mirror of
https://git.FreeBSD.org/ports.git
synced 2025-01-12 07:27:57 +00:00
63 lines
1.5 KiB
C
63 lines
1.5 KiB
C
--- tiger.c.orig Tue May 8 06:31:30 2007
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+++ tiger.c Tue May 8 08:07:57 2007
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@@ -646,12 +646,16 @@
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TIGER_COMPRESS_MACRO(((const uint64_t *) str), ((uint64_t *) state));
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}
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+static uint64_t init_state[3] = {
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+ 0x0123456789ABCDEFLL, 0xFEDCBA9876543210LL, 0xF096A5B4C3B2E187LL
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+};
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+
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void
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TIGERInit(tiger_context_t *tp)
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{
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- tp->ctx[0] = 0x0123456789ABCDEFLL;
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- tp->ctx[1] = 0xFEDCBA9876543210LL;
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- tp->ctx[2] = 0xF096A5B4C3B2E187LL;
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+ tp->ctx[0] = init_state[0];
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+ tp->ctx[1] = init_state[1];
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+ tp->ctx[2] = init_state[2];
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}
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void
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@@ -708,10 +712,27 @@
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tiger_compress(((uint64_t *) temp), tp->ctx);
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}
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+#define PUT_64BIT_BE(cp, value) do { \
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+ (cp)[0] = (value) >> 56; \
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+ (cp)[1] = (value) >> 48; \
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+ (cp)[2] = (value) >> 40; \
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+ (cp)[3] = (value) >> 32; \
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+ (cp)[4] = (value) >> 24; \
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+ (cp)[5] = (value) >> 16; \
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+ (cp)[6] = (value) >> 8; \
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+ (cp)[7] = (value); } while (0)
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+
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void
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TIGERFinal(uint8_t *digest, tiger_context_t *tp)
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{
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- /* nothing to do - included for compatibility with SHA* interface */
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+ int i;
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+
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+ if (tp->ctx[0] == init_state[0] && tp->ctx[1] == init_state[1] &&
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+ tp->ctx[2] == init_state[2])
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+ TIGERUpdate(tp, "", 0);
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+
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+ for (i = 0; i < 3; i++)
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+ PUT_64BIT_BE(digest + i * 8, tp->ctx[i]);
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}
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static void
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@@ -734,6 +755,9 @@
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if (buf == NULL && (buf = malloc(41)) == NULL) {
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return NULL;
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}
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+ if (tp->ctx[0] == init_state[0] && tp->ctx[1] == init_state[1] &&
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+ tp->ctx[2] == init_state[2])
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+ TIGERUpdate(tp, "", 0);
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for (i = 0; i < 3; ++i)
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print_uint64(buf + i * 16, tp->ctx[i]);
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