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authorMattias Andrée <maandree@kth.se>2022-01-07 19:52:35 +0100
committerMattias Andrée <maandree@kth.se>2022-01-07 20:21:49 +0100
commit6adc0e6c6c378b5438533bdf55636ef049c1b956 (patch)
treeea55a4f54d7d190a1634c0a7ec8054fa2cdf47fd /libblake_blake384_init2.c
parentlibblake_decode_hex: verify input (diff)
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Add BLAKE2b and BLAKE2s + add salt support to BLAKE + m
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat (limited to 'libblake_blake384_init2.c')
-rw-r--r--libblake_blake384_init2.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/libblake_blake384_init2.c b/libblake_blake384_init2.c
new file mode 100644
index 0000000..1ea2137
--- /dev/null
+++ b/libblake_blake384_init2.c
@@ -0,0 +1,31 @@
+/* See LICENSE file for copyright and license details. */
+#include "common.h"
+
+void
+libblake_blake384_init2(struct libblake_blake384_state *state, uint_least8_t salt[32])
+{
+ size_t i;
+ state->b.h[0] = UINT_LEAST64_C(0xCBBB9D5DC1059ED8);
+ state->b.h[1] = UINT_LEAST64_C(0x629A292A367CD507);
+ state->b.h[2] = UINT_LEAST64_C(0x9159015A3070DD17);
+ state->b.h[3] = UINT_LEAST64_C(0x152FECD8F70E5939);
+ state->b.h[4] = UINT_LEAST64_C(0x67332667FFC00B31);
+ state->b.h[5] = UINT_LEAST64_C(0x8EB44A8768581511);
+ state->b.h[6] = UINT_LEAST64_C(0xDB0C2E0D64F98FA7);
+ state->b.h[7] = UINT_LEAST64_C(0x47B5481DBEFA4FA4);
+ if (!salt) {
+ memset(state->b.s, 0, sizeof(state->b.s));
+ } else {
+ for (i = 0; i < 4; i++) {
+ state->b.s[i] = ((uint_least64_t)(salt[i * 8 + 0] & 255) << 56)
+ | ((uint_least64_t)(salt[i * 8 + 1] & 255) << 48)
+ | ((uint_least64_t)(salt[i * 8 + 2] & 255) << 40)
+ | ((uint_least64_t)(salt[i * 8 + 3] & 255) << 32)
+ | ((uint_least64_t)(salt[i * 8 + 4] & 255) << 24)
+ | ((uint_least64_t)(salt[i * 8 + 5] & 255) << 16)
+ | ((uint_least64_t)(salt[i * 8 + 6] & 255) << 8)
+ | ((uint_least64_t)(salt[i * 8 + 7] & 255) << 0);
+ }
+ }
+ memset(state->b.t, 0, sizeof(state->b.t));
+}