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nfqws: fix crypto code

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bol-van
2025-11-18 15:14:42 +03:00
parent ce7d91a7ca
commit 43cea80619
3 changed files with 10 additions and 7 deletions
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8
nfq/crypto/aes-gcm.c
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@@ -5,9 +5,11 @@ int aes_gcm_crypt(int mode, uint8_t *output, const uint8_t *input, size_t input_
int ret = 0;
gcm_context ctx;
gcm_setkey(&ctx, key, (const uint)key_len);
ret = gcm_crypt_and_tag(&ctx, mode, iv, iv_len, adata, adata_len, input, output, input_length, atag, atag_len);
gcm_zero_ctx(&ctx);
if (!(ret = gcm_setkey(&ctx, key, (const uint)key_len)))
{
ret = gcm_crypt_and_tag(&ctx, mode, iv, iv_len, adata, adata_len, input, output, input_length, atag, atag_len);
gcm_zero_ctx(&ctx);
}
return ret;
}

4
nfq/crypto/aes.c
View File

@@ -367,7 +367,7 @@ int aes_setkey(aes_context *ctx, // AES context provided by our caller
}
#if AES_DECRYPTION
if (mode == DECRYPT) // expand our key for encryption or decryption
if (mode == AES_DECRYPT) // expand our key for encryption or decryption
return(aes_set_decryption_key(ctx, key, keysize));
else /* ENCRYPT */
#endif /* AES_DECRYPTION */
@@ -399,7 +399,7 @@ int aes_cipher(aes_context *ctx,
#if AES_DECRYPTION // whether AES decryption is supported
if (ctx->mode == DECRYPT)
if (ctx->mode == AES_DECRYPT)
{
for (i = (ctx->rounds >> 1) - 1; i > 0; i--)
{

5
nfq/crypto/gcm.c
View File

@@ -246,7 +246,7 @@ int gcm_setkey(gcm_context *ctx, // pointer to caller-provided gcm context
*
******************************************************************************/
int gcm_start(gcm_context *ctx, // pointer to user-provided GCM context
int mode, // GCM_ENCRYPT or GCM_DECRYPT
int mode, // AES_ENCRYPT or AES_DECRYPT
const uchar *iv, // pointer to initialization vector
size_t iv_len, // IV length in bytes (should == 12)
const uchar *add, // ptr to additional AEAD data (NULL if none)
@@ -288,6 +288,7 @@ int gcm_start(gcm_context *ctx, // pointer to user-provided GCM context
for (i = 0; i < 16; i++) ctx->y[i] ^= work_buf[i];
gcm_mult(ctx, ctx->y, ctx->y);
}
if ((ret = aes_cipher(&ctx->aes_ctx, ctx->y, ctx->base_ectr)) != 0)
return(ret);
@@ -427,7 +428,7 @@ int gcm_finish(gcm_context *ctx, // pointer to user-provided GCM context
******************************************************************************/
int gcm_crypt_and_tag(
gcm_context *ctx, // gcm context with key already setup
int mode, // cipher direction: GCM_ENCRYPT or GCM_DECRYPT
int mode, // cipher direction: AES_ENCRYPT or AES_DECRYPT
const uchar *iv, // pointer to the 12-byte initialization vector
size_t iv_len, // byte length if the IV. should always be 12
const uchar *add, // pointer to the non-ciphered additional data