Implement Aria GCM/CCM Modes and TLS cipher suites

AEAD cipher mode implementation is based on that used for AES:

  https://tools.ietf.org/html/rfc5116

TLS GCM cipher suites as specified in:

  https://tools.ietf.org/html/rfc6209

Reviewed-by: Paul Dale <paul.dale@oracle.com>
Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/4287)

1 files changed, 601 insertions, 1 deletions

diff --git a/crypto/evp/e_aria.c b/crypto/evp/e_aria.c
index 6f179e2544..00e008a368 100644
--- a/crypto/evp/e_aria.c
+++ b/crypto/evp/e_aria.c
@@ -12,14 +12,49 @@
 #ifndef OPENSSL_NO_ARIA
 # include <openssl/evp.h>
 # include <openssl/modes.h>
-# include"internal/aria.h"
+# include <openssl/rand.h>
+# include "internal/aria.h"
 # include "internal/evp_int.h"
+# include "modes_lcl.h"
+# include "evp_locl.h"
 
 /* ARIA subkey Structure */
 typedef struct {
     ARIA_KEY ks;
 } EVP_ARIA_KEY;
 
+/* ARIA GCM context */
+typedef struct {
+    union {
+        double align;
+        ARIA_KEY ks;
+    } ks;                       /* ARIA subkey to use */
+    int key_set;                /* Set if key initialised */
+    int iv_set;                 /* Set if an iv is set */
+    GCM128_CONTEXT gcm;
+    unsigned char *iv;          /* Temporary IV store */
+    int ivlen;                  /* IV length */
+    int taglen;
+    int iv_gen;                 /* It is OK to generate IVs */
+    int tls_aad_len;            /* TLS AAD length */
+} EVP_ARIA_GCM_CTX;
+
+/* ARIA CCM context */
+typedef struct {
+    union {
+        double align;
+        ARIA_KEY ks;
+    } ks;                       /* ARIA key schedule to use */
+    int key_set;                /* Set if key initialised */
+    int iv_set;                 /* Set if an iv is set */
+    int tag_set;                /* Set if tag is valid */
+    int len_set;                /* Set if message length set */
+    int L, M;                   /* L and M parameters from RFC3610 */
+    int tls_aad_len;            /* TLS AAD length */
+    CCM128_CONTEXT ccm;
+    ccm128_f str;
+} EVP_ARIA_CCM_CTX;
+
 /* The subkey for ARIA is generated. */
 static int aria_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
                             const unsigned char *iv, int enc)
@@ -150,4 +185,569 @@ BLOCK_CIPHER_generic(NID_aria, 128, 1, 16, ctr, ctr, CTR, 0)
 BLOCK_CIPHER_generic(NID_aria, 192, 1, 16, ctr, ctr, CTR, 0)
 BLOCK_CIPHER_generic(NID_aria, 256, 1, 16, ctr, ctr, CTR, 0)
 
+/* Authenticated cipher modes (GCM/CCM) */
+
+/* increment counter (64-bit int) by 1 */
+static void ctr64_inc(unsigned char *counter)
+{
+    int n = 8;
+    unsigned char c;
+
+    do {
+        --n;
+        c = counter[n];
+        ++c;
+        counter[n] = c;
+        if (c)
+            return;
+    } while (n);
+}
+
+static int aria_gcm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
+                                 const unsigned char *iv, int enc)
+{
+    int ret;
+    EVP_ARIA_GCM_CTX *gctx = EVP_C_DATA(EVP_ARIA_GCM_CTX,ctx);
+
+    if (!iv && !key)
+        return 1;
+    if (key) {
+        ret = aria_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
+                                   &gctx->ks.ks);
+        CRYPTO_gcm128_init(&gctx->gcm, &gctx->ks,
+                           (block128_f) aria_encrypt);
+        if (ret < 0) {
+            EVPerr(EVP_F_ARIA_GCM_INIT_KEY,EVP_R_ARIA_KEY_SETUP_FAILED);
+            return 0;
+        }
+
+        /*
+         * If we have an iv can set it directly, otherwise use saved IV.
