Files
wolfssl/wolfcrypt
Juliusz Sosinowicz 01a6dded72 Fix AES-GCM in EVP layer to have compatiblity with OpenSSL
- Tag checking in AES-GCM is done in Final call
- Reset `WOLFSSL_EVP_CIPHER_CTX` structure after Final call
- Don't zero `ctx->authTag` struct in Init call so that user can get the AES-GCM tag using `EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_GET_TAG, AES_BLOCK_SIZE, tag)`
- `ctx->authTag` is only zeroed before authenticated, non-confidential data Update call since this means we are entering a new Udate-Final cycle. This doesn't need to be done in the decrypt case since the tag should be supplied by the user before the final call using `EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_SET_TAG, AES_BLOCK_SIZE, tag)`
2020-04-27 15:52:01 +02:00
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2020-02-18 21:37:06 +01:00