crypto/openssl: support scatter-gather
Signed-off-by: Tomasz Kulasek <tomaszx.kulasek@intel.com> Acked-by: Declan Doherty <declan.doherty@intel.com>
This commit is contained in:
parent
2d03ec6abd
commit
8f675fc72d
@ -112,6 +112,7 @@ Limitations
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-----------
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* Maximum number of sessions is 2048.
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* Chained mbufs are not supported.
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* Chained mbufs are supported only for source mbuf (destination must be
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contiguous).
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* Hash only is not supported for GCM and GMAC.
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* Cipher only is not supported for GCM and GMAC.
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@ -484,24 +484,112 @@ get_session(struct openssl_qp *qp, struct rte_crypto_op *op)
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* Process Operations
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*------------------------------------------------------------------------------
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*/
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static inline int
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process_openssl_encryption_update(struct rte_mbuf *mbuf_src, int offset,
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uint8_t **dst, int srclen, EVP_CIPHER_CTX *ctx)
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{
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struct rte_mbuf *m;
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int dstlen;
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int l, n = srclen;
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uint8_t *src;
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for (m = mbuf_src; m != NULL && offset > rte_pktmbuf_data_len(m);
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m = m->next)
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offset -= rte_pktmbuf_data_len(m);
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if (m == 0)
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return -1;
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src = rte_pktmbuf_mtod_offset(m, uint8_t *, offset);
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l = rte_pktmbuf_data_len(m) - offset;
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if (srclen <= l) {
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if (EVP_EncryptUpdate(ctx, *dst, &dstlen, src, srclen) <= 0)
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return -1;
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*dst += l;
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return 0;
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}
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if (EVP_EncryptUpdate(ctx, *dst, &dstlen, src, l) <= 0)
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return -1;
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*dst += dstlen;
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n -= l;
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for (m = m->next; (m != NULL) && (n > 0); m = m->next) {
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src = rte_pktmbuf_mtod(m, uint8_t *);
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l = rte_pktmbuf_data_len(m) < n ? rte_pktmbuf_data_len(m) : n;
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if (EVP_EncryptUpdate(ctx, *dst, &dstlen, src, l) <= 0)
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return -1;
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*dst += dstlen;
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n -= l;
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}
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return 0;
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}
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static inline int
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process_openssl_decryption_update(struct rte_mbuf *mbuf_src, int offset,
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uint8_t **dst, int srclen, EVP_CIPHER_CTX *ctx)
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{
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struct rte_mbuf *m;
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int dstlen;
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int l, n = srclen;
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uint8_t *src;
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for (m = mbuf_src; m != NULL && offset > rte_pktmbuf_data_len(m);
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m = m->next)
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offset -= rte_pktmbuf_data_len(m);
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if (m == 0)
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return -1;
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src = rte_pktmbuf_mtod_offset(m, uint8_t *, offset);
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l = rte_pktmbuf_data_len(m) - offset;
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if (srclen <= l) {
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if (EVP_DecryptUpdate(ctx, *dst, &dstlen, src, srclen) <= 0)
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return -1;
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*dst += l;
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return 0;
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}
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if (EVP_DecryptUpdate(ctx, *dst, &dstlen, src, l) <= 0)
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return -1;
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*dst += dstlen;
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n -= l;
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for (m = m->next; (m != NULL) && (n > 0); m = m->next) {
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src = rte_pktmbuf_mtod(m, uint8_t *);
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l = rte_pktmbuf_data_len(m) < n ? rte_pktmbuf_data_len(m) : n;
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if (EVP_DecryptUpdate(ctx, *dst, &dstlen, src, l) <= 0)
