Latest update
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+55
-4
@@ -1,8 +1,59 @@
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LIBS=../../libcrypto
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SOURCE[../../libcrypto]=\
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cbc128.c ctr128.c cts128.c cfb128.c ofb128.c gcm128.c \
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ccm128.c xts128.c wrap128.c ocb128.c siv128.c \
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{- $target{modes_asm_src} -}
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$MODESASM=
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IF[{- !$disabled{asm} -}]
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$MODESASM_x86=ghash-x86.s
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$MODESDEF_x86=GHASH_ASM
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$MODESASM_x86_64=ghash-x86_64.s aesni-gcm-x86_64.s
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$MODESDEF_x86_64=GHASH_ASM
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# ghash-ia64.s doesn't work on VMS
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IF[{- $config{target} !~ /^vms-/ -}]
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$MODESASM_ia64=ghash-ia64.s
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$MODESDEF_ia64=GHASH_ASM
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ENDIF
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$MODESASM_sparcv9=ghash-sparcv9.S
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$MODESDEF_sparcv9=GHASH_ASM
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$MODESASM_alpha=ghash-alpha.S
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$MODESDEF_alpha=GHASH_ASM
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$MODESASM_s390x=ghash-s390x.S
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$MODESDEF_s390x=GHASH_ASM
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$MODESASM_armv4=ghash-armv4.S ghashv8-armx.S
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$MODESDEF_armv4=GHASH_ASM
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$MODESASM_aarch64=ghashv8-armx.S
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$MODESDEF_aarch64=
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$MODESASM_parisc11=ghash-parisc.s
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$MODESDEF_parisc11=GHASH_ASM
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$MODESASM_parisc20_64=$MODESASM_parisc11
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$MODESDEF_parisc20_64=$MODESDEF_parisc11
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$MODESASM_ppc32=ghashp8-ppc.s
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$MODESDEF_ppc32=
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$MODESASM_ppc64=$MODESASM_ppc32
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$MODESDEF_ppc64=$MODESDEF_ppc32
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$MODESASM_c64xplus=ghash-c64xplus.s
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$MODESDEF_c64xplus=GHASH_ASM
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# Now that we have defined all the arch specific variables, use the
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# appropriate one, and define the appropriate macros
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IF[$MODESASM_{- $target{asm_arch} -}]
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$MODESASM=$MODESASM_{- $target{asm_arch} -}
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$MODESDEF=$MODESDEF_{- $target{asm_arch} -}
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ENDIF
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ENDIF
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$COMMON=cbc128.c ctr128.c cfb128.c ofb128.c $MODESASM
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SOURCE[../../libcrypto]=$COMMON \
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cts128.c gcm128.c ccm128.c xts128.c wrap128.c ocb128.c siv128.c
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DEFINE[../../libcrypto]=$MODESDEF
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SOURCE[../../providers/fips]=$COMMON
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DEFINE[../../providers/fips]=$MODESDEF
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INCLUDE[gcm128.o]=..
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@@ -213,7 +213,6 @@ struct siv128_context {
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SIV_BLOCK tag;
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EVP_CIPHER_CTX *cipher_ctx;
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EVP_MAC_CTX *mac_ctx_init;
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EVP_MAC_CTX *mac_ctx;
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int final_ret;
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int crypto_ok;
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};
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+37
-25
@@ -10,6 +10,7 @@
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#include <string.h>
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#include <stdlib.h>
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#include <openssl/crypto.h>
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#include "internal/modes_int.h"
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#include "modes_lcl.h"
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#ifndef OPENSSL_NO_SIV
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@@ -92,30 +93,38 @@ __owur static ossl_inline int siv128_do_s2v_p(SIV128_CONTEXT *ctx, SIV_BLOCK *ou
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{
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SIV_BLOCK t;
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size_t out_len = sizeof(out->byte);
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EVP_MAC_CTX *mac_ctx;
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int ret = 0;
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if (!EVP_MAC_CTX_copy(ctx->mac_ctx, ctx->mac_ctx_init))
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mac_ctx = EVP_MAC_CTX_dup(ctx->mac_ctx_init);
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if (mac_ctx == NULL)
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return 0;
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if (len >= SIV_LEN) {
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if (!EVP_MAC_update(ctx->mac_ctx, in, len - SIV_LEN))
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return 0;
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if (!EVP_MAC_update(mac_ctx, in, len - SIV_LEN))
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goto err;
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memcpy(&t, in + (len-SIV_LEN), SIV_LEN);
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siv128_xorblock(&t, &ctx->d);
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if (!EVP_MAC_update(ctx->mac_ctx, t.byte, SIV_LEN))
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return 0;
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if (!EVP_MAC_update(mac_ctx, t.byte, SIV_LEN))
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goto err;
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} else {
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memset(&t, 0, sizeof(t));
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memcpy(&t, in, len);
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t.byte[len] = 0x80;
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siv128_dbl(&ctx->d);
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siv128_xorblock(&t, &ctx->d);
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if (!EVP_MAC_update(ctx->mac_ctx, t.byte, SIV_LEN))
