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-rw-r--r--lib/libcrypto/evp/e_bf.c40
-rw-r--r--lib/libcrypto/evp/e_cast.c40
-rw-r--r--lib/libcrypto/evp/e_des.c63
-rw-r--r--lib/libcrypto/evp/e_des3.c67
-rw-r--r--lib/libcrypto/evp/e_idea.c43
-rw-r--r--lib/libcrypto/evp/e_rc2.c36
6 files changed, 120 insertions, 169 deletions
diff --git a/lib/libcrypto/evp/e_bf.c b/lib/libcrypto/evp/e_bf.c
index f97f9ed1e42..4632b523e2e 100644
--- a/lib/libcrypto/evp/e_bf.c
+++ b/lib/libcrypto/evp/e_bf.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: e_bf.c,v 1.13 2022/09/10 17:39:47 jsing Exp $ */
+/* $OpenBSD: e_bf.c,v 1.14 2022/09/15 07:04:19 jsing Exp $ */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
@@ -86,14 +86,13 @@ bf_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
static int
bf_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl)
{
- if (inl > LONG_MAX)
- return 0;
-
- while (inl >= EVP_MAXCHUNK) {
- BF_cbc_encrypt(in, out, (long)EVP_MAXCHUNK, &((EVP_BF_KEY *)ctx->cipher_data)->ks, ctx->iv, ctx->encrypt);
- inl -= EVP_MAXCHUNK;
- in += EVP_MAXCHUNK;
- out += EVP_MAXCHUNK;
+ size_t chunk = LONG_MAX & ~0xff;
+
+ while (inl >= chunk) {
+ BF_cbc_encrypt(in, out, (long)chunk, &((EVP_BF_KEY *)ctx->cipher_data)->ks, ctx->iv, ctx->encrypt);
+ inl -= chunk;
+ in += chunk;
+ out += chunk;
}
if (inl)
@@ -105,10 +104,7 @@ bf_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in,
static int
bf_cfb64_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl)
{
- size_t chunk = EVP_MAXCHUNK;
-
- if (inl > LONG_MAX)
- return 0;
+ size_t chunk = LONG_MAX & ~0xff;
if (inl < chunk)
chunk = inl;
@@ -130,9 +126,6 @@ bf_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in,
{
size_t i, bl;
- if (inl > LONG_MAX)
- return 0;
-
bl = ctx->cipher->block_size;
if (inl < bl)
@@ -149,14 +142,13 @@ bf_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in,
static int
bf_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl)
{
- if (inl > LONG_MAX)
- return 0;
-
- while (inl >= EVP_MAXCHUNK) {
- BF_ofb64_encrypt(in, out, (long)EVP_MAXCHUNK, &((EVP_BF_KEY *)ctx->cipher_data)->ks, ctx->iv, &ctx->num);
- inl -= EVP_MAXCHUNK;
- in += EVP_MAXCHUNK;
- out += EVP_MAXCHUNK;
+ size_t chunk = LONG_MAX & ~0xff;
+
+ while (inl >= chunk) {
+ BF_ofb64_encrypt(in, out, (long)chunk, &((EVP_BF_KEY *)ctx->cipher_data)->ks, ctx->iv, &ctx->num);
+ inl -= chunk;
+ in += chunk;
+ out += chunk;
}
if (inl)
diff --git a/lib/libcrypto/evp/e_cast.c b/lib/libcrypto/evp/e_cast.c
index f5654d9f3e1..702c26e0c30 100644
--- a/lib/libcrypto/evp/e_cast.c
+++ b/lib/libcrypto/evp/e_cast.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: e_cast.c,v 1.12 2022/09/10 17:39:47 jsing Exp $ */
+/* $OpenBSD: e_cast.c,v 1.13 2022/09/15 07:04:19 jsing Exp $ */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
@@ -86,14 +86,13 @@ cast_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
static int
cast5_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl)
{
- if (inl > LONG_MAX)
- return 0;
-
- while (inl >= EVP_MAXCHUNK) {
- CAST_cbc_encrypt(in, out, (long)EVP_MAXCHUNK, &((EVP_CAST_KEY *)ctx->cipher_data)->ks, ctx->iv, ctx->encrypt);
- inl -= EVP_MAXCHUNK;
