Commit a28e4890 authored by Andy Polyakov's avatar Andy Polyakov Committed by Richard Levitte
Browse files

poly1305/asm/poly1305-ppc.pl: add vector base 2^26 implementation. 



Reviewed-by: default avatarMatt Caswell <matt@openssl.org>
Reviewed-by: default avatarRichard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/8120)
parent f8f3d624

crypto/poly1305/asm/poly1305-ppc.pl

+1442 −110

File changed.

Preview size limit exceeded, changes collapsed.

crypto/ppccap.c

+10 −1
Original line number Diff line number Diff line
@@ -116,10 +116,19 @@ void poly1305_blocks_fpu(void *ctx, const unsigned char *inp, size_t len, 
                         unsigned int padbit);

void poly1305_emit_fpu(void *ctx, unsigned char mac[16],

                       const unsigned int nonce[4]);

void poly1305_init_vsx(void *ctx, const unsigned char key[16]);

void poly1305_blocks_vsx(void *ctx, const unsigned char *inp, size_t len,

                         unsigned int padbit);

void poly1305_emit_vsx(void *ctx, unsigned char mac[16],

                       const unsigned int nonce[4]);

int poly1305_init(void *ctx, const unsigned char key[16], void *func[2]);

int poly1305_init(void *ctx, const unsigned char key[16], void *func[2])

{

    if (sizeof(size_t) == 4 && (OPENSSL_ppccap_P & PPC_FPU)) {

    if (OPENSSL_ppccap_P & PPC_CRYPTO207) {

        poly1305_init_int(ctx, key);

        func[0] = (void*)(uintptr_t)poly1305_blocks_vsx;

        func[1] = (void*)(uintptr_t)poly1305_emit;

    } else if (sizeof(size_t) == 4 && (OPENSSL_ppccap_P & PPC_FPU)) {

        poly1305_init_fpu(ctx, key);

        func[0] = (void*)(uintptr_t)poly1305_blocks_fpu;

        func[1] = (void*)(uintptr_t)poly1305_emit_fpu;