Cross Reference: /illumos-gate/usr/src/common/crypto/modes/ctr.c

Lines Matching refs:ctx
43 ctr_mode_contiguous_blocks(ctr_ctx_t *ctx, char *data, size_t length,
60 	if (length + ctx->ctr_remainder_len < block_size) {
63 		    (uint8_t *)ctx->ctr_remainder + ctx->ctr_remainder_len,
65 		ctx->ctr_remainder_len += length;
66 		ctx->ctr_copy_to = datap;
70 	lastp = (uint8_t *)ctx->ctr_cb;
76 		if (ctx->ctr_remainder_len > 0) {
77 			need = block_size - ctx->ctr_remainder_len;
82 			bcopy(datap, &((uint8_t *)ctx->ctr_remainder)
83 			    [ctx->ctr_remainder_len], need);
85 			blockp = (uint8_t *)ctx->ctr_remainder;
91 		cipher(ctx->ctr_keysched, (uint8_t *)ctx->ctr_cb,
92 		    (uint8_t *)ctx->ctr_tmp);
94 		lastp = (uint8_t *)ctx->ctr_tmp;
99 		lower_counter = ntohll(ctx->ctr_cb[1] & ctx->ctr_lower_mask);
101 		lower_counter &= ctx->ctr_lower_mask;
102 		ctx->ctr_cb[1] = (ctx->ctr_cb[1] & ~(ctx->ctr_lower_mask)) |
108 			    ntohll(ctx->ctr_cb[0] & ctx->ctr_upper_mask);
110 			upper_counter &= ctx->ctr_upper_mask;
111 			ctx->ctr_cb[0] =
112 			    (ctx->ctr_cb[0] & ~(ctx->ctr_upper_mask)) |
122 			if (ctx->ctr_remainder_len > 0) {
123 				bcopy(lastp, ctx->ctr_copy_to,
124 				    ctx->ctr_remainder_len);
125 				bcopy(lastp + ctx->ctr_remainder_len, datap,
143 		if (ctx->ctr_remainder_len != 0) {
145 			ctx->ctr_remainder_len = 0;
154 			bcopy(datap, ctx->ctr_remainder, remainder);
155 			ctx->ctr_remainder_len = remainder;
156 			ctx->ctr_copy_to = datap;
159 		ctx->ctr_copy_to = NULL;
168 ctr_mode_final(ctr_ctx_t *ctx, crypto_data_t *out,
180 	if (out->cd_length < ctx->ctr_remainder_len)
183 	encrypt_block(ctx->ctr_keysched, (uint8_t *)ctx->ctr_cb,
184 	    (uint8_t *)ctx->ctr_tmp);
186 	lastp = (uint8_t *)ctx->ctr_tmp;
187 	p = (uint8_t *)ctx->ctr_remainder;
188 	for (i = 0; i < ctx->ctr_remainder_len; i++) {
194 	    &out_data_1_len, &out_data_2, ctx->ctr_remainder_len);
199 		    out_data_2, ctx->ctr_remainder_len - out_data_1_len);
201 	out->cd_offset += ctx->ctr_remainder_len;
202 	ctx->ctr_remainder_len = 0;