crypto/evp/e_aes.c

371     EVP_AES_CCM_CTX *cctx = ctx->cipher_data;
375         aesni_set_encrypt_key(key, ctx->key_len * 8, &cctx->ks);
376         CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
377                            &cctx->ks, (block128_f) aesni_encrypt);
378         cctx->str = enc ? (ccm128_f) aesni_ccm64_encrypt_blocks :
380         cctx->key_set = 1;
383         memcpy(ctx->iv, iv, 15 - cctx->L);
384         cctx->iv_set = 1;
1127     EVP_AES_CCM_CTX *cctx = c->cipher_data;
1130         cctx->key_set = 0;
1131         cctx->iv_set = 0;
1132         cctx->L = 8;
1133         cctx->M = 12;
1134         cctx->tag_set = 0;
1135         cctx->len_set = 0;
1143         cctx->L = arg;
1152             cctx->tag_set = 1;
1155         cctx->M = arg;
1159         if (!c->encrypt || !cctx->tag_set)
1161         if (!CRYPTO_ccm128_tag(&cctx->ccm, ptr, (size_t)arg))
1163         cctx->tag_set = 0;
1164         cctx->iv_set = 0;
1165         cctx->len_set = 0;
1172             if (cctx->ccm.key) {
1173                 if (cctx->ccm.key != &cctx->ks)
1189     EVP_AES_CCM_CTX *cctx = ctx->cipher_data;
1196                 vpaes_set_encrypt_key(key, ctx->key_len * 8, &cctx->ks);
1197                 CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
1198                                    &cctx->ks, (block128_f) vpaes_encrypt);
1199                 cctx->str = NULL;
1200                 cctx->key_set = 1;
1204             AES_set_encrypt_key(key, ctx->key_len * 8, &cctx->ks);
1205             CRYPTO_ccm128_init(&cctx->ccm, cctx->M, cctx->L,
1206                                &cctx->ks, (block128_f) AES_encrypt);
1207             cctx->str = NULL;
1208             cctx->key_set = 1;
1211         memcpy(ctx->iv, iv, 15 - cctx->L);
1212         cctx->iv_set = 1;
1220     EVP_AES_CCM_CTX *cctx = ctx->cipher_data;
1221     CCM128_CONTEXT *ccm = &cctx->ccm;
1223     if (!cctx->iv_set && !cctx->key_set)
1225     if (!ctx->encrypt && !cctx->tag_set)
1229             if (CRYPTO_ccm128_setiv(ccm, ctx->iv, 15 - cctx->L, len))
1231             cctx->len_set = 1;
1235         if (!cctx->len_set && len)
1244     if (!cctx->len_set) {
1245         if (CRYPTO_ccm128_setiv(ccm, ctx->iv, 15 - cctx->L, len))
1247         cctx->len_set = 1;
1250         if (cctx->str ? CRYPTO_ccm128_encrypt_ccm64(ccm, in, out, len,
1251                                                     cctx->str) :
1254         cctx->tag_set = 1;
1258         if (cctx->str ? !CRYPTO_ccm128_decrypt_ccm64(ccm, in, out, len,
1259                                                      cctx->str) :
1262             if (CRYPTO_ccm128_tag(ccm, tag, cctx->M)) {
1263                 if (!CRYPTO_memcmp(tag, ctx->buf, cctx->M))
1269         cctx->iv_set = 0;
1270         cctx->tag_set = 0;
1271         cctx->len_set = 0;