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return -1;
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*dst += dstlen;
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n -= l;
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}
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return 0;
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}
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/** Process standard openssl cipher encryption */
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static int
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process_openssl_cipher_encrypt(uint8_t *src, uint8_t *dst,
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uint8_t *iv, uint8_t *key, int srclen,
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process_openssl_cipher_encrypt(struct rte_mbuf *mbuf_src, uint8_t *dst,
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int offset, uint8_t *iv, uint8_t *key, int srclen,
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EVP_CIPHER_CTX *ctx, const EVP_CIPHER *algo)
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{
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int dstlen, totlen;
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int totlen;
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if (EVP_EncryptInit_ex(ctx, algo, NULL, key, iv) <= 0)
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goto process_cipher_encrypt_err;
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EVP_CIPHER_CTX_set_padding(ctx, 0);
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if (EVP_EncryptUpdate(ctx, dst, &dstlen, src, srclen) <= 0)
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if (process_openssl_encryption_update(mbuf_src, offset, &dst,
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srclen, ctx))
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goto process_cipher_encrypt_err;
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if (EVP_EncryptFinal_ex(ctx, dst + dstlen, &totlen) <= 0)
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if (EVP_EncryptFinal_ex(ctx, dst, &totlen) <= 0)
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goto process_cipher_encrypt_err;
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return 0;
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@ -513,23 +601,23 @@ process_openssl_cipher_encrypt(uint8_t *src, uint8_t *dst,
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/** Process standard openssl cipher decryption */
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static int
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process_openssl_cipher_decrypt(uint8_t *src, uint8_t *dst,
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uint8_t *iv, uint8_t *key, int srclen,
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process_openssl_cipher_decrypt(struct rte_mbuf *mbuf_src, uint8_t *dst,
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int offset, uint8_t *iv, uint8_t *key, int srclen,
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EVP_CIPHER_CTX *ctx, const EVP_CIPHER *algo)
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{
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int dstlen, totlen;
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int totlen;
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if (EVP_DecryptInit_ex(ctx, algo, NULL, key, iv) <= 0)
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goto process_cipher_decrypt_err;
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EVP_CIPHER_CTX_set_padding(ctx, 0);
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if (EVP_DecryptUpdate(ctx, dst, &dstlen, src, srclen) <= 0)
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if (process_openssl_decryption_update(mbuf_src, offset, &dst,
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srclen, ctx))
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goto process_cipher_decrypt_err;
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if (EVP_DecryptFinal_ex(ctx, dst + dstlen, &totlen) <= 0)
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if (EVP_DecryptFinal_ex(ctx, dst, &totlen) <= 0)
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goto process_cipher_decrypt_err;
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return 0;
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process_cipher_decrypt_err:
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@ -539,11 +627,25 @@ process_openssl_cipher_decrypt(uint8_t *src, uint8_t *dst,
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/** Process cipher des 3 ctr encryption, decryption algorithm */
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static int
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process_openssl_cipher_des3ctr(uint8_t *src, uint8_t *dst,
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uint8_t *iv, uint8_t *key, int srclen, EVP_CIPHER_CTX *ctx)
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process_openssl_cipher_des3ctr(struct rte_mbuf *mbuf_src, uint8_t *dst,
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int offset, uint8_t *iv, uint8_t *key, int srclen,
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EVP_CIPHER_CTX *ctx)
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{
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uint8_t ebuf[8], ctr[8];
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int unused, n;
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struct rte_mbuf *m;
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uint8_t *src;
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int l;
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for (m = mbuf_src; m != NULL && offset > rte_pktmbuf_data_len(m);
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m = m->next)
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offset -= rte_pktmbuf_data_len(m);
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if (m == 0)
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goto process_cipher_des3ctr_err;
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src = rte_pktmbuf_mtod_offset(m, uint8_t *, offset);
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l = rte_pktmbuf_data_len(m) - offset;
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/* We use 3DES encryption also for decryption.