+         */
+        if (iv == NULL && gctx->iv_set)
+            iv = gctx->iv;
+        if (iv) {
+            CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
+            gctx->iv_set = 1;
+        }
+        gctx->key_set = 1;
+    } else {
+        /* If key set use IV, otherwise copy */
+        if (gctx->key_set)
+            CRYPTO_gcm128_setiv(&gctx->gcm, iv, gctx->ivlen);
+        else
+            memcpy(gctx->iv, iv, gctx->ivlen);
+        gctx->iv_set = 1;
+        gctx->iv_gen = 0;
+    }
+    return 1;
+}
+
+static int aria_gcm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
+{
+    EVP_ARIA_GCM_CTX *gctx = EVP_C_DATA(EVP_ARIA_GCM_CTX,c);
+
+    switch (type) {
+    case EVP_CTRL_INIT:
+        gctx->key_set = 0;
+        gctx->iv_set = 0;
+        gctx->ivlen = EVP_CIPHER_CTX_iv_length(c);
+        gctx->iv = EVP_CIPHER_CTX_iv_noconst(c);
+        gctx->taglen = -1;
+        gctx->iv_gen = 0;
+        gctx->tls_aad_len = -1;
+        return 1;
+
+    case EVP_CTRL_AEAD_SET_IVLEN:
+        if (arg <= 0)
+            return 0;
+        /* Allocate memory for IV if needed */
+        if ((arg > EVP_MAX_IV_LENGTH) && (arg > gctx->ivlen)) {
+            if (gctx->iv != EVP_CIPHER_CTX_iv_noconst(c))
+                OPENSSL_free(gctx->iv);
+            gctx->iv = OPENSSL_malloc(arg);
+            if (gctx->iv == NULL)
+                return 0;
+        }
+        gctx->ivlen = arg;
+        return 1;
+
+    case EVP_CTRL_AEAD_SET_TAG:
+        if (arg <= 0 || arg > 16 || EVP_CIPHER_CTX_encrypting(c))
+            return 0;
+        memcpy(EVP_CIPHER_CTX_buf_noconst(c), ptr, arg);
+        gctx->taglen = arg;
+        return 1;
+
+    case EVP_CTRL_AEAD_GET_TAG:
+        if (arg <= 0 || arg > 16 || !EVP_CIPHER_CTX_encrypting(c)
+            || gctx->taglen < 0)
+            return 0;
+        memcpy(ptr, EVP_CIPHER_CTX_buf_noconst(c), arg);
+        return 1;
+
+    case EVP_CTRL_GCM_SET_IV_FIXED:
+        /* Special case: -1 length restores whole IV */
+        if (arg == -1) {
+            memcpy(gctx->iv, ptr, gctx->ivlen);
+            gctx->iv_gen = 1;
+            return 1;
+        }
+        /*
+         * Fixed field must be at least 4 bytes and invocation field at least
+         * 8.
+         */
+        if ((arg < 4) || (gctx->ivlen - arg) < 8)
+            return 0;
+        if (arg)
+            memcpy(gctx->iv, ptr, arg);
+        if (EVP_CIPHER_CTX_encrypting(c)
+            && RAND_bytes(gctx->iv + arg, gctx->ivlen - arg) <= 0)
+            return 0;
+        gctx->iv_gen = 1;
+        return 1;
+
+    case EVP_CTRL_GCM_IV_GEN:
+        if (gctx->iv_gen == 0 || gctx->key_set == 0)
+            return 0;
+        CRYPTO_gcm128_setiv(&gctx->gcm, gctx->iv, gctx->ivlen);
+        if (arg <= 0 || arg > gctx->ivlen)
+            arg = gctx->ivlen;
+        memcpy(ptr, gctx->iv + gctx->ivlen - arg, arg);
+        /*
+         * Invocation field will be at least 8 bytes in size and so no need
+         * to check wrap around or increment more than last 8 bytes.
