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https://github.com/BLAKE2/BLAKE2
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length bug
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parent
1dd6358997
commit
73bd0dc652
@ -93,11 +93,12 @@ int blake2xs_final(blake2xs_state *S, void *out, size_t outlen)
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for (i = 0; outlen > 0; ++i) {
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const size_t block_size = (outlen < BLAKE2S_OUTBYTES) ? outlen : BLAKE2S_OUTBYTES;
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/* Initialize state */
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P->digest_length = block_size;
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store32(&P->node_offset, i);
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blake2s_init_param(C, P);
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/* Process key if needed */
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blake2s_update(C, root, BLAKE2S_OUTBYTES);
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blake2s_final(C, (uint8_t *)out + i * BLAKE2S_OUTBYTES, BLAKE2S_OUTBYTES);
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blake2s_final(C, (uint8_t *)out + i * BLAKE2S_OUTBYTES, block_size);
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outlen -= block_size;
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}
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secure_zero_memory(root, sizeof(root));
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@ -132,12 +133,12 @@ int blake2xs(void *out, size_t outlen, const void *in, size_t inlen, const void
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return -1;
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}
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/* Compute the root of the tree */
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/* Absorb the input message */
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if (blake2xs_update(S, in, inlen) < 0) {
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return -1;
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}
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/* Compute the final hash using the counter construction */
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/* Compute the root node of the tree and the final hash using the counter construction */
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return blake2xs_final(S, out, outlen);
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}
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