summaryrefslogtreecommitdiff
path: root/render
diff options
context:
space:
mode:
Diffstat (limited to 'render')
-rw-r--r--render/Makefile.am3
-rw-r--r--render/glyph.c29
-rw-r--r--render/sha1.c173
-rw-r--r--render/sha1.h63
4 files changed, 28 insertions, 240 deletions
diff --git a/render/Makefile.am b/render/Makefile.am
index 5bb844622..e53c7c746 100644
--- a/render/Makefile.am
+++ b/render/Makefile.am
@@ -13,11 +13,8 @@ librender_la_SOURCES = \
mitri.c \
picture.c \
render.c \
- sha1.c \
renderedge.c
if XORG
sdk_HEADERS = picture.h mipict.h glyphstr.h picturestr.h renderedge.h
endif
-
-EXTRA_DIST = sha1.h
diff --git a/render/glyph.c b/render/glyph.c
index 949e02340..849e65fce 100644
--- a/render/glyph.c
+++ b/render/glyph.c
@@ -26,7 +26,13 @@
#include <dix-config.h>
#endif
-#include "sha1.h"
+#ifdef HAVE_SHA1_IN_LIBMD /* Use libmd for SHA1 */
+# include <sha1.h>
+#else /* Use OpenSSL's libcrypto */
+# include <stddef.h> /* buggy openssl/sha.h wants size_t */
+# include <openssl/sha.h>
+#endif
+
#include "misc.h"
#include "scrnintstr.h"
#include "os.h"
@@ -192,12 +198,33 @@ HashGlyph (xGlyphInfo *gi,
unsigned long size,
unsigned char sha1[20])
{
+#ifdef HAVE_SHA1_IN_LIBMD /* Use libmd for SHA1 */
SHA1_CTX ctx;
SHA1Init (&ctx);
SHA1Update (&ctx, gi, sizeof (xGlyphInfo));
SHA1Update (&ctx, bits, size);
SHA1Final (sha1, &ctx);
+#else /* Use OpenSSL's libcrypto */
+ SHA_CTX ctx;
+ int success;
+
+ success = SHA1_Init (&ctx);
+ if (! success)
+ return BadAlloc;
+
+ success = SHA1_Update (&ctx, gi, sizeof (xGlyphInfo));
+ if (! success)
+ return BadAlloc;
+
+ success = SHA1_Update (&ctx, bits, size);
+ if (! success)
+ return BadAlloc;
+
+ success = SHA1_Final (sha1, &ctx);
+ if (! success)
+ return BadAlloc;
+#endif
return Success;
}
diff --git a/render/sha1.c b/render/sha1.c
deleted file mode 100644
index 820eb2a33..000000000
--- a/render/sha1.c
+++ /dev/null
@@ -1,173 +0,0 @@
-/*
- * SHA-1 in C
- * By Steve Reid <steve@edmweb.com>
- * 100% Public Domain
- *
- * Test Vectors (from FIPS PUB 180-1)
- * "abc"
- * A9993E36 4706816A BA3E2571 7850C26C 9CD0D89D
- * "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq"
- * 84983E44 1C3BD26E BAAE4AA1 F95129E5 E54670F1
- * A million repetitions of "a"
- * 34AA973C D4C4DAA4 F61EEB2B DBAD2731 6534016F
- */
-
-#include <sys/param.h>
-#include <string.h>
-#include <sha1.h>
-
-#define rol(value, bits) (((value) << (bits)) | ((value) >> (32 - (bits))))
-
-/*
- * blk0() and blk() perform the initial expand.
- * I got the idea of expanding during the round function from SSLeay
- */
-#if BYTE_ORDER == LITTLE_ENDIAN
-# define blk0(i) (block->l[i] = (rol(block->l[i],24)&0xFF00FF00) \
- |(rol(block->l[i],8)&0x00FF00FF))
-#else
-# define blk0(i) block->l[i]
-#endif
-#define blk(i) (block->l[i&15] = rol(block->l[(i+13)&15]^block->l[(i+8)&15] \
- ^block->l[(i+2)&15]^block->l[i&15],1))
-
-/*
- * (R0+R1), R2, R3, R4 are the different operations (rounds) used in SHA1
- */
-#define R0(v,w,x,y,z,i) z+=((w&(x^y))^y)+blk0(i)+0x5A827999+rol(v,5);w=rol(w,30);
-#define R1(v,w,x,y,z,i) z+=((w&(x^y))^y)+blk(i)+0x5A827999+rol(v,5);w=rol(w,30);
-#define R2(v,w,x,y,z,i) z+=(w^x^y)+blk(i)+0x6ED9EBA1+rol(v,5);w=rol(w,30);
-#define R3(v,w,x,y,z,i) z+=(((w|x)&y)|(w&x))+blk(i)+0x8F1BBCDC+rol(v,5);w=rol(w,30);
-#define R4(v,w,x,y,z,i) z+=(w^x^y)+blk(i)+0xCA62C1D6+rol(v,5);w=rol(w,30);
-
-/*
- * Hash a single 512-bit block. This is the core of the algorithm.
