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pss: extra validity check

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This commit is contained in:
Michael Scire 2020-02-24 04:32:37 -08:00
parent c3656aae30
commit 8ccac1d18a
1 changed files with 1 additions and 0 deletions
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libraries/libvapours/include/vapours/crypto/impl/crypto_rsa_pss_impl.hpp
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@ -106,6 +106,7 @@ namespace ams::crypto::impl {
const u8 *salt = db + salt_ofs; const u8 *salt = db + salt_ofs;
const size_t salt_size = db_len - salt_ofs; const size_t salt_size = db_len - salt_ofs;
is_valid &= (salt_size != 0); is_valid &= (salt_size != 0);
is_valid &= (salt_size != db_len);
/* Verify hash. */ /* Verify hash. */
u8 cmp_hash[HashSize]; u8 cmp_hash[HashSize];