X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fsrc%2Fhash.c;h=eea2cb8a37bb574c51eefb0b09f905bb3cc36565;hb=b13354a7c428fdb2286d2227fdad5378a1ee9426;hp=19ab1efd09b5782bbfa4fa57256d91ec59e6bfdc;hpb=d73e45df63ef6602fa32bd3e196d20735a0b69b5;p=user%2Fhenk%2Fcode%2Fexim.git diff --git a/src/src/hash.c b/src/src/hash.c index 19ab1efd0..eea2cb8a3 100644 --- a/src/src/hash.c +++ b/src/src/hash.c @@ -1,8 +1,8 @@ /* * Exim - an Internet mail transport agent * - * Copyright (C) 2016 Exim maintainers - * Copyright (c) University of Cambridge 1995 - 2016 + * Copyright (C) 2010 - 2018 Exim maintainers + * Copyright (c) University of Cambridge 1995 - 2009 * * Hash interface functions */ @@ -40,6 +40,20 @@ switch (h->method = m) case HASH_SHA2_256: h->hashlen = 32; SHA256_Init(&h->u.sha2_256); break; case HASH_SHA2_384: h->hashlen = 48; SHA384_Init(&h->u.sha2_512); break; case HASH_SHA2_512: h->hashlen = 64; SHA512_Init(&h->u.sha2_512); break; +#ifdef EXIM_HAVE_SHA3 + case HASH_SHA3_224: h->hashlen = 28; + EVP_DigestInit(h->u.mctx = EVP_MD_CTX_new(), EVP_sha3_224()); + break; + case HASH_SHA3_256: h->hashlen = 32; + EVP_DigestInit(h->u.mctx = EVP_MD_CTX_new(), EVP_sha3_256()); + break; + case HASH_SHA3_384: h->hashlen = 48; + EVP_DigestInit(h->u.mctx = EVP_MD_CTX_new(), EVP_sha3_384()); + break; + case HASH_SHA3_512: h->hashlen = 64; + EVP_DigestInit(h->u.mctx = EVP_MD_CTX_new(), EVP_sha3_512()); + break; +#endif default: h->hashlen = 0; return FALSE; } return TRUE; @@ -55,6 +69,12 @@ switch (h->method) case HASH_SHA2_256: SHA256_Update(&h->u.sha2_256, data, len); break; case HASH_SHA2_384: SHA384_Update(&h->u.sha2_512, data, len); break; case HASH_SHA2_512: SHA512_Update(&h->u.sha2_512, data, len); break; +#ifdef EXIM_HAVE_SHA3 + case HASH_SHA3_224: + case HASH_SHA3_256: + case HASH_SHA3_384: + case HASH_SHA3_512: EVP_DigestUpdate(h->u.mctx, data, len); break; +#endif /* should be blocked by init not handling these, but be explicit to guard against accidents later (and hush up clang -Wswitch) */ default: assert(0); @@ -72,6 +92,12 @@ switch (h->method) case HASH_SHA2_256: SHA256_Final(b->data, &h->u.sha2_256); break; case HASH_SHA2_384: SHA384_Final(b->data, &h->u.sha2_512); break; case HASH_SHA2_512: SHA512_Final(b->data, &h->u.sha2_512); break; +#ifdef EXIM_HAVE_SHA3 + case HASH_SHA3_224: + case HASH_SHA3_256: + case HASH_SHA3_384: + case HASH_SHA3_512: EVP_DigestFinal(h->u.mctx, b->data, NULL); break; +#endif default: assert(0); } } @@ -92,6 +118,7 @@ switch (h->method = m) case HASH_SHA2_384: h->hashlen = 48; gnutls_hash_init(&h->sha, GNUTLS_DIG_SHA384); break; case HASH_SHA2_512: h->hashlen = 64; gnutls_hash_init(&h->sha, GNUTLS_DIG_SHA512); break; #ifdef EXIM_HAVE_SHA3 + case HASH_SHA3_224: h->hashlen = 28; gnutls_hash_init(&h->sha, GNUTLS_DIG_SHA3_224); break; case HASH_SHA3_256: h->hashlen = 32; gnutls_hash_init(&h->sha, GNUTLS_DIG_SHA3_256); break; case HASH_SHA3_384: h->hashlen = 48; gnutls_hash_init(&h->sha, GNUTLS_DIG_SHA3_384); break; case HASH_SHA3_512: h->hashlen = 64; gnutls_hash_init(&h->sha, GNUTLS_DIG_SHA3_512); break; @@ -241,19 +268,18 @@ Returns: nothing static void native_sha1_mid(sha1 *base, const uschar *text) { -int i; uint A, B, C, D, E; uint W[80]; base->length += 64; -for (i = 0; i < 16; i++) +for (int i = 0; i < 16; i++) { W[i] = ((uint)text[0] << 24) | (text[1] << 16) | (text[2] << 8) | text[3]; text += 4; } -for (i = 16; i < 80; i++) +for (int i = 16; i < 80; i++) { register unsigned int x = W[i-3] ^ W[i-8] ^ W[i-14] ^ W[i-16]; W[i] = (x << 1) | (x >> 31); @@ -265,7 +291,7 @@ C = base->H[2]; D = base->H[3]; E = base->H[4]; -for (i = 0; i < 20; i++) +for (int i = 0; i < 20; i++) { unsigned int T; T = ((A << 5) | (A >> 27)) + ((B & C) | ((~B) & D)) + E + W[i] + 0x5a827999; @@ -276,7 +302,7 @@ for (i = 0; i < 20; i++) A = T; } -for (i = 20; i < 40; i++) +for (int i = 20; i < 40; i++) { unsigned int T; T = ((A << 5) | (A >> 27)) + (B ^ C ^ D) + E + W[i] + 0x6ed9eba1; @@ -287,7 +313,7 @@ for (i = 20; i < 40; i++) A = T; } -for (i = 40; i < 60; i++) +for (int i = 40; i < 60; i++) { unsigned int T; T = ((A << 5) | (A >> 27)) + ((B & C) | (B & D) | (C & D)) + E + W[i] + @@ -299,7 +325,7 @@ for (i = 40; i < 60; i++) A = T; } -for (i = 60; i < 80; i++) +for (int i = 60; i < 80; i++) { unsigned int T; T = ((A << 5) | (A >> 27)) + (B ^ C ^ D) + E + W[i] + 0xca62c1d6; @@ -340,7 +366,6 @@ Returns: nothing static void native_sha1_end(sha1 *base, const uschar *text, int length, uschar *digest) { -int i; uschar work[64]; /* Process in chunks of 64 until we have less than 64 bytes left. */ @@ -393,7 +418,7 @@ native_sha1_mid(base, work); /* Pass back the result, high-order byte first in each word. */ -for (i = 0; i < 5; i++) +for (int i = 0; i < 5; i++) { register int x = base->H[i]; *digest++ = (x >> 24) & 0xff;