- */
-void
-SHA1Transform(uint32_t state[5], const uint8_t buffer[SHA1_BLOCK_LENGTH])
-{
- uint32_t a, b, c, d, e;
- uint8_t workspace[SHA1_BLOCK_LENGTH];
- typedef union {
- uint8_t c[64];
- uint32_t l[16];
- } CHAR64LONG16;
- CHAR64LONG16 *block = (CHAR64LONG16 *)workspace;
-
- (void)memcpy(block, buffer, SHA1_BLOCK_LENGTH);
-
- /* Copy context->state[] to working vars */
- a = state[0];
- b = state[1];
- c = state[2];
- d = state[3];
- e = state[4];
-
- /* 4 rounds of 20 operations each. Loop unrolled. */
- R0(a,b,c,d,e, 0); R0(e,a,b,c,d, 1); R0(d,e,a,b,c, 2); R0(c,d,e,a,b, 3);
- R0(b,c,d,e,a, 4); R0(a,b,c,d,e, 5); R0(e,a,b,c,d, 6); R0(d,e,a,b,c, 7);
- R0(c,d,e,a,b, 8); R0(b,c,d,e,a, 9); R0(a,b,c,d,e,10); R0(e,a,b,c,d,11);
- R0(d,e,a,b,c,12); R0(c,d,e,a,b,13); R0(b,c,d,e,a,14); R0(a,b,c,d,e,15);
- R1(e,a,b,c,d,16); R1(d,e,a,b,c,17); R1(c,d,e,a,b,18); R1(b,c,d,e,a,19);
- R2(a,b,c,d,e,20); R2(e,a,b,c,d,21); R2(d,e,a,b,c,22); R2(c,d,e,a,b,23);
- R2(b,c,d,e,a,24); R2(a,b,c,d,e,25); R2(e,a,b,c,d,26); R2(d,e,a,b,c,27);
- R2(c,d,e,a,b,28); R2(b,c,d,e,a,29); R2(a,b,c,d,e,30); R2(e,a,b,c,d,31);
- R2(d,e,a,b,c,32); R2(c,d,e,a,b,33); R2(b,c,d,e,a,34); R2(a,b,c,d,e,35);
- R2(e,a,b,c,d,36); R2(d,e,a,b,c,37); R2(c,d,e,a,b,38); R2(b,c,d,e,a,39);
- R3(a,b,c,d,e,40); R3(e,a,b,c,d,41); R3(d,e,a,b,c,42); R3(c,d,e,a,b,43);
- R3(b,c,d,e,a,44); R3(a,b,c,d,e,45); R3(e,a,b,c,d,46); R3(d,e,a,b,c,47);
- R3(c,d,e,a,b,48); R3(b,c,d,e,a,49); R3(a,b,c,d,e,50); R3(e,a,b,c,d,51);
- R3(d,e,a,b,c,52); R3(c,d,e,a,b,53); R3(b,c,d,e,a,54); R3(a,b,c,d,e,55);
- R3(e,a,b,c,d,56); R3(d,e,a,b,c,57); R3(c,d,e,a,b,58); R3(b,c,d,e,a,59);
- R4(a,b,c,d,e,60); R4(e,a,b,c,d,61); R4(d,e,a,b,c,62); R4(c,d,e,a,b,63);
- R4(b,c,d,e,a,64); R4(a,b,c,d,e,65); R4(e,a,b,c,d,66); R4(d,e,a,b,c,67);
- R4(c,d,e,a,b,68); R4(b,c,d,e,a,69); R4(a,b,c,d,e,70); R4(e,a,b,c,d,71);
- R4(d,e,a,b,c,72); R4(c,d,e,a,b,73); R4(b,c,d,e,a,74); R4(a,b,c,d,e,75);
- R4(e,a,b,c,d,76); R4(d,e,a,b,c,77); R4(c,d,e,a,b,78); R4(b,c,d,e,a,79);
-
- /* Add the working vars back into context.state[] */
- state[0] += a;
- state[1] += b;
- state[2] += c;
- state[3] += d;
- state[4] += e;
-
- /* Wipe variables */
- a = b = c = d = e = 0;
-}
-
-
-/*
- * SHA1Init - Initialize new context
- */
-void
-SHA1Init(SHA1_CTX *context)
-{
-
- /* SHA1 initialization constants */
- context->count = 0;
- context->state[0] = 0x67452301;
- context->state[1] = 0xEFCDAB89;
- context->state[2] = 0x98BADCFE;
- context->state[3] = 0x10325476;
- context->state[4] = 0xC3D2E1F0;
-}
-
-
-/*
- * Run your data through this.
