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Correct handling of ed25519 keys #351

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Merged
merged 1 commit into from
Jun 12, 2023
Merged

Correct handling of ed25519 keys #351

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12 changes: 8 additions & 4 deletions common/util.c
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Original file line number Diff line number Diff line change
Expand Up @@ -139,16 +139,20 @@ bool read_private_key(uint8_t *buf, size_t len, yh_algorithm *algo,

EVP_PKEY_free(pkey);

if (hash_bytes(bytes, out_len, _SHA512, bytes, bytes_len) == false) {
return false;
}

bytes[0] &= 248;
bytes[31] &= 127;
bytes[31] |= 64;

for (uint8_t i = 0; i < 16; i++) {
uint8_t tmp = bytes[i];
bytes[i] = bytes[31 - i];
bytes[31 - i] = tmp;
}

if (hash_bytes(bytes, out_len, _SHA512, bytes, bytes_len) == false) {
return false;
}

*bytes_len += public_key_len;
#endif
}
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