+         */
+        ctr64_inc(gctx->iv + gctx->ivlen - 8);
+        gctx->iv_set = 1;
+        return 1;
+
+    case EVP_CTRL_GCM_SET_IV_INV:
+        if (gctx->iv_gen == 0 || gctx->key_set == 0
+            || EVP_CIPHER_CTX_encrypting(c))
+            return 0;
+        memcpy(gctx->iv + gctx->ivlen - arg, ptr, arg);
+        CRYPTO_gcm128_setiv(&gctx->gcm, gctx->iv, gctx->ivlen);
+        gctx->iv_set = 1;
+        return 1;
+
+    case EVP_CTRL_AEAD_TLS1_AAD:
+        /* Save the AAD for later use */
+        if (arg != EVP_AEAD_TLS1_AAD_LEN)
+            return 0;
+        memcpy(EVP_CIPHER_CTX_buf_noconst(c), ptr, arg);
+        gctx->tls_aad_len = arg;
+        {
+            unsigned int len =
+                EVP_CIPHER_CTX_buf_noconst(c)[arg - 2] << 8
+                | EVP_CIPHER_CTX_buf_noconst(c)[arg - 1];
+            /* Correct length for explicit IV */
+            if (len < EVP_GCM_TLS_EXPLICIT_IV_LEN)
+                return 0;
+            len -= EVP_GCM_TLS_EXPLICIT_IV_LEN;
+            /* If decrypting correct for tag too */
+            if (!EVP_CIPHER_CTX_encrypting(c)) {
+                if (len < EVP_GCM_TLS_TAG_LEN)
+                    return 0;
+                len -= EVP_GCM_TLS_TAG_LEN;
+            }
+            EVP_CIPHER_CTX_buf_noconst(c)[arg - 2] = len >> 8;
+            EVP_CIPHER_CTX_buf_noconst(c)[arg - 1] = len & 0xff;
+        }
+        /* Extra padding: tag appended to record */
+        return EVP_GCM_TLS_TAG_LEN;
+
+    case EVP_CTRL_COPY:
+        {
+            EVP_CIPHER_CTX *out = ptr;
+            EVP_ARIA_GCM_CTX *gctx_out = EVP_C_DATA(EVP_ARIA_GCM_CTX,out);
+            if (gctx->gcm.key) {
+                if (gctx->gcm.key != &gctx->ks)
+                    return 0;
+                gctx_out->gcm.key = &gctx_out->ks;
+            }
+            if (gctx->iv == EVP_CIPHER_CTX_iv_noconst(c))
+                gctx_out->iv = EVP_CIPHER_CTX_iv_noconst(out);
+            else {
+                gctx_out->iv = OPENSSL_malloc(gctx->ivlen);
+                if (gctx_out->iv == NULL)
+                    return 0;
+                memcpy(gctx_out->iv, gctx->iv, gctx->ivlen);
+            }
+            return 1;
+        }
+
+    default:
+        return -1;
+
+    }
+}
+
+static int aria_gcm_tls_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+                              const unsigned char *in, size_t len)
+{
+    EVP_ARIA_GCM_CTX *gctx = EVP_C_DATA(EVP_ARIA_GCM_CTX,ctx);
+    int rv = -1;
+
+    /* Encrypt/decrypt must be performed in place */
+    if (out != in
+        || len < (EVP_GCM_TLS_EXPLICIT_IV_LEN + EVP_GCM_TLS_TAG_LEN))
+        return -1;
+    /*
+     * Set IV from start of buffer or generate IV and write to start of
+     * buffer.
+     */
+    if (EVP_CIPHER_CTX_ctrl(ctx, EVP_CIPHER_CTX_encrypting(ctx) ?