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* IV is not important for 3DES ecb
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@ -552,9 +654,8 @@ process_openssl_cipher_des3ctr(uint8_t *src, uint8_t *dst,
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goto process_cipher_des3ctr_err;
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memcpy(ctr, iv, 8);
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n = 0;
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while (n < srclen) {
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for (n = 0; n < srclen; n++) {
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if (n % 8 == 0) {
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if (EVP_EncryptUpdate(ctx,
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(unsigned char *)&ebuf, &unused,
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@ -562,8 +663,16 @@ process_openssl_cipher_des3ctr(uint8_t *src, uint8_t *dst,
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goto process_cipher_des3ctr_err;
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ctr_inc(ctr);
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}
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dst[n] = src[n] ^ ebuf[n % 8];
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n++;
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dst[n] = *(src++) ^ ebuf[n % 8];
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l--;
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if (!l) {
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m = m->next;
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if (m) {
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src = rte_pktmbuf_mtod(m, uint8_t *);
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l = rte_pktmbuf_data_len(m);
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}
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}
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}
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return 0;
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@ -575,9 +684,9 @@ process_openssl_cipher_des3ctr(uint8_t *src, uint8_t *dst,
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/** Process auth/encription aes-gcm algorithm */
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static int
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process_openssl_auth_encryption_gcm(uint8_t *src, int srclen,
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uint8_t *aad, int aadlen, uint8_t *iv, int ivlen,
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uint8_t *key, uint8_t *dst, uint8_t *tag,
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process_openssl_auth_encryption_gcm(struct rte_mbuf *mbuf_src, int offset,
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int srclen, uint8_t *aad, int aadlen, uint8_t *iv, int ivlen,
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uint8_t *key, uint8_t *dst, uint8_t *tag,
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EVP_CIPHER_CTX *ctx, const EVP_CIPHER *algo)
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{
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int len = 0, unused = 0;
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@ -592,20 +701,20 @@ process_openssl_auth_encryption_gcm(uint8_t *src, int srclen,
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if (EVP_EncryptInit_ex(ctx, NULL, NULL, key, iv) <= 0)
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goto process_auth_encryption_gcm_err;
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if (aadlen > 0) {
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if (aadlen > 0)
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if (EVP_EncryptUpdate(ctx, NULL, &len, aad, aadlen) <= 0)
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goto process_auth_encryption_gcm_err;
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/* Workaround open ssl bug in version less then 1.0.1f */
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if (EVP_EncryptUpdate(ctx, empty, &unused, empty, 0) <= 0)
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goto process_auth_encryption_gcm_err;
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}
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if (srclen > 0)
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if (EVP_EncryptUpdate(ctx, dst, &len, src, srclen) <= 0)
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if (process_openssl_encryption_update(mbuf_src, offset, &dst,
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srclen, ctx))
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goto process_auth_encryption_gcm_err;
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if (EVP_EncryptFinal_ex(ctx, dst + len, &len) <= 0)
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/* Workaround open ssl bug in version less then 1.0.1f */
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if (EVP_EncryptUpdate(ctx, empty, &unused, empty, 0) <= 0)
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goto process_auth_encryption_gcm_err;
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if (EVP_EncryptFinal_ex(ctx, dst, &len) <= 0)
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goto process_auth_encryption_gcm_err;
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if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CTRL_GCM_GET_TAG, 16, tag) <= 0)