- in += EVP_MAXCHUNK;
- out += EVP_MAXCHUNK;
+ size_t chunk = LONG_MAX & ~0xff;
+
+ while (inl >= chunk) {
+ CAST_cbc_encrypt(in, out, (long)chunk, &((EVP_CAST_KEY *)ctx->cipher_data)->ks, ctx->iv, ctx->encrypt);
+ inl -= chunk;
+ in += chunk;
+ out += chunk;
}
if (inl)
@@ -105,10 +104,7 @@ cast5_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *i
static int
cast5_cfb64_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl)
{
- size_t chunk = EVP_MAXCHUNK;
-
- if (inl > LONG_MAX)
- return 0;
+ size_t chunk = LONG_MAX & ~0xff;
if (inl < chunk)
chunk = inl;
@@ -130,9 +126,6 @@ cast5_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *i
{
size_t i, bl;
- if (inl > LONG_MAX)
- return 0;
-
bl = ctx->cipher->block_size;
if (inl < bl)
@@ -149,14 +142,13 @@ cast5_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *i
static int
cast5_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl)
{
- if (inl > LONG_MAX)
- return 0;
-
- while (inl >= EVP_MAXCHUNK) {
- CAST_ofb64_encrypt(in, out, (long)EVP_MAXCHUNK, &((EVP_CAST_KEY *)ctx->cipher_data)->ks, ctx->iv, &ctx->num);
- inl -= EVP_MAXCHUNK;
- in += EVP_MAXCHUNK;
- out += EVP_MAXCHUNK;
+ size_t chunk = LONG_MAX & ~0xff;
+
+ while (inl >= chunk) {
+ CAST_ofb64_encrypt(in, out, (long)chunk, &((EVP_CAST_KEY *)ctx->cipher_data)->ks, ctx->iv, &ctx->num);
+ inl -= chunk;
+ in += chunk;
+ out += chunk;
}
if (inl)
diff --git a/lib/libcrypto/evp/e_des.c b/lib/libcrypto/evp/e_des.c
index 9205128cf40..8fcab72e6b1 100644
--- a/lib/libcrypto/evp/e_des.c
+++ b/lib/libcrypto/evp/e_des.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: e_des.c,v 1.18 2022/09/04 15:45:25 jsing Exp $ */
+/* $OpenBSD: e_des.c,v 1.19 2022/09/15 07:04:19 jsing Exp $ */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
@@ -99,9 +99,6 @@ des_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
{
size_t i, bl;
- if (inl > LONG_MAX)
- return 0;
-
bl = ctx->cipher->block_size;
if (inl < bl)
@@ -120,15 +117,14 @@ static int
des_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, size_t inl)
{
- if (inl > LONG_MAX)
- return 0;
+ size_t chunk = LONG_MAX & ~0xff;
- while (inl >= EVP_MAXCHUNK) {
- DES_ofb64_encrypt(in, out, (long)EVP_MAXCHUNK, ctx->cipher_data,
+ while (inl >= chunk) {
+ DES_ofb64_encrypt(in, out, (long)chunk, ctx->cipher_data,
(DES_cblock *)ctx->iv, &ctx->num);
- inl -= EVP_MAXCHUNK;
- in += EVP_MAXCHUNK;
- out += EVP_MAXCHUNK;
+ inl -= chunk;
+ in += chunk;
+ out += chunk;
}
if (inl)
DES_ofb64_encrypt(in, out, (long)inl, ctx->cipher_data,
@@ -140,15 +136,14 @@ static int
des_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, size_t inl)
{
- if (inl > LONG_MAX)
- return 0;
+ size_t chunk = LONG_MAX & ~0xff;
- while (inl >= EVP_MAXCHUNK) {
- DES_ncbc_encrypt(in, out, (long)EVP_MAXCHUNK, ctx->cipher_data,
+ while (inl >= chunk) {
+ DES_ncbc_encrypt(in, out, (long)chunk, ctx->cipher_data,
(DES_cblock *)ctx->iv, ctx->encrypt);
- inl -= EVP_MAXCHUNK;
- in += EVP_MAXCHUNK;
- out += EVP_MAXCHUNK;
+ inl -= chunk;
+ in += chunk;
+ out += chunk;
}
if (inl)
DES_ncbc_encrypt(in, out, (long)inl, ctx->cipher_data,
@@ -160,15 +155,14 @@ static int
des_cfb64_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, size_t inl)
