forked from Minki/linux
crypto: chcr - Fix fallback key setting
Set key of fallback tfm for rfc4309. Signed-off-by: Harsh Jain <harsh@chelsio.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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2512a62414
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@ -2210,7 +2210,8 @@ static int chcr_aead_rfc4309_setkey(struct crypto_aead *aead, const u8 *key,
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unsigned int keylen)
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{
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struct chcr_context *ctx = crypto_aead_ctx(aead);
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struct chcr_aead_ctx *aeadctx = AEAD_CTX(ctx);
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struct chcr_aead_ctx *aeadctx = AEAD_CTX(ctx);
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int error;
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if (keylen < 3) {
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crypto_tfm_set_flags((struct crypto_tfm *)aead,
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@ -2218,6 +2219,15 @@ static int chcr_aead_rfc4309_setkey(struct crypto_aead *aead, const u8 *key,
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aeadctx->enckey_len = 0;
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return -EINVAL;
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}
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crypto_aead_clear_flags(aeadctx->sw_cipher, CRYPTO_TFM_REQ_MASK);
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crypto_aead_set_flags(aeadctx->sw_cipher, crypto_aead_get_flags(aead) &
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CRYPTO_TFM_REQ_MASK);
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error = crypto_aead_setkey(aeadctx->sw_cipher, key, keylen);
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crypto_aead_clear_flags(aead, CRYPTO_TFM_RES_MASK);
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crypto_aead_set_flags(aead, crypto_aead_get_flags(aeadctx->sw_cipher) &
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CRYPTO_TFM_RES_MASK);
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if (error)
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return error;
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keylen -= 3;
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memcpy(aeadctx->salt, key + keylen, 3);
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return chcr_ccm_common_setkey(aead, key, keylen);
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