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vboot: fix name-collision with OpenSSL.

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vboot currently uses the |SHA256_CTX| name, which is claimed by OpenSSL.
To work around this, it defines OPENSSL_NO_SHA, but that can't be done
at compile time:

The OPENSSL_NO_* defines are set by OpenSSL to reflect the configuration
that it was built with so that users of OpenSSL can disable features as
needed. They can affect the contents of structures any thus the ABI of
the library.

If these defines are set outside of OpenSSL, then the library and the
code that uses it will have incompatible ABIs. At that point it's only
functioning by blind luck.

This change renames the name-collisions so that this hack isn't needed.
This is the same change as was made internally in cl/85758149.

BUG=none
BRANCH=none
TEST=emerge-samus coreboot; make runtests

Change-Id: I709da2507f341896d89d50129ce30ffb111a20d1
Signed-off-by: Bill Richardson <wfrichar@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/263506
Reviewed-by: Randall Spangler <rspangler@chromium.org>
This commit is contained in:
Adam Langley
2015-04-01 11:29:03 -07:00
committed by ChromeOS Commit Bot
parent b5a439241f
commit 9978e0aa00
13 changed files with 26 additions and 33 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
firmware/lib/cryptolib/include/sha.h
View File

@@ -42,7 +42,7 @@ typedef struct {
uint32_t len;
uint8_t block[2 * SHA256_BLOCK_SIZE];
uint8_t buf[SHA256_DIGEST_SIZE]; /* Used for storing the final digest. */
} SHA256_CTX;
} VB_SHA256_CTX;
typedef struct {
uint64_t h[8];
@@ -50,20 +50,20 @@ typedef struct {
uint32_t len;
uint8_t block[2 * SHA512_BLOCK_SIZE];
uint8_t buf[SHA512_DIGEST_SIZE]; /* Used for storing the final digest. */
} SHA512_CTX;
} VB_SHA512_CTX;
void SHA1_init(SHA1_CTX* ctx);
void SHA1_update(SHA1_CTX* ctx, const uint8_t* data, uint64_t len);
uint8_t* SHA1_final(SHA1_CTX* ctx);
void SHA256_init(SHA256_CTX* ctx);
void SHA256_update(SHA256_CTX* ctx, const uint8_t* data, uint32_t len);
uint8_t* SHA256_final(SHA256_CTX* ctx);
void SHA256_init(VB_SHA256_CTX* ctx);
void SHA256_update(VB_SHA256_CTX* ctx, const uint8_t* data, uint32_t len);
uint8_t* SHA256_final(VB_SHA256_CTX* ctx);
void SHA512_init(SHA512_CTX* ctx);
void SHA512_update(SHA512_CTX* ctx, const uint8_t* data, uint32_t len);
uint8_t* SHA512_final(SHA512_CTX* ctx);
void SHA512_init(VB_SHA512_CTX* ctx);
void SHA512_update(VB_SHA512_CTX* ctx, const uint8_t* data, uint32_t len);
uint8_t* SHA512_final(VB_SHA512_CTX* ctx);
/* Convenience function for SHA-1. Computes hash on [data] of length [len].
* and stores it into [digest]. [digest] should be pre-allocated to
@@ -95,8 +95,8 @@ uint8_t* internal_SHA512(const uint8_t* data, uint64_t len, uint8_t* digest);
*/
typedef struct DigestContext {
SHA1_CTX* sha1_ctx;
SHA256_CTX* sha256_ctx;
SHA512_CTX* sha512_ctx;
VB_SHA256_CTX* sha256_ctx;
VB_SHA512_CTX* sha512_ctx;
int algorithm; /* Hashing algorithm to use. */
} DigestContext;