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Don't hardcode the AEGIS tag length

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This commit is contained in:
Frank Denis 2023-09-11 17:38:29 +02:00
parent 2a63dcb04f
commit b7ac85b5b7
2 changed files with 11 additions and 9 deletions
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11
src/libsodium/crypto_aead/aegis128l/aead_aegis128l.c
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@ -70,7 +70,7 @@ crypto_aead_aegis128l_encrypt(unsigned char *c, unsigned long long *clen_p, cons
k);
if (clen_p != NULL) {
if (ret == 0) {
clen = mlen + 16ULL;
clen = mlen + crypto_aead_aegis128l_ABYTES;
}
*clen_p = clen;
}
@ -86,13 +86,14 @@ crypto_aead_aegis128l_decrypt(unsigned char *m, unsigned long long *mlen_p, unsi
unsigned long long mlen = 0ULL;
int ret = -1;
if (clen >= 16ULL) {
ret = crypto_aead_aegis128l_decrypt_detached(m, nsec, c, clen - 16ULL, c + clen - 16ULL, ad,
adlen, npub, k);
if (clen >= crypto_aead_aegis128l_ABYTES) {
ret = crypto_aead_aegis128l_decrypt_detached(
m, nsec, c, clen - crypto_aead_aegis128l_ABYTES,
c + clen - crypto_aead_aegis128l_ABYTES, ad, adlen, npub, k);
}
if (mlen_p != NULL) {
if (ret == 0) {
mlen = clen - 16ULL;
mlen = clen - crypto_aead_aegis128l_ABYTES;
}
*mlen_p = mlen;
}

9
src/libsodium/crypto_aead/aegis256/aead_aegis256.c
View File

@ -70,7 +70,7 @@ crypto_aead_aegis256_encrypt(unsigned char *c, unsigned long long *clen_p, const
crypto_aead_aegis256_encrypt_detached(c, c + mlen, NULL, m, mlen, ad, adlen, nsec, npub, k);
if (clen_p != NULL) {
if (ret == 0) {
clen = mlen + 16ULL;
clen = mlen + crypto_aead_aegis256_ABYTES;
}
*clen_p = clen;
}
@ -86,13 +86,14 @@ crypto_aead_aegis256_decrypt(unsigned char *m, unsigned long long *mlen_p, unsig
unsigned long long mlen = 0ULL;
int ret = -1;
if (clen >= 16ULL) {
ret = crypto_aead_aegis256_decrypt_detached(m, nsec, c, clen - 16ULL, c + clen - 16ULL, ad,
if (clen >= crypto_aead_aegis256_ABYTES) {
ret = crypto_aead_aegis256_decrypt_detached(m, nsec, c, clen - crypto_aead_aegis256_ABYTES,
c + clen - crypto_aead_aegis256_ABYTES, ad,
adlen, npub, k);
}
if (mlen_p != NULL) {
if (ret == 0) {
mlen = clen - 16ULL;
mlen = clen - crypto_aead_aegis256_ABYTES;
}
*mlen_p = mlen;
}