skylab/MasterPassword
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Limit subkeys to 128-512 bit.

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This commit is contained in:
Maarten Billemont
2017-08-10 12:45:25 -04:00
parent 4f7c28563d
commit c3bb896f40
2 changed files with 6 additions and 3 deletions
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5
core/c/mpw-util.c
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@@ -164,7 +164,10 @@ uint8_t const *mpw_kdf_blake2b(const size_t subkeySize, const uint8_t *key, cons
return NULL;
#if HAS_SODIUM
if (personal && strlen( personal ) > crypto_generichash_blake2b_PERSONALBYTES) {
if (keySize < crypto_generichash_blake2b_KEYBYTES_MIN || keySize > crypto_generichash_blake2b_KEYBYTES_MAX ||
subkeySize < crypto_generichash_blake2b_KEYBYTES_MIN || subkeySize > crypto_generichash_blake2b_KEYBYTES_MAX ||
contextSize < crypto_generichash_blake2b_BYTES_MIN || contextSize > crypto_generichash_blake2b_BYTES_MAX ||
(personal && strlen( personal ) > crypto_generichash_blake2b_PERSONALBYTES)) {
errno = EINVAL;
free( subkey );
return NULL;