- */
-void
-SHA1Update(SHA1_CTX *context, const uint8_t *data, size_t len)
-{
- size_t i, j;
-
- j = (size_t)((context->count >> 3) & 63);
- context->count += (len << 3);
- if ((j + len) > 63) {
- (void)memcpy(&context->buffer[j], data, (i = 64-j));
- SHA1Transform(context->state, context->buffer);
- for ( ; i + 63 < len; i += 64)
- SHA1Transform(context->state, (uint8_t *)&data[i]);
- j = 0;
- } else {
- i = 0;
- }
- (void)memcpy(&context->buffer[j], &data[i], len - i);
-}
-
-
-/*
- * Add padding and return the message digest.
- */
-void
-SHA1Pad(SHA1_CTX *context)
-{
- uint8_t finalcount[8];
- uint i;
-
- for (i = 0; i < 8; i++) {
- finalcount[i] = (uint8_t)((context->count >>
- ((7 - (i & 7)) * 8)) & 255); /* Endian independent */
- }
- SHA1Update(context, (uint8_t *)"\200", 1);
- while ((context->count & 504) != 448)
- SHA1Update(context, (uint8_t *)"\0", 1);
- SHA1Update(context, finalcount, 8); /* Should cause a SHA1Transform() */
-}
-
-void
-SHA1Final(uint8_t digest[SHA1_DIGEST_LENGTH], SHA1_CTX *context)
-{
- uint i;
-
- SHA1Pad(context);
- if (digest) {
- for (i = 0; i < SHA1_DIGEST_LENGTH; i++) {
- digest[i] = (uint8_t)
- ((context->state[i>>2] >> ((3-(i & 3)) * 8) ) & 255);
- }
- memset(context, 0, sizeof(*context));
- }
-}
-
diff --git a/render/sha1.h b/render/sha1.h
deleted file mode 100644
index ace7d97c0..000000000
--- a/render/sha1.h
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- * SHA-1 in C
- * By Steve Reid <steve@edmweb.com>
- * 100% Public Domain
- */
-
-#ifndef _SHA1_H
-#define _SHA1_H
-
-#include <stdint.h>
-#include <stddef.h>
-#include <unistd.h>
-
-
-#define SHA1_BLOCK_LENGTH 64
-#define SHA1_DIGEST_LENGTH 20
-#define SHA1_DIGEST_STRING_LENGTH (SHA1_DIGEST_LENGTH * 2 + 1)
-
-typedef struct {
- uint32_t state[5];
- uint64_t count;
- uint8_t buffer[SHA1_BLOCK_LENGTH];
-} SHA1_CTX;
-
-#include <sys/cdefs.h>
-
-__BEGIN_DECLS
-void SHA1Init(SHA1_CTX *);
-void SHA1Pad(SHA1_CTX *);
-void SHA1Transform(uint32_t [5], const uint8_t [SHA1_BLOCK_LENGTH])
- __attribute__((__bounded__(__minbytes__,1,5)))
- __attribute__((__bounded__(__minbytes__,2,SHA1_BLOCK_LENGTH)));
-void SHA1Update(SHA1_CTX *, const uint8_t *, size_t)
- __attribute__((__bounded__(__string__,2,3)));
-void SHA1Final(uint8_t [SHA1_DIGEST_LENGTH], SHA1_CTX *)
- __attribute__((__bounded__(__minbytes__,1,SHA1_DIGEST_LENGTH)));
-char *SHA1End(SHA1_CTX *, char *)
- __attribute__((__bounded__(__minbytes__,2,SHA1_DIGEST_STRING_LENGTH)));
-char *SHA1File(const char *, char *)
- __attribute__((__bounded__(__minbytes__,2,SHA1_DIGEST_STRING_LENGTH)));
-char *SHA1FileChunk(const char *, char *, off_t, off_t)
- __attribute__((__bounded__(__minbytes__,2,SHA1_DIGEST_STRING_LENGTH)));
-char *SHA1Data(const uint8_t *, size_t, char *)
- __attribute__((__bounded__(__string__,1,2)))
- __attribute__((__bounded__(__minbytes__,3,SHA1_DIGEST_STRING_LENGTH)));
-__END_DECLS
-
-#define HTONDIGEST(x) do { \
- x[0] = htonl(x[0]); \
- x[1] = htonl(x[1]); \
- x[2] = htonl(x[2]); \
- x[3] = htonl(x[3]); \
- x[4] = htonl(x[4]); } while (0)
-
-#define NTOHDIGEST(x) do { \
- x[0] = ntohl(x[0]); \
- x[1] = ntohl(x[1]); \
- x[2] = ntohl(x[2]); \
- x[3] = ntohl(x[3]); \
- x[4] = ntohl(x[4]); } while (0)
-
-#endif /* _SHA1_H */
-