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authorthegeorg <thegeorg@yandex-team.ru>2022-02-10 16:45:12 +0300
committerDaniil Cherednik <dcherednik@yandex-team.ru>2022-02-10 16:45:12 +0300
commit49116032d905455a7b1c994e4a696afc885c1e71 (patch)
treebe835aa92c6248212e705f25388ebafcf84bc7a1 /contrib/libs/curl/lib/sha256.c
parent4e839db24a3bbc9f1c610c43d6faaaa99824dcca (diff)
downloadydb-49116032d905455a7b1c994e4a696afc885c1e71.tar.gz
Restoring authorship annotation for <thegeorg@yandex-team.ru>. Commit 2 of 2.
Diffstat (limited to 'contrib/libs/curl/lib/sha256.c')
-rw-r--r--contrib/libs/curl/lib/sha256.c508
1 files changed, 254 insertions, 254 deletions
diff --git a/contrib/libs/curl/lib/sha256.c b/contrib/libs/curl/lib/sha256.c
index e1b3459bbb..7d2a4f705a 100644
--- a/contrib/libs/curl/lib/sha256.c
+++ b/contrib/libs/curl/lib/sha256.c
@@ -5,12 +5,12 @@
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
- * Copyright (C) 2017, Florin Petriuc, <petriuc.florin@gmail.com>
- * Copyright (C) 2018 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 2017, Florin Petriuc, <petriuc.florin@gmail.com>
+ * Copyright (C) 2018 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
- * are also available at https://curl.se/docs/copyright.html.
+ * are also available at https://curl.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
@@ -36,208 +36,208 @@
#define USE_OPENSSL_SHA256
#endif
-#endif /* USE_OPENSSL */
-
-#ifdef USE_MBEDTLS
-#error #include <mbedtls/version.h>
-
-#if(MBEDTLS_VERSION_NUMBER >= 0x02070000)
- #define HAS_RESULT_CODE_BASED_FUNCTIONS
+#endif /* USE_OPENSSL */
+
+#ifdef USE_MBEDTLS
+#error #include <mbedtls/version.h>
+
+#if(MBEDTLS_VERSION_NUMBER >= 0x02070000)
+ #define HAS_RESULT_CODE_BASED_FUNCTIONS
#endif
-#endif /* USE_MBEDTLS */
-
-/* Please keep the SSL backend-specific #if branches in this order:
- *
- * 1. USE_OPENSSL
- * 2. USE_GNUTLS_NETTLE
- * 3. USE_GNUTLS
- * 4. USE_MBEDTLS
- * 5. USE_COMMON_CRYPTO
- * 6. USE_WIN32_CRYPTO
- *
- * This ensures that the same SSL branch gets activated throughout this source
- * file even if multiple backends are enabled at the same time.
- */
-
-#if defined(USE_OPENSSL_SHA256)
-
+#endif /* USE_MBEDTLS */
+
+/* Please keep the SSL backend-specific #if branches in this order:
+ *
+ * 1. USE_OPENSSL
+ * 2. USE_GNUTLS_NETTLE
+ * 3. USE_GNUTLS
+ * 4. USE_MBEDTLS
+ * 5. USE_COMMON_CRYPTO
+ * 6. USE_WIN32_CRYPTO
+ *
+ * This ensures that the same SSL branch gets activated throughout this source
+ * file even if multiple backends are enabled at the same time.
