29 int ctr_encrypt(const unsigned char *pt, unsigned char *ct, unsigned long len, symmetric_CTR *ctr)  in ctr_encrypt()  argument
35    LTC_ARGCHK(ctr != NULL);  in ctr_encrypt()
37    if ((err = cipher_is_valid(ctr->cipher)) != CRYPT_OK) {  in ctr_encrypt()
42    if (ctr->blocklen < 1 || ctr->blocklen > (int)sizeof(ctr->ctr) ||  in ctr_encrypt()
43        ctr->padlen   < 0 || ctr->padlen   > (int)sizeof(ctr->pad)) {  in ctr_encrypt()
48    if (ctr->blocklen % sizeof(LTC_FAST_TYPE)) {  in ctr_encrypt()
54 …if ((ctr->padlen == ctr->blocklen) && cipher_descriptor[ctr->cipher].accel_ctr_encrypt != NULL && …  in ctr_encrypt()
55 …if ((err = cipher_descriptor[ctr->cipher].accel_ctr_encrypt(pt, ct, len/ctr->blocklen, ctr->ctr, c…  in ctr_encrypt()
58       len %= ctr->blocklen;  in ctr_encrypt()
63       if (ctr->padlen == ctr->blocklen) {  in ctr_encrypt()
65          if (ctr->mode == CTR_COUNTER_LITTLE_ENDIAN) {  in ctr_encrypt()
67             for (x = 0; x < ctr->blocklen; x++) {  in ctr_encrypt()
68                ctr->ctr[x] = (ctr->ctr[x] + (unsigned char)1) & (unsigned char)255;  in ctr_encrypt()
69                if (ctr->ctr[x] != (unsigned char)0) {  in ctr_encrypt()
75             for (x = ctr->blocklen-1; x >= 0; x--) {  in ctr_encrypt()
76                ctr->ctr[x] = (ctr->ctr[x] + (unsigned char)1) & (unsigned char)255;  in ctr_encrypt()
77                if (ctr->ctr[x] != (unsigned char)0) {  in ctr_encrypt()
84 …if ((err = cipher_descriptor[ctr->cipher].ecb_encrypt(ctr->ctr, ctr->pad, &ctr->key)) != CRYPT_OK)…  in ctr_encrypt()
87          ctr->padlen = 0;  in ctr_encrypt()
90       if (ctr->padlen == 0 && len >= (unsigned long)ctr->blocklen) {  in ctr_encrypt()
91          for (x = 0; x < ctr->blocklen; x += sizeof(LTC_FAST_TYPE)) {  in ctr_encrypt()
93 …                                                *((LTC_FAST_TYPE*)((unsigned char *)ctr->pad + x));  in ctr_encrypt()
95        pt         += ctr->blocklen;  in ctr_encrypt()
96        ct         += ctr->blocklen;  in ctr_encrypt()
97        len        -= ctr->blocklen;  in ctr_encrypt()
98        ctr->padlen = ctr->blocklen;  in ctr_encrypt()
102       *ct++ = *pt++ ^ ctr->pad[ctr->padlen++];  in ctr_encrypt()