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

Lines Matching refs:ctx
42 cbc_encrypt_contiguous_blocks(cbc_ctx_t *ctx, char *data, size_t length,
59 	if (length + ctx->cbc_remainder_len < block_size) {
62 		    (uint8_t *)ctx->cbc_remainder + ctx->cbc_remainder_len,
64 		ctx->cbc_remainder_len += length;
65 		ctx->cbc_copy_to = datap;
69 	lastp = (uint8_t *)ctx->cbc_iv;
75 		if (ctx->cbc_remainder_len > 0) {
76 			need = block_size - ctx->cbc_remainder_len;
81 			bcopy(datap, &((uint8_t *)ctx->cbc_remainder)
82 			    [ctx->cbc_remainder_len], need);
84 			blockp = (uint8_t *)ctx->cbc_remainder;
95 			encrypt(ctx->cbc_keysched, blockp, blockp);
97 			ctx->cbc_lastp = blockp;
100 			if (ctx->cbc_remainder_len > 0) {
101 				bcopy(blockp, ctx->cbc_copy_to,
102 				    ctx->cbc_remainder_len);
103 				bcopy(blockp + ctx->cbc_remainder_len, datap,
112 			encrypt(ctx->cbc_keysched, lastp, lastp);
132 		if (ctx->cbc_remainder_len != 0) {
134 			ctx->cbc_remainder_len = 0;
143 			bcopy(datap, ctx->cbc_remainder, remainder);
144 			ctx->cbc_remainder_len = remainder;
145 			ctx->cbc_copy_to = datap;
148 		ctx->cbc_copy_to = NULL;
156 	if (ctx->cbc_lastp != NULL) {
157 		copy_block((uint8_t *)ctx->cbc_lastp, (uint8_t *)ctx->cbc_iv);
158 		ctx->cbc_lastp = (uint8_t *)ctx->cbc_iv;
164 #define	OTHER(a, ctx) \
165 	(((a) == (ctx)->cbc_lastblock) ? (ctx)->cbc_iv : (ctx)->cbc_lastblock)
169 cbc_decrypt_contiguous_blocks(cbc_ctx_t *ctx, char *data, size_t length,
186 	if (length + ctx->cbc_remainder_len < block_size) {
189 		    (uint8_t *)ctx->cbc_remainder + ctx->cbc_remainder_len,
191 		ctx->cbc_remainder_len += length;
192 		ctx->cbc_copy_to = datap;
196 	lastp = ctx->cbc_lastp;
202 		if (ctx->cbc_remainder_len > 0) {
203 			need = block_size - ctx->cbc_remainder_len;
208 			bcopy(datap, &((uint8_t *)ctx->cbc_remainder)
209 			    [ctx->cbc_remainder_len], need);
211 			blockp = (uint8_t *)ctx->cbc_remainder;
217 		copy_block(blockp, (uint8_t *)OTHER((uint64_t *)lastp, ctx));
220 			decrypt(ctx->cbc_keysched, blockp,
221 			    (uint8_t *)ctx->cbc_remainder);
222 			blockp = (uint8_t *)ctx->cbc_remainder;
224 			decrypt(ctx->cbc_keysched, blockp, blockp);
234 		lastp = (uint8_t *)OTHER((uint64_t *)lastp, ctx);
249 		} else if (ctx->cbc_remainder_len > 0) {
251 			bcopy(blockp, ctx->cbc_copy_to, ctx->cbc_remainder_len);
252 			bcopy(blockp + ctx->cbc_remainder_len, datap, need);
256 		if (ctx->cbc_remainder_len != 0) {
258 			ctx->cbc_remainder_len = 0;
267 			bcopy(datap, ctx->cbc_remainder, remainder);
268 			ctx->cbc_remainder_len = remainder;
269 			ctx->cbc_lastp = lastp;
270 			ctx->cbc_copy_to = datap;
273 		ctx->cbc_copy_to = NULL;
277 	ctx->cbc_lastp = lastp;