Eric Lee / linux-smarc-t335x-v3.2

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Commit fe70f5dfe1a7b5caab96531089dac3d8728c0ebd

Authored by Herbert Xu
1 parent 6160b28992
Exists in master and in 4 other branches v3.2_AM335xPSP_04.06.00.11, v3.2_NEWT335xPSP_04.06.00.11, v3.2_SBC_SMARTMEN, v3.2_SMARCT335xPSP_04.06.00.11

[CRYPTO] aead: Return EBADMSG for ICV mismatch 

This patch changes gcm/authenc to return EBADMSG instead of EINVAL for
ICV mismatches.  This convention has already been adopted by IPsec.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

Showing 2 changed files with 2 additions and 2 deletions Side-by-side Diff

... ... @@ -200,7 +200,7 @@
200 200  
201 201 authsize = crypto_aead_authsize(authenc);
202 202 scatterwalk_map_and_copy(ihash, src, cryptlen, authsize, 0);
203   - return memcmp(ihash, ohash, authsize) ? -EINVAL : 0;
  203 + return memcmp(ihash, ohash, authsize) ? -EBADMSG: 0;
204 204 }
205 205  
206 206 static void crypto_authenc_decrypt_done(struct crypto_async_request *req,
... ... @@ -327,7 +327,7 @@
327 327  
328 328 scatterwalk_map_and_copy(iauth_tag, req->src, cryptlen, authsize, 0);
329 329 if (memcmp(iauth_tag, auth_tag, authsize))
330   - return -EINVAL;
  330 + return -EBADMSG;
331 331  
332 332 return crypto_ablkcipher_decrypt(&abreq);
333 333 }