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@ -619,10 +728,10 @@ process_openssl_auth_encryption_gcm(uint8_t *src, int srclen,
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}
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static int
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process_openssl_auth_decryption_gcm(uint8_t *src, int srclen,
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uint8_t *aad, int aadlen, uint8_t *iv, int ivlen,
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uint8_t *key, uint8_t *dst, uint8_t *tag,
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EVP_CIPHER_CTX *ctx, const EVP_CIPHER *algo)
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process_openssl_auth_decryption_gcm(struct rte_mbuf *mbuf_src, int offset,
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int srclen, uint8_t *aad, int aadlen, uint8_t *iv, int ivlen,
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uint8_t *key, uint8_t *dst, uint8_t *tag, EVP_CIPHER_CTX *ctx,
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const EVP_CIPHER *algo)
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{
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int len = 0, unused = 0;
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uint8_t empty[] = {};
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@ -639,20 +748,20 @@ process_openssl_auth_decryption_gcm(uint8_t *src, int srclen,
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if (EVP_DecryptInit_ex(ctx, NULL, NULL, key, iv) <= 0)
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goto process_auth_decryption_gcm_err;
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if (aadlen > 0) {
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if (aadlen > 0)
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if (EVP_DecryptUpdate(ctx, NULL, &len, aad, aadlen) <= 0)
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goto process_auth_decryption_gcm_err;
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/* Workaround open ssl bug in version less then 1.0.1f */
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if (EVP_DecryptUpdate(ctx, empty, &unused, empty, 0) <= 0)
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goto process_auth_decryption_gcm_err;
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}
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if (srclen > 0)
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if (EVP_DecryptUpdate(ctx, dst, &len, src, srclen) <= 0)
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if (process_openssl_decryption_update(mbuf_src, offset, &dst,
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srclen, ctx))
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goto process_auth_decryption_gcm_err;
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if (EVP_DecryptFinal_ex(ctx, dst + len, &len) <= 0)
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/* Workaround open ssl bug in version less then 1.0.1f */
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if (EVP_DecryptUpdate(ctx, empty, &unused, empty, 0) <= 0)
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goto process_auth_decryption_gcm_err;
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if (EVP_DecryptFinal_ex(ctx, dst, &len) <= 0)
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goto process_auth_decryption_gcm_final_err;
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return 0;
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@ -667,21 +776,50 @@ process_openssl_auth_decryption_gcm(uint8_t *src, int srclen,
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/** Process standard openssl auth algorithms */
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static int
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process_openssl_auth(uint8_t *src, uint8_t *dst,
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process_openssl_auth(struct rte_mbuf *mbuf_src, uint8_t *dst, int offset,
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__rte_unused uint8_t *iv, __rte_unused EVP_PKEY * pkey,
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int srclen, EVP_MD_CTX *ctx, const EVP_MD *algo)
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{
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size_t dstlen;
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struct rte_mbuf *m;
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int l, n = srclen;
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uint8_t *src;
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for (m = mbuf_src; m != NULL && offset > rte_pktmbuf_data_len(m);
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m = m->next)
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offset -= rte_pktmbuf_data_len(m);
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if (m == 0)
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goto process_auth_err;
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if (EVP_DigestInit_ex(ctx, algo, NULL) <= 0)
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goto process_auth_err;
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if (EVP_DigestUpdate(ctx, (char *)src, srclen) <= 0)
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src = rte_pktmbuf_mtod_offset(m, uint8_t *, offset);
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l = rte_pktmbuf_data_len(m) - offset;
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if (srclen <= l) {
