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Fix SM4-CCM bug in length encoding

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Zhi Guan
2024-04-21 10:09:31 +08:00
parent afd9682254
commit a485fa0b10
1 changed files with 1 additions and 1 deletions
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2
src/sm4_ccm.c
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@@ -18,7 +18,7 @@
static void length_to_bytes(size_t len, size_t nbytes, uint8_t *out) static void length_to_bytes(size_t len, size_t nbytes, uint8_t *out)
{ {
uint8_t *p = out + nbytes; uint8_t *p = out + nbytes - 1;
while (nbytes--) { while (nbytes--) {
*p-- = len & 0xff; *p-- = len & 0xff;
len >>= 8; len >>= 8;