+ */
+
+#if defined(USE_OPENSSL_SHA256)
+
/* When OpenSSL is available we use the SHA256-function from OpenSSL */
#include <openssl/sha.h>
-
-#elif defined(USE_GNUTLS_NETTLE)
-
-#error #include <nettle/sha.h>
-
-#include "curl_memory.h"
-
-/* The last #include file should be: */
-#include "memdebug.h"
-
-typedef struct sha256_ctx SHA256_CTX;
-
-static void SHA256_Init(SHA256_CTX *ctx)
-{
- sha256_init(ctx);
-}
-
-static void SHA256_Update(SHA256_CTX *ctx,
- const unsigned char *data,
- unsigned int length)
-{
- sha256_update(ctx, length, data);
-}
-
-static void SHA256_Final(unsigned char *digest, SHA256_CTX *ctx)
-{
- sha256_digest(ctx, SHA256_DIGEST_SIZE, digest);
-}
-
-#elif defined(USE_GNUTLS)
-
-#include <gcrypt.h>
-
-#include "curl_memory.h"
-
-/* The last #include file should be: */
-#include "memdebug.h"
-
-typedef gcry_md_hd_t SHA256_CTX;
-
-static void SHA256_Init(SHA256_CTX *ctx)
-{
- gcry_md_open(ctx, GCRY_MD_SHA256, 0);
-}
-
-static void SHA256_Update(SHA256_CTX *ctx,
- const unsigned char *data,
- unsigned int length)
-{
- gcry_md_write(*ctx, data, length);
-}
-
-static void SHA256_Final(unsigned char *digest, SHA256_CTX *ctx)
-{
- memcpy(digest, gcry_md_read(*ctx, 0), SHA256_DIGEST_LENGTH);
- gcry_md_close(*ctx);
-}
-
-#elif defined(USE_MBEDTLS)
-
-#error #include <mbedtls/sha256.h>
-
-#include "curl_memory.h"
-
-/* The last #include file should be: */
-#include "memdebug.h"
-
-typedef mbedtls_sha256_context SHA256_CTX;
-
-static void SHA256_Init(SHA256_CTX *ctx)
-{
-#if !defined(HAS_RESULT_CODE_BASED_FUNCTIONS)
- mbedtls_sha256_starts(ctx, 0);
+
+#elif defined(USE_GNUTLS_NETTLE)
+
+#error #include <nettle/sha.h>
+
+#include "curl_memory.h"
+
+/* The last #include file should be: */
+#include "memdebug.h"
+
+typedef struct sha256_ctx SHA256_CTX;
+
+static void SHA256_Init(SHA256_CTX *ctx)
+{
+ sha256_init(ctx);
+}
+
+static void SHA256_Update(SHA256_CTX *ctx,
+ const unsigned char *data,
+ unsigned int length)
+{
+ sha256_update(ctx, length, data);
+}
+
+static void SHA256_Final(unsigned char *digest, SHA256_CTX *ctx)
+{
+ sha256_digest(ctx, SHA256_DIGEST_SIZE, digest);
+}
+
+#elif defined(USE_GNUTLS)
+
+#include <gcrypt.h>
+
+#include "curl_memory.h"
+
+/* The last #include file should be: */
+#include "memdebug.h"
+
+typedef gcry_md_hd_t SHA256_CTX;
+
+static void SHA256_Init(SHA256_CTX *ctx)
+{
+ gcry_md_open(ctx, GCRY_MD_SHA256, 0);
+}
+
+static void SHA256_Update(SHA256_CTX *ctx,
+ const unsigned char *data,
+ unsigned int length)
+{
+ gcry_md_write(*ctx, data, length);
+}
+
+static void SHA256_Final(unsigned char *digest, SHA256_CTX *ctx)
+{
+ memcpy(digest, gcry_md_read(*ctx, 0), SHA256_DIGEST_LENGTH);
+ gcry_md_close(*ctx);
+}
+
+#elif defined(USE_MBEDTLS)
+
+#error #include <mbedtls/sha256.h>
+
+#include "curl_memory.h"
+
+/* The last #include file should be: */
+#include "memdebug.h"
+
+typedef mbedtls_sha256_context SHA256_CTX;
+
+static void SHA256_Init(SHA256_CTX *ctx)
+{
+#if !defined(HAS_RESULT_CODE_BASED_FUNCTIONS)
+ mbedtls_sha256_starts(ctx, 0);
+#else
+ (void) mbedtls_sha256_starts_ret(ctx, 0);
+#endif
+}
+
+static void SHA256_Update(SHA256_CTX *ctx,