+                            EVP_CTRL_GCM_IV_GEN : EVP_CTRL_GCM_SET_IV_INV,
+                            EVP_GCM_TLS_EXPLICIT_IV_LEN, out) <= 0)
+        goto err;
+    /* Use saved AAD */
+    if (CRYPTO_gcm128_aad(&gctx->gcm, EVP_CIPHER_CTX_buf_noconst(ctx),
+                          gctx->tls_aad_len))
+        goto err;
+    /* Fix buffer and length to point to payload */
+    in += EVP_GCM_TLS_EXPLICIT_IV_LEN;
+    out += EVP_GCM_TLS_EXPLICIT_IV_LEN;
+    len -= EVP_GCM_TLS_EXPLICIT_IV_LEN + EVP_GCM_TLS_TAG_LEN;
+    if (EVP_CIPHER_CTX_encrypting(ctx)) {
+        /* Encrypt payload */
+        if (CRYPTO_gcm128_encrypt(&gctx->gcm, in, out, len))
+            goto err;
+        out += len;
+        /* Finally write tag */
+        CRYPTO_gcm128_tag(&gctx->gcm, out, EVP_GCM_TLS_TAG_LEN);
+        rv = len + EVP_GCM_TLS_EXPLICIT_IV_LEN + EVP_GCM_TLS_TAG_LEN;
+    } else {
+        /* Decrypt */
+        if (CRYPTO_gcm128_decrypt(&gctx->gcm, in, out, len))
+            goto err;
+        /* Retrieve tag */
+        CRYPTO_gcm128_tag(&gctx->gcm, EVP_CIPHER_CTX_buf_noconst(ctx),
+                          EVP_GCM_TLS_TAG_LEN);
+        /* If tag mismatch wipe buffer */
+        if (CRYPTO_memcmp(EVP_CIPHER_CTX_buf_noconst(ctx), in + len,
+                          EVP_GCM_TLS_TAG_LEN)) {
+            OPENSSL_cleanse(out, len);
+            goto err;
+        }
+        rv = len;
+    }
+
+ err:
+    gctx->iv_set = 0;
+    gctx->tls_aad_len = -1;
+    return rv;
+}
+
+static int aria_gcm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+                          const unsigned char *in, size_t len)
+{
+    EVP_ARIA_GCM_CTX *gctx = EVP_C_DATA(EVP_ARIA_GCM_CTX,ctx);
+
+    /* If not set up, return error */
+    if (!gctx->key_set)
+        return -1;
+
+    if (gctx->tls_aad_len >= 0)
+        return aria_gcm_tls_cipher(ctx, out, in, len);
+
+    if (!gctx->iv_set)
+        return -1;
+    if (in) {
+        if (out == NULL) {
+            if (CRYPTO_gcm128_aad(&gctx->gcm, in, len))
+                return -1;
+        } else if (EVP_CIPHER_CTX_encrypting(ctx)) {
+            if (CRYPTO_gcm128_encrypt(&gctx->gcm, in, out, len))
+                return -1;
+        } else {
+            if (CRYPTO_gcm128_decrypt(&gctx->gcm, in, out, len))
+                return -1;
+        }
+        return len;
+    }
+    if (!EVP_CIPHER_CTX_encrypting(ctx)) {
+        if (gctx->taglen < 0)
+            return -1;
+        if (CRYPTO_gcm128_finish(&gctx->gcm,
+                                 EVP_CIPHER_CTX_buf_noconst(ctx),
+                                 gctx->taglen) != 0)
+            return -1;
+        gctx->iv_set = 0;
+        return 0;
+    }
+    CRYPTO_gcm128_tag(&gctx->gcm, EVP_CIPHER_CTX_buf_noconst(ctx), 16);
+    gctx->taglen = 16;
+    /* Don't reuse the IV */
+    gctx->iv_set = 0;
+    return 0;
+}
+
+static int aria_ccm_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
+                            const unsigned char *iv, int enc)
+{
+    int ret;
+    EVP_ARIA_CCM_CTX *cctx = EVP_C_DATA(EVP_ARIA_CCM_CTX,ctx);
+
+    if (!iv && !key)