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if (EVP_DigestUpdate(ctx, (char *)src, srclen) <= 0)
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goto process_auth_err;
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goto process_auth_final;
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}
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if (EVP_DigestUpdate(ctx, (char *)src, l) <= 0)
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goto process_auth_err;
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n -= l;
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for (m = m->next; (m != NULL) && (n > 0); m = m->next) {
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src = rte_pktmbuf_mtod(m, uint8_t *);
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l = rte_pktmbuf_data_len(m) < n ? rte_pktmbuf_data_len(m) : n;
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if (EVP_DigestUpdate(ctx, (char *)src, l) <= 0)
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goto process_auth_err;
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n -= l;
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}
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process_auth_final:
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if (EVP_DigestFinal_ex(ctx, dst, (unsigned int *)&dstlen) <= 0)
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goto process_auth_err;
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return 0;
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process_auth_err:
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@ -691,18 +829,48 @@ process_openssl_auth(uint8_t *src, uint8_t *dst,
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/** Process standard openssl auth algorithms with hmac */
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static int
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process_openssl_auth_hmac(uint8_t *src, uint8_t *dst,
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process_openssl_auth_hmac(struct rte_mbuf *mbuf_src, uint8_t *dst, int offset,
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__rte_unused uint8_t *iv, EVP_PKEY *pkey,
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int srclen, EVP_MD_CTX *ctx, const EVP_MD *algo)
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int srclen, EVP_MD_CTX *ctx, const EVP_MD *algo)
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{
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size_t dstlen;
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struct rte_mbuf *m;
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int l, n = srclen;
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uint8_t *src;
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for (m = mbuf_src; m != NULL && offset > rte_pktmbuf_data_len(m);
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m = m->next)
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offset -= rte_pktmbuf_data_len(m);
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if (m == 0)
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goto process_auth_err;
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if (EVP_DigestSignInit(ctx, NULL, algo, NULL, pkey) <= 0)
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goto process_auth_err;
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if (EVP_DigestSignUpdate(ctx, (char *)src, srclen) <= 0)
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src = rte_pktmbuf_mtod_offset(m, uint8_t *, offset);
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l = rte_pktmbuf_data_len(m) - offset;
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if (srclen <= l) {
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if (EVP_DigestSignUpdate(ctx, (char *)src, srclen) <= 0)
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goto process_auth_err;
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goto process_auth_final;
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}
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if (EVP_DigestSignUpdate(ctx, (char *)src, l) <= 0)
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goto process_auth_err;
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n -= l;
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for (m = m->next; (m != NULL) && (n > 0); m = m->next) {
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src = rte_pktmbuf_mtod(m, uint8_t *);
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l = rte_pktmbuf_data_len(m) < n ? rte_pktmbuf_data_len(m) : n;
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if (EVP_DigestSignUpdate(ctx, (char *)src, l) <= 0)
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goto process_auth_err;
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n -= l;
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}
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process_auth_final:
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if (EVP_DigestSignFinal(ctx, dst, &dstlen) <= 0)
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||||
goto process_auth_err;
|
||||
|
||||
@ -722,9 +890,18 @@ process_openssl_combined_op
|
||||
struct rte_mbuf *mbuf_src, struct rte_mbuf *mbuf_dst)
|
||||
{
|
||||
/* cipher */
|
||||
uint8_t *src = NULL, *dst = NULL, *iv, *tag, *aad;
|
||||
uint8_t *dst = NULL, *iv, *tag, *aad;
|
||||
int srclen, ivlen, aadlen, status = -1;
|
||||
|
||||
/*
|
||||
* Segmented destination buffer is not supported for
|
||||
* encryption/decryption
|
||||
*/
|
