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Guard SHA client hash block-transfer loops to propagate errors #309

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Merged
bigbrett merged 2 commits into from
Mar 18, 2026
Merged

Guard SHA client hash block-transfer loops to propagate errors #309

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31e5c0d
Guard SHA client hash block-transfer loops to propagate errors instea…
jackctj117 Mar 18, 2026
0ff1550
final guard fix
jackctj117 Mar 18, 2026
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8 changes: 4 additions & 4 deletions src/wh_client_crypto.c
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Original file line number Diff line number Diff line change
Expand Up @@ -4417,7 +4417,7 @@ int wh_Client_Sha256(whClientContext* ctx, wc_Sha256* sha256, const uint8_t* in,
}

/* Process as many full blocks from the input data as we can */
while ((inLen - i) >= WC_SHA256_BLOCK_SIZE) {
while (ret == 0 && (inLen - i) >= WC_SHA256_BLOCK_SIZE) {
memcpy(sha256BufferBytes, in + i, WC_SHA256_BLOCK_SIZE);
ret = _xferSha256BlockAndUpdateDigest(ctx, sha256, 0);
i += WC_SHA256_BLOCK_SIZE;
Expand Down Expand Up @@ -4707,7 +4707,7 @@ int wh_Client_Sha224(whClientContext* ctx, wc_Sha224* sha224, const uint8_t* in,
}

/* Process as many full blocks from the input data as we can */
while ((inLen - i) >= WC_SHA224_BLOCK_SIZE) {
while (ret == 0 && (inLen - i) >= WC_SHA224_BLOCK_SIZE) {
memcpy(sha224BufferBytes, in + i, WC_SHA224_BLOCK_SIZE);
ret = _xferSha224BlockAndUpdateDigest(ctx, sha224, 0);
i += WC_SHA224_BLOCK_SIZE;
Expand Down Expand Up @@ -4988,7 +4988,7 @@ int wh_Client_Sha384(whClientContext* ctx, wc_Sha384* sha384, const uint8_t* in,
}

/* Process as many full blocks from the input data as we can */
while ((inLen - i) >= WC_SHA384_BLOCK_SIZE) {
while (ret == 0 && (inLen - i) >= WC_SHA384_BLOCK_SIZE) {
memcpy(sha384BufferBytes, in + i, WC_SHA384_BLOCK_SIZE);
ret = _xferSha384BlockAndUpdateDigest(ctx, sha384, 0);
i += WC_SHA384_BLOCK_SIZE;
Expand Down Expand Up @@ -5268,7 +5268,7 @@ int wh_Client_Sha512(whClientContext* ctx, wc_Sha512* sha512, const uint8_t* in,
}

/* Process as many full blocks from the input data as we can */
while ((inLen - i) >= WC_SHA512_BLOCK_SIZE) {
while (ret == 0 && (inLen - i) >= WC_SHA512_BLOCK_SIZE) {
memcpy(sha512BufferBytes, in + i, WC_SHA512_BLOCK_SIZE);
ret = _xferSha512BlockAndUpdateDigest(ctx, sha512, 0);
i += WC_SHA512_BLOCK_SIZE;
Expand Down
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