+        return 1;
+
+    if (key) {
+        ret = aria_set_encrypt_key(key, EVP_CIPHER_CTX_key_length(ctx) * 8,
+                                   &cctx->ks.ks);
+        CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
+                           &cctx->ks, (block128_f) aria_encrypt);
+        if (ret < 0) {
+            EVPerr(EVP_F_ARIA_CCM_INIT_KEY,EVP_R_ARIA_KEY_SETUP_FAILED);
+            return 0;
+        }
+        cctx->str = NULL;
+        cctx->key_set = 1;
+    }
+    if (iv) {
+        memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), iv, 15 - cctx->L);
+        cctx->iv_set = 1;
+    }
+    return 1;
+}
+
+static int aria_ccm_ctrl(EVP_CIPHER_CTX *c, int type, int arg, void *ptr)
+{
+    EVP_ARIA_CCM_CTX *cctx = EVP_C_DATA(EVP_ARIA_CCM_CTX,c);
+
+    switch (type) {
+    case EVP_CTRL_INIT:
+        cctx->key_set = 0;
+        cctx->iv_set = 0;
+        cctx->L = 8;
+        cctx->M = 12;
+        cctx->tag_set = 0;
+        cctx->len_set = 0;
+        cctx->tls_aad_len = -1;
+        return 1;
+
+    case EVP_CTRL_AEAD_TLS1_AAD:
+        /* Save the AAD for later use */
+        if (arg != EVP_AEAD_TLS1_AAD_LEN)
+            return 0;
+        memcpy(EVP_CIPHER_CTX_buf_noconst(c), ptr, arg);
+        cctx->tls_aad_len = arg;
+        {
+            uint16_t len =
+                EVP_CIPHER_CTX_buf_noconst(c)[arg - 2] << 8
+                | EVP_CIPHER_CTX_buf_noconst(c)[arg - 1];
+            /* Correct length for explicit IV */
+            if (len < EVP_CCM_TLS_EXPLICIT_IV_LEN)
+                return 0;
+            len -= EVP_CCM_TLS_EXPLICIT_IV_LEN;
+            /* If decrypting correct for tag too */
+            if (!EVP_CIPHER_CTX_encrypting(c)) {
+                if (len < cctx->M)
+                    return 0;
+                len -= cctx->M;
+            }
+            EVP_CIPHER_CTX_buf_noconst(c)[arg - 2] = len >> 8;
+            EVP_CIPHER_CTX_buf_noconst(c)[arg - 1] = len & 0xff;
+        }
+        /* Extra padding: tag appended to record */
+        return cctx->M;
+
+    case EVP_CTRL_CCM_SET_IV_FIXED:
+        /* Sanity check length */
+        if (arg != EVP_CCM_TLS_FIXED_IV_LEN)
+            return 0;
+        /* Just copy to first part of IV */
+        memcpy(EVP_CIPHER_CTX_iv_noconst(c), ptr, arg);
+        return 1;
+
+    case EVP_CTRL_AEAD_SET_IVLEN:
+        arg = 15 - arg;
+        /* fall thru */
+    case EVP_CTRL_CCM_SET_L:
+        if (arg < 2 || arg > 8)
+            return 0;
+        cctx->L = arg;
+        return 1;
+    case EVP_CTRL_AEAD_SET_TAG:
+        if ((arg & 1) || arg < 4 || arg > 16)
+            return 0;
+        if (EVP_CIPHER_CTX_encrypting(c) && ptr)
+            return 0;
+        if (ptr) {
+            cctx->tag_set = 1;
+            memcpy(EVP_CIPHER_CTX_buf_noconst(c), ptr, arg);
+        }
+        cctx->M = arg;
+        return 1;
+
+    case EVP_CTRL_AEAD_GET_TAG:
+        if (!EVP_CIPHER_CTX_encrypting(c) || !cctx->tag_set)
+            return 0;
+        if (!CRYPTO_ccm128_tag(&cctx->ccm, ptr, (size_t)arg))
+            return 0;