{
- if (inl > LONG_MAX)
- return 0;
+ size_t chunk = LONG_MAX & ~0xff;
- while (inl >= EVP_MAXCHUNK) {
- DES_cfb64_encrypt(in, out, (long)EVP_MAXCHUNK, ctx->cipher_data,
+ while (inl >= chunk) {
+ DES_cfb64_encrypt(in, out, (long)chunk, ctx->cipher_data,
(DES_cblock *)ctx->iv, &ctx->num, ctx->encrypt);
- inl -= EVP_MAXCHUNK;
- in += EVP_MAXCHUNK;
- out += EVP_MAXCHUNK;
+ inl -= chunk;
+ in += chunk;
+ out += chunk;
}
if (inl)
DES_cfb64_encrypt(in, out, (long)inl, ctx->cipher_data,
@@ -182,11 +176,9 @@ static int
des_cfb1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, size_t inl)
{
- size_t n, chunk = EVP_MAXCHUNK/8;
unsigned char c[1], d[1];
-
- if (inl > LONG_MAX)
- return 0;
+ size_t chunk = LONG_MAX / 8;
+ size_t n;
if (inl < chunk)
chunk = inl;
@@ -214,15 +206,14 @@ static int
des_cfb8_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, size_t inl)
{
- if (inl > LONG_MAX)
- return 0;
+ size_t chunk = LONG_MAX & ~0xff;
- while (inl >= EVP_MAXCHUNK) {
- DES_cfb_encrypt(in, out, 8, (long)EVP_MAXCHUNK,
+ while (inl >= chunk) {
+ DES_cfb_encrypt(in, out, 8, (long)chunk,
ctx->cipher_data, (DES_cblock *)ctx->iv, ctx->encrypt);
- inl -= EVP_MAXCHUNK;
- in += EVP_MAXCHUNK;
- out += EVP_MAXCHUNK;
+ inl -= chunk;
+ in += chunk;
+ out += chunk;
}
if (inl)
DES_cfb_encrypt(in, out, 8, (long)inl, ctx->cipher_data,
diff --git a/lib/libcrypto/evp/e_des3.c b/lib/libcrypto/evp/e_des3.c
index 1171a53b743..6a5d03fe992 100644
--- a/lib/libcrypto/evp/e_des3.c
+++ b/lib/libcrypto/evp/e_des3.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: e_des3.c,v 1.24 2022/09/04 15:45:25 jsing Exp $ */
+/* $OpenBSD: e_des3.c,v 1.25 2022/09/15 07:04:19 jsing Exp $ */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
@@ -130,9 +130,6 @@ des_ede_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
{
size_t i, bl;
- if (inl > LONG_MAX)
- return 0;
-
bl = ctx->cipher->block_size;
if (inl < bl)
@@ -141,8 +138,9 @@ des_ede_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
inl -= bl;
for (i = 0; i <= inl; i += bl)
- DES_ecb3_encrypt((const_DES_cblock *)(in + i), (DES_cblock *)(out + i),
- &data(ctx)->ks1, &data(ctx)->ks2, &data(ctx)->ks3, ctx->encrypt);
+ DES_ecb3_encrypt((const_DES_cblock *)(in + i), (DES_cblock *)(out + i),
+ &data(ctx)->ks1, &data(ctx)->ks2, &data(ctx)->ks3, ctx->encrypt);
+
return 1;
}
@@ -150,16 +148,15 @@ static int
des_ede_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, size_t inl)
{
- if (inl > LONG_MAX)
- return 0;
+ size_t chunk = LONG_MAX & ~0xff;
- while (inl >= EVP_MAXCHUNK) {
- DES_ede3_ofb64_encrypt(in, out, (long)EVP_MAXCHUNK,
+ while (inl >= chunk) {
+ DES_ede3_ofb64_encrypt(in, out, (long)chunk,
&data(ctx)->ks1, &data(ctx)->ks2, &data(ctx)->ks3,
(DES_cblock *)ctx->iv, &ctx->num);
- inl -= EVP_MAXCHUNK;
- in += EVP_MAXCHUNK;
- out += EVP_MAXCHUNK;
+ inl -= chunk;
+ in += chunk;
+ out += chunk;
}
if (inl)
DES_ede3_ofb64_encrypt(in, out, (long)inl,
@@ -173,16 +170,15 @@ static int
des_ede_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, size_t inl)
{
- if (inl > LONG_MAX)
- return 0;
+ size_t chunk = LONG_MAX & ~0xff;
- while (inl >= EVP_MAXCHUNK) {
