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explicit cast to word16 before shift with RC2

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JacobBarthelmeh
2026-05-12 11:30:38 -06:00
parent df5311c923
commit 35f61aaa66
1 changed files with 8 additions and 8 deletions
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wolfcrypt/src/rc2.c
+8 -8
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@@ -171,10 +171,10 @@ int wc_Rc2EcbEncrypt(Rc2* rc2, byte* out, const byte* in, word32 sz)
return BUFFER_E;
}
r10 = (in[1] << 8) | in[0]; /* R[0] */
r32 = (in[3] << 8) | in[2]; /* R[1] */
r54 = (in[5] << 8) | in[4]; /* R[2] */
r76 = (in[7] << 8) | in[6]; /* R[3] */
r10 = (word16)((word16)in[1] << 8) | in[0]; /* R[0] */
r32 = (word16)((word16)in[3] << 8) | in[2]; /* R[1] */
r54 = (word16)((word16)in[5] << 8) | in[4]; /* R[2] */
r76 = (word16)((word16)in[7] << 8) | in[6]; /* R[3] */
for (i = 0; i < 16; i++) {
j = i * 4;
@@ -236,10 +236,10 @@ int wc_Rc2EcbDecrypt(Rc2* rc2, byte* out, const byte* in, word32 sz)
return BUFFER_E;
}
r0 = (in[1] << 8) | in[0];
r1 = (in[3] << 8) | in[2];
r2 = (in[5] << 8) | in[4];
r3 = (in[7] << 8) | in[6];
r0 = (word16)((word16)in[1] << 8) | in[0];
r1 = (word16)((word16)in[3] << 8) | in[2];
r2 = (word16)((word16)in[5] << 8) | in[4];
r3 = (word16)((word16)in[7] << 8) | in[6];
for (i = 16; i > 0; i--) {
j = 4*i - 1;