+        cctx->tag_set = 0;
+        cctx->iv_set = 0;
+        cctx->len_set = 0;
+        return 1;
+
+    case EVP_CTRL_COPY:
+        {
+            EVP_CIPHER_CTX *out = ptr;
+            EVP_ARIA_CCM_CTX *cctx_out = EVP_C_DATA(EVP_ARIA_CCM_CTX,out);
+            if (cctx->ccm.key) {
+                if (cctx->ccm.key != &cctx->ks)
+                    return 0;
+                cctx_out->ccm.key = &cctx_out->ks;
+            }
+            return 1;
+        }
+
+    default:
+        return -1;
+    }
+}
+
+static int aria_ccm_tls_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+                              const unsigned char *in, size_t len)
+{
+    EVP_ARIA_CCM_CTX *cctx = EVP_C_DATA(EVP_ARIA_CCM_CTX,ctx);
+    CCM128_CONTEXT *ccm = &cctx->ccm;
+
+    /* Encrypt/decrypt must be performed in place */
+    if (out != in || len < (EVP_CCM_TLS_EXPLICIT_IV_LEN + (size_t)cctx->M))
+        return -1;
+    /* If encrypting set explicit IV from sequence number (start of AAD) */
+    if (EVP_CIPHER_CTX_encrypting(ctx))
+        memcpy(out, EVP_CIPHER_CTX_buf_noconst(ctx),
+               EVP_CCM_TLS_EXPLICIT_IV_LEN);
+    /* Get rest of IV from explicit IV */
+    memcpy(EVP_CIPHER_CTX_iv_noconst(ctx) + EVP_CCM_TLS_FIXED_IV_LEN, in,
+           EVP_CCM_TLS_EXPLICIT_IV_LEN);
+    /* Correct length value */
+    len -= EVP_CCM_TLS_EXPLICIT_IV_LEN + cctx->M;
+    if (CRYPTO_ccm128_setiv(ccm, EVP_CIPHER_CTX_iv_noconst(ctx), 15 - cctx->L,
+                            len))
+            return -1;
+    /* Use saved AAD */
+    CRYPTO_ccm128_aad(ccm, EVP_CIPHER_CTX_buf_noconst(ctx), cctx->tls_aad_len);
+    /* Fix buffer to point to payload */
+    in += EVP_CCM_TLS_EXPLICIT_IV_LEN;
+    out += EVP_CCM_TLS_EXPLICIT_IV_LEN;
+    if (EVP_CIPHER_CTX_encrypting(ctx)) {
+        if (cctx->str ? CRYPTO_ccm128_encrypt_ccm64(ccm, in, out, len, cctx->str)
+                      : CRYPTO_ccm128_encrypt(ccm, in, out, len))
+            return -1;
+        if (!CRYPTO_ccm128_tag(ccm, out + len, cctx->M))
+            return -1;
+        return len + EVP_CCM_TLS_EXPLICIT_IV_LEN + cctx->M;
+    } else {
+        if (cctx->str ? !CRYPTO_ccm128_decrypt_ccm64(ccm, in, out, len, cctx->str)
+                      : !CRYPTO_ccm128_decrypt(ccm, in, out, len)) {
+            unsigned char tag[16];
+            if (CRYPTO_ccm128_tag(ccm, tag, cctx->M)) {
+                if (!CRYPTO_memcmp(tag, in + len, cctx->M))
+                    return len;
+            }
+        }
+        OPENSSL_cleanse(out, len);
+        return -1;
+    }
+}
+
+static int aria_ccm_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
+                          const unsigned char *in, size_t len)
+{
+    EVP_ARIA_CCM_CTX *cctx = EVP_C_DATA(EVP_ARIA_CCM_CTX,ctx);
+    CCM128_CONTEXT *ccm = &cctx->ccm;
+
+    /* If not set up, return error */
+    if (!cctx->key_set)
+        return -1;
+
+    if (cctx->tls_aad_len >= 0)
+        return aria_ccm_tls_cipher(ctx, out, in, len);
+
+    /* EVP_*Final() doesn't return any data */
+    if (in == NULL && out != NULL)
+        return 0;
+