- DES_ede3_cbc_encrypt(in, out, (long)EVP_MAXCHUNK,
+ while (inl >= chunk) {
+ DES_ede3_cbc_encrypt(in, out, (long)chunk,
&data(ctx)->ks1, &data(ctx)->ks2, &data(ctx)->ks3,
(DES_cblock *)ctx->iv, ctx->encrypt);
- inl -= EVP_MAXCHUNK;
- in += EVP_MAXCHUNK;
- out += EVP_MAXCHUNK;
+ inl -= chunk;
+ in += chunk;
+ out += chunk;
}
if (inl)
DES_ede3_cbc_encrypt(in, out, (long)inl,
@@ -195,16 +191,15 @@ static int
des_ede_cfb64_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, size_t inl)
{
- if (inl > LONG_MAX)
- return 0;
+ size_t chunk = LONG_MAX & ~0xff;
- while (inl >= EVP_MAXCHUNK) {
- DES_ede3_cfb64_encrypt(in, out, (long)EVP_MAXCHUNK,
+ while (inl >= chunk) {
+ DES_ede3_cfb64_encrypt(in, out, (long)chunk,
&data(ctx)->ks1, &data(ctx)->ks2, &data(ctx)->ks3,
(DES_cblock *)ctx->iv, &ctx->num, ctx->encrypt);
- inl -= EVP_MAXCHUNK;
- in += EVP_MAXCHUNK;
- out += EVP_MAXCHUNK;
+ inl -= chunk;
+ in += chunk;
+ out += chunk;
}
if (inl)
DES_ede3_cfb64_encrypt(in, out, (long)inl,
@@ -219,11 +214,8 @@ static int
des_ede3_cfb1_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, size_t inl)
{
- size_t n;
unsigned char c[1], d[1];
-
- if (inl > LONG_MAX)
- return 0;
+ size_t n;
if (!(ctx->flags & EVP_CIPH_FLAG_LENGTH_BITS))
inl *= 8;
@@ -244,16 +236,15 @@ static int
des_ede3_cfb8_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
const unsigned char *in, size_t inl)
{
- if (inl > LONG_MAX)
- return 0;
+ size_t chunk = LONG_MAX & ~0xff;
- while (inl >= EVP_MAXCHUNK) {
- DES_ede3_cfb_encrypt(in, out, 8, (long)EVP_MAXCHUNK,
+ while (inl >= chunk) {
+ DES_ede3_cfb_encrypt(in, out, 8, (long)chunk,
&data(ctx)->ks1, &data(ctx)->ks2, &data(ctx)->ks3,
(DES_cblock *)ctx->iv, ctx->encrypt);
- inl -= EVP_MAXCHUNK;
- in += EVP_MAXCHUNK;
- out += EVP_MAXCHUNK;
+ inl -= chunk;
+ in += chunk;
+ out += chunk;
}
if (inl)
DES_ede3_cfb_encrypt(in, out, 8, (long)inl,
diff --git a/lib/libcrypto/evp/e_idea.c b/lib/libcrypto/evp/e_idea.c
index 8696fb24507..b45ffd5696d 100644
--- a/lib/libcrypto/evp/e_idea.c
+++ b/lib/libcrypto/evp/e_idea.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: e_idea.c,v 1.16 2022/09/10 17:39:47 jsing Exp $ */
+/* $OpenBSD: e_idea.c,v 1.17 2022/09/15 07:04:19 jsing Exp $ */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
@@ -103,9 +103,6 @@ idea_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
{
size_t i, bl;
- if (inl > LONG_MAX)
- return 0;
-
bl = ctx->cipher->block_size;
if (inl < bl)
@@ -114,7 +111,8 @@ idea_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out,
inl -= bl;
for (i = 0; i <= inl; i += bl)
- idea_ecb_encrypt(in + i, out + i, ctx->cipher_data);
+ idea_ecb_encrypt(in + i, out + i, ctx->cipher_data);
+
return 1;
}
@@ -125,14 +123,13 @@ typedef struct {
static int
idea_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl)
{
- if (inl > LONG_MAX)
- return 0;
-
- while (inl >= EVP_MAXCHUNK) {
- idea_cbc_encrypt(in, out, (long)EVP_MAXCHUNK, &((EVP_IDEA_KEY *)ctx->cipher_data)->ks, ctx->iv, ctx->encrypt);
- inl -= EVP_MAXCHUNK;
- in += EVP_MAXCHUNK;
- out += EVP_MAXCHUNK;
+ size_t chunk = LONG_MAX & ~0xff;
+
+ while (inl >= chunk) {
+ idea_cbc_encrypt(in, out, (long)chunk, &((EVP_IDEA_KEY *)ctx->cipher_data)->ks, ctx->iv, ctx->encrypt);