+ const unsigned char *data,
+ unsigned int length)
+{
+#if !defined(HAS_RESULT_CODE_BASED_FUNCTIONS)
+ mbedtls_sha256_update(ctx, data, length);
+#else
+ (void) mbedtls_sha256_update_ret(ctx, data, length);
+#endif
+}
+
+static void SHA256_Final(unsigned char *digest, SHA256_CTX *ctx)
+{
+#if !defined(HAS_RESULT_CODE_BASED_FUNCTIONS)
+ mbedtls_sha256_finish(ctx, digest);
+#else
+ (void) mbedtls_sha256_finish_ret(ctx, digest);
+#endif
+}
+
+#elif (defined(__MAC_OS_X_VERSION_MAX_ALLOWED) && \
+ (__MAC_OS_X_VERSION_MAX_ALLOWED >= 1040)) || \
+ (defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && \
+ (__IPHONE_OS_VERSION_MAX_ALLOWED >= 20000))
+
+#include <CommonCrypto/CommonDigest.h>
+
+#include "curl_memory.h"
+
+/* The last #include file should be: */
+#include "memdebug.h"
+
+typedef CC_SHA256_CTX SHA256_CTX;
+
+static void SHA256_Init(SHA256_CTX *ctx)
+{
+ (void) CC_SHA256_Init(ctx);
+}
+
+static void SHA256_Update(SHA256_CTX *ctx,
+ const unsigned char *data,
+ unsigned int length)
+{
+ (void) CC_SHA256_Update(ctx, data, length);
+}
+
+static void SHA256_Final(unsigned char *digest, SHA256_CTX *ctx)
+{
+ (void) CC_SHA256_Final(digest, ctx);
+}
+
+#elif defined(USE_WIN32_CRYPTO)
+
+#include <wincrypt.h>
+
+struct sha256_ctx {
+ HCRYPTPROV hCryptProv;
+ HCRYPTHASH hHash;
+};
+typedef struct sha256_ctx SHA256_CTX;
+
+#if !defined(CALG_SHA_256)
+#define CALG_SHA_256 0x0000800c
+#endif
+
+static void SHA256_Init(SHA256_CTX *ctx)
+{
+ if(CryptAcquireContext(&ctx->hCryptProv, NULL, NULL, PROV_RSA_AES,
+ CRYPT_VERIFYCONTEXT | CRYPT_SILENT)) {
+ CryptCreateHash(ctx->hCryptProv, CALG_SHA_256, 0, 0, &ctx->hHash);
+ }
+}
+
+static void SHA256_Update(SHA256_CTX *ctx,
+ const unsigned char *data,
+ unsigned int length)
+{
+ CryptHashData(ctx->hHash, (unsigned char *) data, length, 0);
+}
+
+static void SHA256_Final(unsigned char *digest, SHA256_CTX *ctx)
+{
+ unsigned long length = 0;
+
+ CryptGetHashParam(ctx->hHash, HP_HASHVAL, NULL, &length, 0);
+ if(length == SHA256_DIGEST_LENGTH)
+ CryptGetHashParam(ctx->hHash, HP_HASHVAL, digest, &length, 0);
+
+ if(ctx->hHash)
+ CryptDestroyHash(ctx->hHash);
+
+ if(ctx->hCryptProv)
+ CryptReleaseContext(ctx->hCryptProv, 0);
+}
+
#else
- (void) mbedtls_sha256_starts_ret(ctx, 0);
-#endif
-}
-
-static void SHA256_Update(SHA256_CTX *ctx,
- const unsigned char *data,
- unsigned int length)
-{
-#if !defined(HAS_RESULT_CODE_BASED_FUNCTIONS)
- mbedtls_sha256_update(ctx, data, length);
-#else
- (void) mbedtls_sha256_update_ret(ctx, data, length);
-#endif
-}
-
-static void SHA256_Final(unsigned char *digest, SHA256_CTX *ctx)
-{
-#if !defined(HAS_RESULT_CODE_BASED_FUNCTIONS)
- mbedtls_sha256_finish(ctx, digest);
-#else
- (void) mbedtls_sha256_finish_ret(ctx, digest);
-#endif
-}
-
-#elif (defined(__MAC_OS_X_VERSION_MAX_ALLOWED) && \
- (__MAC_OS_X_VERSION_MAX_ALLOWED >= 1040)) || \
- (defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && \
- (__IPHONE_OS_VERSION_MAX_ALLOWED >= 20000))
-
-#include <CommonCrypto/CommonDigest.h>
-
-#include "curl_memory.h"
-
-/* The last #include file should be: */
-#include "memdebug.h"
