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Hakase
2019-05-28 23:10:56 +09:00
parent 64d458de91
commit 9a23f88dc2
49 changed files with 24989 additions and 223 deletions
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crypto/evp/evp_enc.c
+35 -16
View File
@@ -51,7 +51,7 @@ int EVP_CIPHER_CTX_reset(EVP_CIPHER_CTX *ctx)
OPENSSL_cleanse(ctx->cipher_data, ctx->cipher->ctx_size);
}
OPENSSL_free(ctx->cipher_data);
#ifndef OPENSSL_NO_ENGINE
#if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODE)
ENGINE_finish(ctx->engine);
#endif
memset(ctx, 0, sizeof(*ctx));
@@ -81,8 +81,9 @@ int EVP_CipherInit_ex(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
ENGINE *impl, const unsigned char *key,
const unsigned char *iv, int enc)
{
EVP_CIPHER *provciph = NULL;
#if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODE)
ENGINE *tmpimpl = NULL;
#endif
const EVP_CIPHER *tmpcipher;
/*
@@ -105,7 +106,7 @@ int EVP_CipherInit_ex(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
/* TODO(3.0): Legacy work around code below. Remove this */
#ifndef OPENSSL_NO_ENGINE
#if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODE)
/*
* Whether it's nice or not, "Inits" can be used on "Final"'d contexts so
* this context may already have an ENGINE! Try to avoid releasing the
@@ -126,8 +127,10 @@ int EVP_CipherInit_ex(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
* If there are engines involved then we should use legacy handling for now.
*/
if (ctx->engine != NULL
|| impl != NULL
|| tmpimpl != NULL) {
#if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODE)
|| tmpimpl != NULL
#endif
|| impl != NULL) {
if (ctx->cipher == ctx->fetched_cipher)
ctx->cipher = NULL;
EVP_CIPHER_meth_free(ctx->fetched_cipher);
@@ -194,7 +197,14 @@ int EVP_CipherInit_ex(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
cipher = ctx->cipher;
if (cipher->prov == NULL) {
provciph = EVP_CIPHER_fetch(NULL, OBJ_nid2sn(cipher->nid), "");
#ifdef FIPS_MODE
/* We only do explict fetches inside the FIPS module */
EVPerr(EVP_F_EVP_CIPHERINIT_EX, EVP_R_INITIALIZATION_ERROR);
return 0;
#else
EVP_CIPHER *provciph =
EVP_CIPHER_fetch(NULL, OBJ_nid2sn(cipher->nid), "");
if (provciph == NULL) {
EVPerr(EVP_F_EVP_CIPHERINIT_EX, EVP_R_INITIALIZATION_ERROR);
return 0;
@@ -202,6 +212,7 @@ int EVP_CipherInit_ex(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
cipher = provciph;
EVP_CIPHER_meth_free(ctx->fetched_cipher);
ctx->fetched_cipher = provciph;
#endif
}
ctx->cipher = cipher;
@@ -279,7 +290,7 @@ int EVP_CipherInit_ex(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
ctx->encrypt = enc;
ctx->flags = flags;
}
#ifndef OPENSSL_NO_ENGINE
#if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODE)
if (impl != NULL) {
if (!ENGINE_init(impl)) {
EVPerr(EVP_F_EVP_CIPHERINIT_EX, EVP_R_INITIALIZATION_ERROR);
@@ -335,7 +346,7 @@ int EVP_CipherInit_ex(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
}
}
}
#ifndef OPENSSL_NO_ENGINE
#if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODE)
skip_to_init:
#endif
if (ctx->cipher == NULL)
@@ -576,7 +587,12 @@ int EVP_EncryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl,
return 0;
}
if (ctx->cipher == NULL || ctx->cipher->prov == NULL)
if (ctx->cipher == NULL) {
EVPerr(EVP_F_EVP_ENCRYPTUPDATE, EVP_R_NO_CIPHER_SET);
return 0;
}
if (ctx->cipher->prov == NULL)
goto legacy;
blocksize = EVP_CIPHER_CTX_block_size(ctx);
@@ -820,7 +836,12 @@ int EVP_DecryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl)
return 0;
}
if (ctx->cipher == NULL || ctx->cipher->prov == NULL)
if (ctx->cipher == NULL) {
EVPerr(EVP_F_EVP_DECRYPTFINAL_EX, EVP_R_NO_CIPHER_SET);
return 0;
}
if (ctx->cipher->prov == NULL)
goto legacy;
blocksize = EVP_CIPHER_CTX_block_size(ctx);
@@ -847,11 +868,6 @@ int EVP_DecryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl)
legacy:
*outl = 0;
if (ctx->cipher == NULL) {
EVPerr(EVP_F_EVP_DECRYPTFINAL_EX, EVP_R_NO_CIPHER_SET);
return 0;
}
if (ctx->cipher->flags & EVP_CIPH_FLAG_CUSTOM_CIPHER) {
i = ctx->cipher->do_cipher(ctx, out, NULL, 0);
if (i < 0)
@@ -966,6 +982,8 @@ int EVP_CIPHER_CTX_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr)
return ret;
}
#if !defined(FIPS_MODE)
/* TODO(3.0): No support for RAND yet in the FIPS module */
int EVP_CIPHER_CTX_rand_key(EVP_CIPHER_CTX *ctx, unsigned char *key)
{
int kl;
@@ -976,6 +994,7 @@ int EVP_CIPHER_CTX_rand_key(EVP_CIPHER_CTX *ctx, unsigned char *key)
return 0;
return 1;
}
#endif
int EVP_CIPHER_CTX_copy(EVP_CIPHER_CTX *out, const EVP_CIPHER_CTX *in)
{
@@ -1013,7 +1032,7 @@ int EVP_CIPHER_CTX_copy(EVP_CIPHER_CTX *out, const EVP_CIPHER_CTX *in)
/* TODO(3.0): Remove legacy code below */
legacy:
#ifndef OPENSSL_NO_ENGINE
#if !defined(OPENSSL_NO_ENGINE) && !defined(FIPS_MODE)
/* Make sure it's safe to copy a cipher context using an ENGINE */
if (in->engine && !ENGINE_init(in->engine)) {
EVPerr(EVP_F_EVP_CIPHER_CTX_COPY, ERR_R_ENGINE_LIB);