+ inl -= chunk;
+ in += chunk;
+ out += chunk;
}
if (inl)
@@ -144,14 +141,13 @@ idea_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in
static int
idea_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl)
{
- if (inl > LONG_MAX)
- return 0;
-
- while (inl >= EVP_MAXCHUNK) {
- idea_ofb64_encrypt(in, out, (long)EVP_MAXCHUNK, &((EVP_IDEA_KEY *)ctx->cipher_data)->ks, ctx->iv, &ctx->num);
- inl -= EVP_MAXCHUNK;
- in += EVP_MAXCHUNK;
- out += EVP_MAXCHUNK;
+ size_t chunk = LONG_MAX & ~0xff;
+
+ while (inl >= chunk) {
+ idea_ofb64_encrypt(in, out, (long)chunk, &((EVP_IDEA_KEY *)ctx->cipher_data)->ks, ctx->iv, &ctx->num);
+ inl -= chunk;
+ in += chunk;
+ out += chunk;
}
if (inl)
@@ -163,10 +159,7 @@ idea_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in
static int
idea_cfb64_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl)
{
- size_t chunk = EVP_MAXCHUNK;
-
- if (inl > LONG_MAX)
- return 0;
+ size_t chunk = LONG_MAX & ~0xff;
if (inl < chunk)
chunk = inl;
diff --git a/lib/libcrypto/evp/e_rc2.c b/lib/libcrypto/evp/e_rc2.c
index 4f92365e7e7..1af17a7c412 100644
--- a/lib/libcrypto/evp/e_rc2.c
+++ b/lib/libcrypto/evp/e_rc2.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: e_rc2.c,v 1.18 2022/09/10 17:39:47 jsing Exp $ */
+/* $OpenBSD: e_rc2.c,v 1.19 2022/09/15 07:04:19 jsing Exp $ */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
@@ -88,14 +88,13 @@ typedef struct {
static int
rc2_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl)
{
- if (inl > LONG_MAX)
- return 0;
+ size_t chunk = LONG_MAX & ~0xff;
- while (inl >= EVP_MAXCHUNK) {
- RC2_cbc_encrypt(in, out, (long)EVP_MAXCHUNK, &((EVP_RC2_KEY *)ctx->cipher_data)->ks, ctx->iv, ctx->encrypt);
- inl -= EVP_MAXCHUNK;
- in += EVP_MAXCHUNK;
- out += EVP_MAXCHUNK;
+ while (inl >= chunk) {
+ RC2_cbc_encrypt(in, out, (long)chunk, &((EVP_RC2_KEY *)ctx->cipher_data)->ks, ctx->iv, ctx->encrypt);
+ inl -= chunk;
+ in += chunk;
+ out += chunk;
}
if (inl)
@@ -107,10 +106,7 @@ rc2_cbc_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in,
static int
rc2_cfb64_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl)
{
- size_t chunk = EVP_MAXCHUNK;
-
- if (inl > LONG_MAX)
- return 0;
+ size_t chunk = LONG_MAX & ~0xff;
if (inl < chunk)
chunk = inl;
@@ -132,9 +128,6 @@ rc2_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in,
{
size_t i, bl;
- if (inl > LONG_MAX)
- return 0;
-
bl = ctx->cipher->block_size;
if (inl < bl)
@@ -151,14 +144,13 @@ rc2_ecb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in,
static int
rc2_ofb_cipher(EVP_CIPHER_CTX *ctx, unsigned char *out, const unsigned char *in, size_t inl)
{
- if (inl > LONG_MAX)
- return 0;
+ size_t chunk = LONG_MAX & ~0xff;
- while (inl >= EVP_MAXCHUNK) {
- RC2_ofb64_encrypt(in, out, (long)EVP_MAXCHUNK, &((EVP_RC2_KEY *)ctx->cipher_data)->ks, ctx->iv, &ctx->num);
- inl -= EVP_MAXCHUNK;
- in += EVP_MAXCHUNK;
- out += EVP_MAXCHUNK;
+ while (inl >= chunk) {
+ RC2_ofb64_encrypt(in, out, (long)chunk, &((EVP_RC2_KEY *)ctx->cipher_data)->ks, ctx->iv, &ctx->num);
+ inl -= chunk;
+ in += chunk;
+ out += chunk;
}
if (inl)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-28 02:58:53 +0000