-
-typedef CC_SHA256_CTX SHA256_CTX;
-
-static void SHA256_Init(SHA256_CTX *ctx)
-{
- (void) CC_SHA256_Init(ctx);
-}
-
-static void SHA256_Update(SHA256_CTX *ctx,
- const unsigned char *data,
- unsigned int length)
-{
- (void) CC_SHA256_Update(ctx, data, length);
-}
-
-static void SHA256_Final(unsigned char *digest, SHA256_CTX *ctx)
-{
- (void) CC_SHA256_Final(digest, ctx);
-}
-
-#elif defined(USE_WIN32_CRYPTO)
-
-#include <wincrypt.h>
-
-struct sha256_ctx {
- HCRYPTPROV hCryptProv;
- HCRYPTHASH hHash;
-};
-typedef struct sha256_ctx SHA256_CTX;
-
-#if !defined(CALG_SHA_256)
-#define CALG_SHA_256 0x0000800c
-#endif
-
-static void SHA256_Init(SHA256_CTX *ctx)
-{
- if(CryptAcquireContext(&ctx->hCryptProv, NULL, NULL, PROV_RSA_AES,
- CRYPT_VERIFYCONTEXT | CRYPT_SILENT)) {
- CryptCreateHash(ctx->hCryptProv, CALG_SHA_256, 0, 0, &ctx->hHash);
- }
-}
-
-static void SHA256_Update(SHA256_CTX *ctx,
- const unsigned char *data,
- unsigned int length)
-{
- CryptHashData(ctx->hHash, (unsigned char *) data, length, 0);
-}
-
-static void SHA256_Final(unsigned char *digest, SHA256_CTX *ctx)
-{
- unsigned long length = 0;
-
- CryptGetHashParam(ctx->hHash, HP_HASHVAL, NULL, &length, 0);
- if(length == SHA256_DIGEST_LENGTH)
- CryptGetHashParam(ctx->hHash, HP_HASHVAL, digest, &length, 0);
-
- if(ctx->hHash)
- CryptDestroyHash(ctx->hHash);
-
- if(ctx->hCryptProv)
- CryptReleaseContext(ctx->hCryptProv, 0);
-}
-
-#else
-
+
/* When no other crypto library is available we use this code segment */
/* This is based on SHA256 implementation in LibTomCrypt that was released into
@@ -281,7 +281,7 @@ do { \
} while(0)
#endif
-struct sha256_state {
+struct sha256_state {
#ifdef HAVE_LONGLONG
unsigned long long length;
#else
@@ -289,10 +289,10 @@ struct sha256_state {
#endif
unsigned long state[8], curlen;
unsigned char buf[64];
-};
-typedef struct sha256_state SHA256_CTX;
-
-/* The K array */
+};
+typedef struct sha256_state SHA256_CTX;
+
+/* The K array */
static const unsigned long K[64] = {
0x428a2f98UL, 0x71374491UL, 0xb5c0fbcfUL, 0xe9b5dba5UL, 0x3956c25bUL,
0x59f111f1UL, 0x923f82a4UL, 0xab1c5ed5UL, 0xd807aa98UL, 0x12835b01UL,
@@ -308,7 +308,7 @@ static const unsigned long K[64] = {
0x682e6ff3UL, 0x748f82eeUL, 0x78a5636fUL, 0x84c87814UL, 0x8cc70208UL,
0x90befffaUL, 0xa4506cebUL, 0xbef9a3f7UL, 0xc67178f2UL
};
-
+
/* Various logical functions */
#define RORc(x, y) \
(((((unsigned long)(x) & 0xFFFFFFFFUL) >> (unsigned long)((y) & 31)) | \
@@ -321,15 +321,15 @@ static const unsigned long K[64] = {
#define Sigma1(x) (S(x, 6) ^ S(x, 11) ^ S(x, 25))
#define Gamma0(x) (S(x, 7) ^ S(x, 18) ^ R(x, 3))
#define Gamma1(x) (S(x, 17) ^ S(x, 19) ^ R(x, 10))
-
-/* Compress 512-bits */
+
+/* Compress 512-bits */
static int sha256_compress(struct sha256_state *md,
unsigned char *buf)
{
unsigned long S[8], W[64];
int i;
-
- /* Copy state into S */
+
+ /* Copy state into S */
for(i = 0; i < 8; i++) {
S[i] = md->state[i];
}
@@ -341,7 +341,7 @@ static int sha256_compress(struct sha256_state *md,
W[i] = Gamma1(W[i - 2]) + W[i - 7] + Gamma0(W[i - 15]) +
W[i - 16];
}
-
+
/* Compress */
#define RND(a,b,c,d,e,f,g,h,i) \
