Mercurial > dovecot > original-hg > dovecot-1.2

comparison src/lib/sha2.c @ 8393:44f3bf2d0671 HEAD

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sha256_loop() takes now const void *data parameter.
author Timo Sirainen <tss@iki.fi>
date Thu, 13 Nov 2008 12:05:28 +0200
parents 2cba4c0f3b4f
children
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8392:3b6999dc112f 8393:44f3bf2d0671
176 176
177 ctx->len = 0; 177 ctx->len = 0;
178 ctx->tot_len = 0; 178 ctx->tot_len = 0;
179 } 179 }
180 180
181 void sha256_loop(struct sha256_ctx *ctx, const unsigned char *data, 181 void sha256_loop(struct sha256_ctx *ctx, const void *data,
182 size_t len) 182 size_t len)
183 { 183 {
184 const unsigned char *shifted_message; 184 const unsigned char *shifted_message;
185 size_t block_nb; 185 size_t block_nb;
186 size_t new_len, rem_len, tmp_len; 186 size_t new_len, rem_len, tmp_len;
196 } 196 }
197 197
198 new_len = len - rem_len; 198 new_len = len - rem_len;
199 block_nb = new_len / SHA256_BLOCK_SIZE; 199 block_nb = new_len / SHA256_BLOCK_SIZE;
200 200
201 shifted_message = data + rem_len; 201 shifted_message = CONST_PTR_OFFSET(data, rem_len);
202 202
203 sha256_transf(ctx, ctx->block, 1); 203 sha256_transf(ctx, ctx->block, 1);
204 sha256_transf(ctx, shifted_message, block_nb); 204 sha256_transf(ctx, shifted_message, block_nb);
205 205
206 rem_len = new_len % SHA256_BLOCK_SIZE; 206 rem_len = new_len % SHA256_BLOCK_SIZE;