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-rw-r--r--src/lib/libcrypto/evp/e_aes_cbc_hmac_sha1.c5
-rw-r--r--src/lib/libcrypto/evp/encode.c13
-rw-r--r--src/lib/libcrypto/evp/evp_enc.c4
3 files changed, 7 insertions, 15 deletions
diff --git a/src/lib/libcrypto/evp/e_aes_cbc_hmac_sha1.c b/src/lib/libcrypto/evp/e_aes_cbc_hmac_sha1.c
index 8d33896e1c..42aa20701b 100644
--- a/src/lib/libcrypto/evp/e_aes_cbc_hmac_sha1.c
+++ b/src/lib/libcrypto/evp/e_aes_cbc_hmac_sha1.c
@@ -1,4 +1,4 @@
1/* $OpenBSD: e_aes_cbc_hmac_sha1.c,v 1.10 2016/05/03 12:38:53 tedu Exp $ */ 1/* $OpenBSD: e_aes_cbc_hmac_sha1.c,v 1.11 2016/05/04 14:53:29 tedu Exp $ */
2/* ==================================================================== 2/* ====================================================================
3 * Copyright (c) 2011-2013 The OpenSSL Project. All rights reserved. 3 * Copyright (c) 2011-2013 The OpenSSL Project. All rights reserved.
4 * 4 *
@@ -60,7 +60,6 @@
60#include <openssl/aes.h> 60#include <openssl/aes.h>
61#include <openssl/sha.h> 61#include <openssl/sha.h>
62#include "evp_locl.h" 62#include "evp_locl.h"
63#include "constant_time_locl.h"
64 63
65#ifndef EVP_CIPH_FLAG_AEAD_CIPHER 64#ifndef EVP_CIPH_FLAG_AEAD_CIPHER
66#define EVP_CIPH_FLAG_AEAD_CIPHER 0x200000 65#define EVP_CIPH_FLAG_AEAD_CIPHER 0x200000
@@ -283,8 +282,6 @@ aesni_cbc_hmac_sha1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
283 maxpad |= (255 - maxpad) >> (sizeof(maxpad) * 8 - 8); 282 maxpad |= (255 - maxpad) >> (sizeof(maxpad) * 8 - 8);
284 maxpad &= 255; 283 maxpad &= 255;
285 284
286 ret &= constant_time_ge(maxpad, pad);
287
288 inp_len = len - (SHA_DIGEST_LENGTH + pad + 1); 285 inp_len = len - (SHA_DIGEST_LENGTH + pad + 1);
289 mask = (0 - ((inp_len - len) >> 286 mask = (0 - ((inp_len - len) >>
290 (sizeof(inp_len) * 8 - 1))); 287 (sizeof(inp_len) * 8 - 1)));
diff --git a/src/lib/libcrypto/evp/encode.c b/src/lib/libcrypto/evp/encode.c
index e4104173d4..637870cef6 100644
--- a/src/lib/libcrypto/evp/encode.c
+++ b/src/lib/libcrypto/evp/encode.c
@@ -1,4 +1,4 @@
1/* $OpenBSD: encode.c,v 1.22 2016/05/03 14:05:41 bcook Exp $ */ 1/* $OpenBSD: encode.c,v 1.23 2016/05/04 14:53:29 tedu Exp $ */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved. 3 * All rights reserved.
4 * 4 *
@@ -125,13 +125,13 @@ EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl,
125 const unsigned char *in, int inl) 125 const unsigned char *in, int inl)
126{ 126{
127 int i, j; 127 int i, j;
128 size_t total = 0; 128 unsigned int total = 0;
129 129
130 *outl = 0; 130 *outl = 0;
131 if (inl == 0) 131 if (inl == 0)
132 return; 132 return;
133 OPENSSL_assert(ctx->length <= (int)sizeof(ctx->enc_data)); 133 OPENSSL_assert(ctx->length <= (int)sizeof(ctx->enc_data));
134 if (ctx->length - ctx->num > inl) { 134 if ((ctx->num + inl) < ctx->length) {
135 memcpy(&(ctx->enc_data[ctx->num]), in, inl); 135 memcpy(&(ctx->enc_data[ctx->num]), in, inl);
136 ctx->num += inl; 136 ctx->num += inl;
137 return; 137 return;
@@ -148,7 +148,7 @@ EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl,
148 *out = '\0'; 148 *out = '\0';
149 total = j + 1; 149 total = j + 1;
150 } 150 }
151 while (inl >= ctx->length && total <= INT_MAX) { 151 while (inl >= ctx->length) {
152 j = EVP_EncodeBlock(out, in, ctx->length); 152 j = EVP_EncodeBlock(out, in, ctx->length);
153 in += ctx->length; 153 in += ctx->length;
154 inl -= ctx->length; 154 inl -= ctx->length;
@@ -157,11 +157,6 @@ EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl,
157 *out = '\0'; 157 *out = '\0';
158 total += j + 1; 158 total += j + 1;
159 } 159 }
160 if (total > INT_MAX) {
161 /* Too much output data! */
162 *outl = 0;
163 return;
164 }
165 if (inl != 0) 160 if (inl != 0)
166 memcpy(&(ctx->enc_data[0]), in, inl); 161 memcpy(&(ctx->enc_data[0]), in, inl);
167 ctx->num = inl; 162 ctx->num = inl;
diff --git a/src/lib/libcrypto/evp/evp_enc.c b/src/lib/libcrypto/evp/evp_enc.c
index 30941ed83d..a4e369f622 100644
--- a/src/lib/libcrypto/evp/evp_enc.c
+++ b/src/lib/libcrypto/evp/evp_enc.c
@@ -1,4 +1,4 @@
1/* $OpenBSD: evp_enc.c,v 1.28 2016/05/03 12:38:53 tedu Exp $ */ 1/* $OpenBSD: evp_enc.c,v 1.29 2016/05/04 14:53:29 tedu Exp $ */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved. 3 * All rights reserved.
4 * 4 *
@@ -334,7 +334,7 @@ EVP_EncryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl,
334 return 0; 334 return 0;
335 } 335 }
336 if (i != 0) { 336 if (i != 0) {
337 if (bl - i > inl) { 337 if (i + inl < bl) {
338 memcpy(&(ctx->buf[i]), in, inl); 338 memcpy(&(ctx->buf[i]), in, inl);
339 ctx->buf_len += inl; 339 ctx->buf_len += inl;
340 *outl = 0; 340 *outl = 0;