unsigned long t0 = h + Sigma1(e) + Ch(e, f, g) + K[i] + W[i]; \
@@ -354,15 +354,15 @@ static int sha256_compress(struct sha256_state *md,
t = S[7]; S[7] = S[6]; S[6] = S[5]; S[5] = S[4];
S[4] = S[3]; S[3] = S[2]; S[2] = S[1]; S[1] = S[0]; S[0] = t;
}
-
- /* Feedback */
+
+ /* Feedback */
for(i = 0; i < 8; i++) {
md->state[i] = md->state[i] + S[i];
}
-
+
return 0;
}
-
+
/* Initialize the hash state */
static void SHA256_Init(struct sha256_state *md)
{
@@ -377,8 +377,8 @@ static void SHA256_Init(struct sha256_state *md)
md->state[6] = 0x1F83D9ABUL;
md->state[7] = 0x5BE0CD19UL;
}
-
-/*
+
+/*
Process a block of memory though the hash
@param md The hash state
@param in The data to hash
@@ -390,7 +390,7 @@ static int SHA256_Update(struct sha256_state *md,
unsigned long inlen)
{
unsigned long n;
-
+
#define block_size 64
if(md->curlen > sizeof(md->buf))
return -1;
@@ -416,11 +416,11 @@ static int SHA256_Update(struct sha256_state *md,
}
}
}
-
+
return 0;
}
-
-/*
+
+/*
Terminate the hash to get the digest
@param md The hash state
@param out [out] The destination of the hash (32 bytes)
@@ -430,17 +430,17 @@ static int SHA256_Final(unsigned char *out,
struct sha256_state *md)
{
int i;
-
+
if(md->curlen >= sizeof(md->buf))
return -1;
-
- /* Increase the length of the message */
+
+ /* Increase the length of the message */
md->length += md->curlen * 8;
-
- /* Append the '1' bit */
+
+ /* Append the '1' bit */
md->buf[md->curlen++] = (unsigned char)0x80;
-
- /* If the length is currently above 56 bytes we append zeros
+
+ /* If the length is currently above 56 bytes we append zeros
* then compress. Then we can fall back to padding zeros and length
* encoding like normal.
*/
@@ -451,44 +451,44 @@ static int SHA256_Final(unsigned char *out,
sha256_compress(md, md->buf);
md->curlen = 0;
}
-
- /* Pad up to 56 bytes of zeroes */
+
+ /* Pad up to 56 bytes of zeroes */
while(md->curlen < 56) {
md->buf[md->curlen++] = (unsigned char)0;
}
-
- /* Store length */
+
+ /* Store length */
WPA_PUT_BE64(md->buf + 56, md->length);
sha256_compress(md, md->buf);
-
- /* Copy output */
+
+ /* Copy output */
for(i = 0; i < 8; i++)
WPA_PUT_BE32(out + (4 * i), md->state[i]);
-
+
return 0;
}
-#endif /* CRYPTO LIBS */
-
-/*
- * Curl_sha256it()
- *
- * Generates a SHA256 hash for the given input data.
- *
- * Parameters:
- *
- * output [in/out] - The output buffer.
- * input [in] - The input data.
- * length [in] - The input length.
- */
-void Curl_sha256it(unsigned char *output, const unsigned char *input,
- const size_t length)
+#endif /* CRYPTO LIBS */
+
+/*
+ * Curl_sha256it()
+ *
+ * Generates a SHA256 hash for the given input data.
+ *
+ * Parameters:
+ *
+ * output [in/out] - The output buffer.
+ * input [in] - The input data.
+ * length [in] - The input length.
+ */
+void Curl_sha256it(unsigned char *output, const unsigned char *input,
+ const size_t length)
{
SHA256_CTX ctx;
-
+
SHA256_Init(&ctx);
- SHA256_Update(&ctx, input, curlx_uztoui(length));
- SHA256_Final(output, &ctx);
+ SHA256_Update(&ctx, input, curlx_uztoui(length));
+ SHA256_Final(output, &ctx);
}
#endif /* CURL_DISABLE_CRYPTO_AUTH */