||||
if (!rte_pktmbuf_is_contiguous(mbuf_dst)) {
|
||||
op->status = RTE_CRYPTO_OP_STATUS_ERROR;
|
||||
return;
|
||||
}
|
||||
|
||||
iv = op->sym->cipher.iv.data;
|
||||
ivlen = op->sym->cipher.iv.length;
|
||||
aad = op->sym->auth.aad.data;
|
||||
@ -740,22 +917,22 @@ process_openssl_combined_op
|
||||
srclen = 0;
|
||||
else {
|
||||
srclen = op->sym->cipher.data.length;
|
||||
src = rte_pktmbuf_mtod_offset(mbuf_src, uint8_t *,
|
||||
op->sym->cipher.data.offset);
|
||||
dst = rte_pktmbuf_mtod_offset(mbuf_dst, uint8_t *,
|
||||
op->sym->cipher.data.offset);
|
||||
}
|
||||
|
||||
if (sess->cipher.direction == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
|
||||
status = process_openssl_auth_encryption_gcm(
|
||||
src, srclen, aad, aadlen, iv, ivlen,
|
||||
sess->cipher.key.data, dst, tag,
|
||||
sess->cipher.ctx, sess->cipher.evp_algo);
|
||||
mbuf_src, op->sym->cipher.data.offset, srclen,
|
||||
aad, aadlen, iv, ivlen, sess->cipher.key.data,
|
||||
dst, tag, sess->cipher.ctx,
|
||||
sess->cipher.evp_algo);
|
||||
else
|
||||
status = process_openssl_auth_decryption_gcm(
|
||||
src, srclen, aad, aadlen, iv, ivlen,
|
||||
sess->cipher.key.data, dst, tag,
|
||||
sess->cipher.ctx, sess->cipher.evp_algo);
|
||||
mbuf_src, op->sym->cipher.data.offset, srclen,
|
||||
aad, aadlen, iv, ivlen, sess->cipher.key.data,
|
||||
dst, tag, sess->cipher.ctx,
|
||||
sess->cipher.evp_algo);
|
||||
|
||||
if (status != 0) {
|
||||
if (status == (-EFAULT) &&
|
||||
@ -773,12 +950,19 @@ process_openssl_cipher_op
|
||||
(struct rte_crypto_op *op, struct openssl_session *sess,
|
||||
struct rte_mbuf *mbuf_src, struct rte_mbuf *mbuf_dst)
|
||||
{
|
||||
uint8_t *src, *dst, *iv;
|
||||
uint8_t *dst, *iv;
|
||||
int srclen, status;
|
||||
|
||||
/*
|
||||
* Segmented destination buffer is not supported for
|
||||
* encryption/decryption
|
||||
*/
|
||||
if (!rte_pktmbuf_is_contiguous(mbuf_dst)) {
|
||||
op->status = RTE_CRYPTO_OP_STATUS_ERROR;
|
||||
return;
|
||||
}
|
||||
|
||||
srclen = op->sym->cipher.data.length;
|
||||
src = rte_pktmbuf_mtod_offset(mbuf_src, uint8_t *,
|
||||
op->sym->cipher.data.offset);
|
||||
dst = rte_pktmbuf_mtod_offset(mbuf_dst, uint8_t *,
|
||||
op->sym->cipher.data.offset);
|
||||
|
||||
@ -786,17 +970,20 @@ process_openssl_cipher_op
|
||||
|
||||
if (sess->cipher.mode == OPENSSL_CIPHER_LIB)
|
||||
if (sess->cipher.direction == RTE_CRYPTO_CIPHER_OP_ENCRYPT)
|
||||
status = process_openssl_cipher_encrypt(src, dst, iv,
|
||||
status = process_openssl_cipher_encrypt(mbuf_src, dst,
|
||||
op->sym->cipher.data.offset, iv,
|
||||
sess->cipher.key.data, srclen,
|
||||
sess->cipher.ctx,
|
||||
sess->cipher.evp_algo);
|
||||
else
|
||||
status = process_openssl_cipher_decrypt(src, dst, iv,
|
||||
status = process_openssl_cipher_decrypt(mbuf_src, dst,
|
||||
op->sym->cipher.data.offset, iv,
|
||||
sess->cipher.key.data, srclen,
|
||||
sess->cipher.ctx,
|
||||
sess->cipher.evp_algo);
|
||||
else
|
||||
status = process_openssl_cipher_des3ctr(src, dst, iv,
|
||||
status = process_openssl_cipher_des3ctr(mbuf_src, dst,
|
||||
op->sym->cipher.data.offset, iv,
|
||||
sess->cipher.key.data, srclen,
|
||||
sess->cipher.ctx);
|
||||
|
||||
@ -810,12 +997,10 @@ process_openssl_auth_op
|
||||
(struct rte_crypto_op *op, struct openssl_session *sess,
|
||||
struct rte_mbuf *mbuf_src, struct rte_mbuf *mbuf_dst)
|
||||
{
|
||||
uint8_t *src, *dst;
|
||||
uint8_t *dst;
|
||||
int srclen, status;
|
||||
|
||||
srclen = op->sym->auth.data.length;
|
||||
src = rte_pktmbuf_mtod_offset(mbuf_src, uint8_t *,
|
||||
op->sym->auth.data.offset);
|
||||
|
||||
if (sess->auth.operation == RTE_CRYPTO_AUTH_OP_VERIFY)
|
||||
dst = (uint8_t *)rte_pktmbuf_append(mbuf_src,
|
||||
@ -830,13 +1015,14 @@ process_openssl_auth_op
|
||||
|
||||
switch (sess->auth.mode) {
|
||||
case OPENSSL_AUTH_AS_AUTH:
|
||||
status = process_openssl_auth(src, dst,
|
||||
NULL, NULL, srclen,
|
||||
status = process_openssl_auth(mbuf_src, dst,
|
||||
op->sym->auth.data.offset, NULL, NULL, srclen,
|
||||
sess->auth.auth.ctx, sess->auth.auth.evp_algo);
|
||||
break;
|
||||
case OPENSSL_AUTH_AS_HMAC:
|
||||
status = process_openssl_auth_hmac(src, dst,
|
||||
NULL, sess->auth.hmac.pkey, srclen,
|
||||
status = process_openssl_auth_hmac(mbuf_src, dst,
|
||||
op->sym->auth.data.offset, NULL,
|
||||
sess->auth.hmac.pkey, srclen,
|
||||
sess->auth.hmac.ctx, sess->auth.hmac.evp_algo);
|
||||
break;
|
||||
default:
|
||||
@ -850,8 +1036,7 @@ process_openssl_auth_op
|
||||
op->status = RTE_CRYPTO_OP_STATUS_AUTH_FAILED;
|
||||
}
|
||||
/* Trim area used for digest from mbuf. */
|
||||
rte_pktmbuf_trim(mbuf_src,
|
||||
op->sym->auth.digest.length);
|
||||
rte_pktmbuf_trim(mbuf_src, op->sym->auth.digest.length);
|
||||
}
|
||||
|
||||
if (status != 0)
|
||||
@ -902,7 +1087,6 @@ process_op(const struct openssl_qp *qp, struct rte_crypto_op *op,
|
||||
op->sym->session = NULL;
|
||||
}
|
||||
|
||||
|
||||
if (op->status == RTE_CRYPTO_OP_STATUS_NOT_PROCESSED)
|
||||
op->status = RTE_CRYPTO_OP_STATUS_SUCCESS;
|
||||
|
||||
@ -996,7 +1180,8 @@ cryptodev_openssl_create(const char *name,
|
||||
|
||||
dev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
|
||||
RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING |
|
||||
RTE_CRYPTODEV_FF_CPU_AESNI;
|
||||
RTE_CRYPTODEV_FF_CPU_AESNI |
|
||||
RTE_CRYPTODEV_FF_MBUF_SCATTER_GATHER;
|
||||
|
||||
/* Set vector instructions mode supported */
|
||||
internals = dev->data->dev_private;
|
||||
|
Loading…
Reference in New Issue
Block a user