)dptr->ptr + j));
}
if (i < count - 1) *ptr++ = QSE_WT('-');
}
*ptr = '\0';
qse_hmac_initialize (&hmac, sha_type, keyptr, keylen);
qse_hmac_update (&hmac, (const qse_uint8_t*)&buf[digest_len * 2 + 1], ptr - &buf[digest_len * 2 + 1]);
qse_hmac_digest (&hmac, digest, digest_len);
ptr = buf;
for (i = 0; i < digest_len; i++) ptr += qse_wcsfmt(ptr, QSE_WT("%02x"), digest[i]);
*ptr = '-';
return buf;
}
qse_xptl_t* qse_decode_hmacwcs (qse_hmac_sha_type_t sha_type, const qse_uint8_t* keyptr, qse_size_t keylen, const qse_wchar_t* hmacstr, qse_size_t* count, qse_mmgr_t* mmgr)
{
qse_uint8_t digest[QSE_HMAC_MAX_DIGEST_LEN];
qse_uint8_t orgdig[QSE_HMAC_MAX_DIGEST_LEN];
qse_size_t digest_len = sha_digest_size(sha_type);
const qse_wchar_t* ptr, * segptr, * segstart;
qse_size_t seglen, reqlen = 0, segcount = 0, i;
qse_uint8_t* data, * uptr;
qse_xptl_t* xptl;
qse_hmac_t hmac;
for (ptr = hmacstr, i = 0; *ptr != QSE_WT('\0') && *ptr != QSE_WT('-'); ptr += 2, i++)
{
if (!QSE_ISWXDIGIT(ptr[0]) || !QSE_ISWXDIGIT(ptr[1])) return QSE_NULL;
if (i >= digest_len) return QSE_NULL; /* digest too long */
orgdig[i] = QSE_WXDIGITTONUM(ptr[0]) * 16 + QSE_WXDIGITTONUM(ptr[1]);
}
if (*ptr == QSE_WT('\0')) return QSE_NULL; /* no dash found after digest */
if (i != digest_len) return QSE_NULL; /* digest too short */
ptr++;
qse_hmac_initialize (&hmac, sha_type, keyptr, keylen);
qse_hmac_update (&hmac, (const qse_uint8_t*)ptr, qse_wcslen(ptr));
qse_hmac_digest (&hmac, digest, digest_len);
if (QSE_MEMCMP(digest, orgdig, digest_len) != 0) return QSE_NULL; /* wrong hmac */
segstart = ptr;
while (1)
{
segptr = ptr;
for (ptr = segptr; *ptr != QSE_WT('\0') && *ptr != QSE_WT('-'); ptr++) ;
seglen = ptr - segptr;
if (seglen & 1) return QSE_NULL; /* odd-length segment */
reqlen += (seglen >> 1) + QSE_SIZEOF(*xptl);
segcount++;
if (*ptr == QSE_WT('\0')) break;
ptr++;
}
data = (qse_uint8_t*)QSE_MMGR_ALLOC(mmgr, reqlen);
if (!data) return QSE_NULL;
ptr = segstart;
xptl = (qse_xptl_t*)data;
uptr = data + (segcount * QSE_SIZEOF(*xptl));
while (1)
{
segptr = ptr;
xptl->ptr = uptr;
for (ptr = segptr, i = 0; *ptr != QSE_WT('\0') && *ptr != QSE_WT('-'); ptr += 2, i++)
{
*uptr++ = QSE_WXDIGITTONUM(ptr[0]) * 16 + QSE_WXDIGITTONUM(ptr[1]);
}
xptl->len = i;
xptl++;
if (*ptr == QSE_WT('\0')) break;
ptr++;
}
*count = segcount;
return (qse_xptl_t*)data;
}