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secretbox: zero the state after checking only the tag

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This commit is contained in:
Frank Denis
2026-02-10 09:00:59 +01:00
parent 414c40318a
commit 8a8d8a62fa
2 changed files with 4 additions and 0 deletions
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src/libsodium/crypto_secretbox/crypto_secretbox_easy.c
+2
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@@ -99,6 +99,8 @@ crypto_secretbox_open_detached(unsigned char *m, const unsigned char *c,
return -1;
}
if (m == NULL) {
sodium_memzero(subkey, sizeof subkey);
sodium_memzero(block0, sizeof block0);
return 0;
}
ACQUIRE_FENCE;
src/libsodium/crypto_secretbox/xchacha20poly1305/secretbox_xchacha20poly1305.c
+2
View File
@@ -106,6 +106,8 @@ crypto_secretbox_xchacha20poly1305_open_detached(unsigned char *m,
return -1;
}
if (m == NULL) {
sodium_memzero(subkey, sizeof subkey);
sodium_memzero(block0, sizeof block0);
return 0;
}
ACQUIRE_FENCE;