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return 0;
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if (!EVP_MAC_update(mac_ctx, t.byte, SIV_LEN))
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goto err;
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}
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if (!EVP_MAC_final(ctx->mac_ctx, out->byte, &out_len)
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if (!EVP_MAC_final(mac_ctx, out->byte, &out_len)
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|| out_len != SIV_LEN)
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return 0;
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return 1;
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goto err;
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ret = 1;
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err:
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EVP_MAC_CTX_free(mac_ctx);
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return ret;
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}
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@@ -156,27 +165,27 @@ int CRYPTO_siv128_init(SIV128_CONTEXT *ctx, const unsigned char *key, int klen,
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{
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static const unsigned char zero[SIV_LEN] = { 0 };
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size_t out_len = SIV_LEN;
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EVP_MAC_CTX *mac_ctx = NULL;
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memset(&ctx->d, 0, sizeof(ctx->d));
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ctx->cipher_ctx = NULL;
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ctx->mac_ctx = NULL;
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ctx->mac_ctx_init = NULL;
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if (key == NULL || cbc == NULL || ctr == NULL
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|| (ctx->cipher_ctx = EVP_CIPHER_CTX_new()) == NULL
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|| (ctx->mac_ctx_init = EVP_MAC_CTX_new_id(EVP_MAC_CMAC)) == NULL
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|| (ctx->mac_ctx = EVP_MAC_CTX_new_id(EVP_MAC_CMAC)) == NULL
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|| EVP_MAC_ctrl(ctx->mac_ctx_init, EVP_MAC_CTRL_SET_CIPHER, cbc) <= 0
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|| EVP_MAC_ctrl(ctx->mac_ctx_init, EVP_MAC_CTRL_SET_KEY, key, klen) <= 0
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|| !EVP_EncryptInit_ex(ctx->cipher_ctx, ctr, NULL, key + klen, NULL)
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|| !EVP_MAC_CTX_copy(ctx->mac_ctx, ctx->mac_ctx_init)
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|| !EVP_MAC_update(ctx->mac_ctx, zero, sizeof(zero))
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|| !EVP_MAC_final(ctx->mac_ctx, ctx->d.byte, &out_len)) {
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|| (mac_ctx = EVP_MAC_CTX_dup(ctx->mac_ctx_init)) == NULL
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|| !EVP_MAC_update(mac_ctx, zero, sizeof(zero))
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|| !EVP_MAC_final(mac_ctx, ctx->d.byte, &out_len)) {
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EVP_CIPHER_CTX_free(ctx->cipher_ctx);
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EVP_MAC_CTX_free(ctx->mac_ctx_init);
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EVP_MAC_CTX_free(ctx->mac_ctx);
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EVP_MAC_CTX_free(mac_ctx);
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return 0;
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}
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EVP_MAC_CTX_free(mac_ctx);
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ctx->final_ret = -1;
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ctx->crypto_ok = 1;
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@@ -192,9 +201,10 @@ int CRYPTO_siv128_copy_ctx(SIV128_CONTEXT *dest, SIV128_CONTEXT *src)
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memcpy(&dest->d, &src->d, sizeof(src->d));
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if (!EVP_CIPHER_CTX_copy(dest->cipher_ctx, src->cipher_ctx))
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return 0;
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if (!EVP_MAC_CTX_copy(dest->mac_ctx_init, src->mac_ctx_init))
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EVP_MAC_CTX_free(dest->mac_ctx_init);
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dest->mac_ctx_init = EVP_MAC_CTX_dup(src->mac_ctx_init);
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if (dest->mac_ctx_init == NULL)
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return 0;
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/* no need to copy mac_ctx since it's temp storage */
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return 1;
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}
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@@ -208,19 +218,23 @@ int CRYPTO_siv128_aad(SIV128_CONTEXT *ctx, const unsigned char *aad,
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{
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SIV_BLOCK mac_out;
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size_t out_len = SIV_LEN;
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EVP_MAC_CTX *mac_ctx;
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siv128_dbl(&ctx->d);
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if (!EVP_MAC_CTX_copy(ctx->mac_ctx, ctx->mac_ctx_init)
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|| !EVP_MAC_update(ctx->mac_ctx, aad, len)
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|| !EVP_MAC_final(ctx->mac_ctx, mac_out.byte, &out_len)
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|| out_len != SIV_LEN)
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mac_ctx = EVP_MAC_CTX_dup(ctx->mac_ctx_init);
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if (mac_ctx == NULL
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|| !EVP_MAC_update(mac_ctx, aad, len)
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|| !EVP_MAC_final(mac_ctx, mac_out.byte, &out_len)
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|| out_len != SIV_LEN) {
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EVP_MAC_CTX_free(mac_ctx);
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return 0;
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}
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EVP_MAC_CTX_free(mac_ctx);
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siv128_xorblock(&ctx->d, &mac_out);
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return 1;
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}
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/*
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@@ -330,8 +344,6 @@ int CRYPTO_siv128_cleanup(SIV128_CONTEXT *ctx)
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ctx->cipher_ctx = NULL;
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EVP_MAC_CTX_free(ctx->mac_ctx_init);
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ctx->mac_ctx_init = NULL;
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EVP_MAC_CTX_free(ctx->mac_ctx);
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ctx->mac_ctx = NULL;
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OPENSSL_cleanse(&ctx->d, sizeof(ctx->d));
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OPENSSL_cleanse(&ctx->tag, sizeof(ctx->tag));
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ctx->final_ret = -1;
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