+    if (!cctx->iv_set)
+        return -1;
+
+    if (!EVP_CIPHER_CTX_encrypting(ctx) && !cctx->tag_set)
+        return -1;
+    if (!out) {
+        if (!in) {
+            if (CRYPTO_ccm128_setiv(ccm, EVP_CIPHER_CTX_iv_noconst(ctx),
+                                    15 - cctx->L, len))
+                return -1;
+            cctx->len_set = 1;
+            return len;
+        }
+        /* If have AAD need message length */
+        if (!cctx->len_set && len)
+            return -1;
+        CRYPTO_ccm128_aad(ccm, in, len);
+        return len;
+    }
+    /* If not set length yet do it */
+    if (!cctx->len_set) {
+        if (CRYPTO_ccm128_setiv(ccm, EVP_CIPHER_CTX_iv_noconst(ctx),
+                                15 - cctx->L, len))
+            return -1;
+        cctx->len_set = 1;
+    }
+    if (EVP_CIPHER_CTX_encrypting(ctx)) {
+        if (cctx->str ? CRYPTO_ccm128_encrypt_ccm64(ccm, in, out, len, cctx->str)
+                      : CRYPTO_ccm128_encrypt(ccm, in, out, len))
+            return -1;
+        cctx->tag_set = 1;
+        return len;
+    } else {
+        int rv = -1;
+        if (cctx->str ? !CRYPTO_ccm128_decrypt_ccm64(ccm, in, out, len,
+                                                     cctx->str) :
+            !CRYPTO_ccm128_decrypt(ccm, in, out, len)) {
+            unsigned char tag[16];
+            if (CRYPTO_ccm128_tag(ccm, tag, cctx->M)) {
+                if (!CRYPTO_memcmp(tag, EVP_CIPHER_CTX_buf_noconst(ctx),
+                                   cctx->M))
+                    rv = len;
+            }
+        }
+        if (rv == -1)
+            OPENSSL_cleanse(out, len);
+        cctx->iv_set = 0;
+        cctx->tag_set = 0;
+        cctx->len_set = 0;
+        return rv;
+    }
+}
+
+#define ARIA_AUTH_FLAGS  (EVP_CIPH_FLAG_DEFAULT_ASN1 \
+                          | EVP_CIPH_CUSTOM_IV | EVP_CIPH_FLAG_CUSTOM_CIPHER \
+                          | EVP_CIPH_ALWAYS_CALL_INIT | EVP_CIPH_CTRL_INIT \
+                          | EVP_CIPH_CUSTOM_COPY | EVP_CIPH_FLAG_AEAD_CIPHER)
+
+#define BLOCK_CIPHER_aead(nid,keylen,blocksize,ivlen,nmode,mode,MODE,flags) \
+static const EVP_CIPHER aria_##keylen##_##mode = { \
+        nid##_##keylen##_##nmode,                  \
+        blocksize, keylen/8, ivlen,                \
+        ARIA_AUTH_FLAGS|EVP_CIPH_##MODE##_MODE,    \
+        aria_##mode##_init_key,                    \
+        aria_##mode##_cipher,                      \
+        NULL,                                      \
+        sizeof(EVP_ARIA_##MODE##_CTX),             \
+        NULL,NULL,aria_##mode##_ctrl,NULL };       \
+const EVP_CIPHER *EVP_aria_##keylen##_##mode(void) \
+{ return (EVP_CIPHER*)&aria_##keylen##_##mode; }
+
+BLOCK_CIPHER_aead(NID_aria, 128, 1, 12, gcm, gcm, GCM, 0)
+BLOCK_CIPHER_aead(NID_aria, 192, 1, 12, gcm, gcm, GCM, 0)
+BLOCK_CIPHER_aead(NID_aria, 256, 1, 12, gcm, gcm, GCM, 0)
+
+BLOCK_CIPHER_aead(NID_aria, 128, 1, 12, ccm, ccm, CCM, 0)
+BLOCK_CIPHER_aead(NID_aria, 192, 1, 12, ccm, ccm, CCM, 0)
+BLOCK_CIPHER_aead(NID_aria, 256, 1, 12, ccm, ccm, CCM, 0)
+
 #endif