#ifdef HAVE_DIX_CONFIG_H #include <dix-config.h> #endif #include "os.h" #include "xsha1.h" #if defined(HAVE_SHA1_IN_LIBMD) /* Use libmd for SHA1 */ \ || defined(HAVE_SHA1_IN_LIBC) /* Use libc for SHA1 */ # include <sha1.h> void *x_sha1_init(void) { SHA1_CTX *ctx = malloc(sizeof(*ctx)); if (!ctx) return NULL; SHA1Init(ctx); return ctx; } int x_sha1_update(void *ctx, void *data, int size) { SHA1_CTX *sha1_ctx = ctx; SHA1Update(sha1_ctx, data, size); return 1; } int x_sha1_final(void *ctx, unsigned char result[20]) { SHA1_CTX *sha1_ctx = ctx; SHA1Final(result, sha1_ctx); free(sha1_ctx); return 1; } #elif defined(HAVE_SHA1_IN_COMMONCRYPTO) /* Use CommonCrypto for SHA1 */ #include <CommonCrypto/CommonDigest.h> void *x_sha1_init(void) { CC_SHA1_CTX *ctx = malloc(sizeof(*ctx)); if (!ctx) return NULL; CC_SHA1_Init(ctx); return ctx; } int x_sha1_update(void *ctx, void *data, int size) { CC_SHA1_CTX *sha1_ctx = ctx; CC_SHA1_Update(sha1_ctx, data, size); return 1; } int x_sha1_final(void *ctx, unsigned char result[20]) { CC_SHA1_CTX *sha1_ctx = ctx; CC_SHA1_Final(result, sha1_ctx); free(sha1_ctx); return 1; } #elif defined(HAVE_SHA1_IN_LIBGCRYPT) /* Use libgcrypt for SHA1 */ # include <gcrypt.h> void *x_sha1_init(void) { static int init; gcry_md_hd_t h; gcry_error_t err; if (!init) { if (!gcry_check_version(NULL)) return NULL; gcry_control(GCRYCTL_DISABLE_SECMEM, 0); gcry_control(GCRYCTL_INITIALIZATION_FINISHED, 0); init = 1; } err = gcry_md_open(&h, GCRY_MD_SHA1, 0); if (err) return NULL; return h; } int x_sha1_update(void *ctx, void *data, int size) { gcry_md_hd_t h = ctx; gcry_md_write(h, data, size); return 1; } int x_sha1_final(void *ctx, unsigned char result[20]) { gcry_md_hd_t h = ctx; memcpy(result, gcry_md_read(h, GCRY_MD_SHA1), 20); gcry_md_close(h); return 1; } #elif defined(HAVE_SHA1_IN_LIBSHA1) /* Use libsha1 */ # include <libsha1.h> void *x_sha1_init(void) { sha1_ctx *ctx = malloc(sizeof(*ctx)); if(!ctx) return NULL; sha1_begin(ctx); return ctx; } int x_sha1_update(void *ctx, void *data, int size) { sha1_hash(data, size, ctx); return 1; } int x_sha1_final(void *ctx, unsigned char result[20]) { sha1_end(result, ctx); free(ctx); return 1; } #else /* Use OpenSSL's libcrypto */ # include <stddef.h> /* buggy openssl/sha.h wants size_t */ # include <openssl/sha.h> void *x_sha1_init(void) { int ret; SHA_CTX *ctx = malloc(sizeof(*ctx)); if (!ctx) return NULL; ret = SHA1_Init(ctx); if (!ret) { free(ctx); return NULL; } return ctx; } int x_sha1_update(void *ctx, void *data, int size) { int ret; SHA_CTX *sha_ctx = ctx; ret = SHA1_Update(sha_ctx, data, size); if (!ret) free(sha_ctx); return ret; } int x_sha1_final(void *ctx, unsigned char result[20]) { int ret; SHA_CTX *sha_ctx = ctx; ret = SHA1_Final(result, sha_ctx); free(sha_ctx); return ret; } #endif