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Merge pull request #971 from jrblixt/unitTest_api_addIdea-PR06142017

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Add IDEA unit test functions.
This commit is contained in:
Chris Conlon
2017-06-15 13:12:52 -06:00
committed by GitHub
parent 1d303f5f61 d5a43af751
commit e6f0ee84ec
4 changed files with 264 additions and 10 deletions
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22
wolfcrypt/src/idea.c
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@@ -194,12 +194,16 @@ int wc_IdeaSetIV(Idea *idea, const byte* iv)
/* encryption/decryption for a block (64 bits)
*/
void wc_IdeaCipher(Idea *idea, byte* out, const byte* in)
int wc_IdeaCipher(Idea *idea, byte* out, const byte* in)
{
word32 t1, t2;
word16 i, skey_idx = 0, idx = 0;
word16 x[4];
if (idea == NULL || out == NULL || in == NULL) {
return BAD_FUNC_ARG;
}
/* put input byte block in word16 */
for (i = 0; i < IDEA_BLOCK_SIZE/2; i++) {
x[i] = (word16)in[idx++] << 8;
@@ -241,11 +245,14 @@ void wc_IdeaCipher(Idea *idea, byte* out, const byte* in)
x[3] = idea_mult(x[3], idea->skey[skey_idx++]);
out[6] = (x[3] >> 8) & 0xFF;
out[7] = x[3] & 0xFF;
return 0;
}
int wc_IdeaCbcEncrypt(Idea *idea, byte* out, const byte* in, word32 len)
{
int blocks;
int ret;
if (idea == NULL || out == NULL || in == NULL)
return BAD_FUNC_ARG;
@@ -253,7 +260,11 @@ int wc_IdeaCbcEncrypt(Idea *idea, byte* out, const byte* in, word32 len)
blocks = len / IDEA_BLOCK_SIZE;
while (blocks--) {
xorbuf((byte*)idea->reg, in, IDEA_BLOCK_SIZE);
wc_IdeaCipher(idea, (byte*)idea->reg, (byte*)idea->reg);
ret = wc_IdeaCipher(idea, (byte*)idea->reg, (byte*)idea->reg);
if (ret != 0) {
return ret;
}
XMEMCPY(out, idea->reg, IDEA_BLOCK_SIZE);
out += IDEA_BLOCK_SIZE;
@@ -266,6 +277,7 @@ int wc_IdeaCbcEncrypt(Idea *idea, byte* out, const byte* in, word32 len)
int wc_IdeaCbcDecrypt(Idea *idea, byte* out, const byte* in, word32 len)
{
int blocks;
int ret;
if (idea == NULL || out == NULL || in == NULL)
return BAD_FUNC_ARG;
@@ -273,7 +285,11 @@ int wc_IdeaCbcDecrypt(Idea *idea, byte* out, const byte* in, word32 len)
blocks = len / IDEA_BLOCK_SIZE;
while (blocks--) {
XMEMCPY((byte*)idea->tmp, in, IDEA_BLOCK_SIZE);
wc_IdeaCipher(idea, out, (byte*)idea->tmp);
ret = wc_IdeaCipher(idea, out, (byte*)idea->tmp);
if (ret != 0) {
return ret;
}
xorbuf(out, (byte*)idea->reg, IDEA_BLOCK_SIZE);
XMEMCPY(idea->reg, idea->tmp, IDEA_BLOCK_SIZE);