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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /security/nss/lib/freebl/gcm.h | |
parent | Initial commit. (diff) | |
download | firefox-esr-upstream.tar.xz firefox-esr-upstream.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'security/nss/lib/freebl/gcm.h')
-rw-r--r-- | security/nss/lib/freebl/gcm.h | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/security/nss/lib/freebl/gcm.h b/security/nss/lib/freebl/gcm.h new file mode 100644 index 0000000000..21792e0b35 --- /dev/null +++ b/security/nss/lib/freebl/gcm.h @@ -0,0 +1,125 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef GCM_H +#define GCM_H 1 + +#include "blapii.h" +#include "pkcs11t.h" +#include <stdint.h> + +#ifdef NSS_X86_OR_X64 +/* GCC <= 4.8 doesn't support including emmintrin.h without enabling SSE2 */ +#if !defined(__clang__) && defined(__GNUC__) && defined(__GNUC_MINOR__) && \ + (__GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ <= 8)) +#pragma GCC push_options +#pragma GCC target("sse2") +#undef NSS_DISABLE_SSE2 +#define NSS_DISABLE_SSE2 1 +#endif /* GCC <= 4.8 */ + +#include <emmintrin.h> /* __m128i */ + +#ifdef NSS_DISABLE_SSE2 +#undef NSS_DISABLE_SSE2 +#pragma GCC pop_options +#endif /* NSS_DISABLE_SSE2 */ +#endif + +#ifdef __aarch64__ +#include <arm_neon.h> +#endif + +#if defined(__powerpc64__) +#include "ppc-crypto.h" +#endif + +SEC_BEGIN_PROTOS + +#ifdef HAVE_INT128_SUPPORT +typedef unsigned __int128 uint128_t; +#endif + +typedef struct GCMContextStr GCMContext; + +/* + * The context argument is the inner cipher context to use with cipher. The + * GCMContext does not own context. context needs to remain valid for as long + * as the GCMContext is valid. + * + * The cipher argument is a block cipher in the ECB encrypt mode. + */ +GCMContext *GCM_CreateContext(void *context, freeblCipherFunc cipher, + const unsigned char *params); +void GCM_DestroyContext(GCMContext *gcm, PRBool freeit); +SECStatus GCM_EncryptUpdate(GCMContext *gcm, unsigned char *outbuf, + unsigned int *outlen, unsigned int maxout, + const unsigned char *inbuf, unsigned int inlen, + unsigned int blocksize); +SECStatus GCM_DecryptUpdate(GCMContext *gcm, unsigned char *outbuf, + unsigned int *outlen, unsigned int maxout, + const unsigned char *inbuf, unsigned int inlen, + unsigned int blocksize); +SECStatus GCM_EncryptAEAD(GCMContext *gcm, unsigned char *outbuf, + unsigned int *outlen, unsigned int maxout, + const unsigned char *inbuf, unsigned int inlen, + void *params, unsigned int paramLen, + const unsigned char *aad, unsigned int aadLen, + unsigned int blocksize); +SECStatus GCM_DecryptAEAD(GCMContext *gcm, unsigned char *outbuf, + unsigned int *outlen, unsigned int maxout, + const unsigned char *inbuf, unsigned int inlen, + void *params, unsigned int paramLen, + const unsigned char *aad, unsigned int aadLen, + unsigned int blocksize); + +/* These functions are here only so we can test them */ +#define GCM_HASH_LEN_LEN 8 /* gcm hash defines lengths to be 64 bits */ +typedef struct gcmHashContextStr gcmHashContext; +typedef SECStatus (*ghash_t)(gcmHashContext *, const unsigned char *, + unsigned int); +pre_align struct gcmHashContextStr { +#ifdef NSS_X86_OR_X64 + __m128i x, h; +#elif defined(__aarch64__) + uint64x2_t x, h; +#elif defined(USE_PPC_CRYPTO) + vec_u64 x, h; +#endif + uint64_t x_low, x_high, h_high, h_low; + unsigned char buffer[MAX_BLOCK_SIZE]; + unsigned int bufLen; + uint8_t counterBuf[16]; + uint64_t cLen; + ghash_t ghash_mul; + PRBool hw; + gcmHashContext *mem; +} post_align; + +typedef struct gcmIVContextStr gcmIVContext; +struct gcmIVContextStr { + PRUint64 counter; + PRUint64 max_count; + CK_GENERATOR_FUNCTION ivGen; + unsigned int fixedBits; + unsigned int ivLen; +}; + +SECStatus gcmHash_Update(gcmHashContext *ghash, const unsigned char *buf, + unsigned int len); +SECStatus gcmHash_InitContext(gcmHashContext *ghash, const unsigned char *H, + PRBool sw); +SECStatus gcmHash_Reset(gcmHashContext *ghash, const unsigned char *AAD, + unsigned int AADLen); +SECStatus gcmHash_Final(gcmHashContext *ghash, unsigned char *outbuf, + unsigned int *outlen, unsigned int maxout); + +void gcm_InitIVContext(gcmIVContext *gcmiv); +SECStatus gcm_GenerateIV(gcmIVContext *gcmIv, unsigned char *iv, + unsigned int ivLen, unsigned int fixedBits, + CK_GENERATOR_FUNCTION ivGen); + +SEC_END_PROTOS + +#endif |