sha1_int.h File Reference

#include "common/sha1.h"

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Data Structures
struct	pg_sha1_ctx

Functions
void	pg_sha1_init (pg_sha1_ctx *ctx)
void	pg_sha1_update (pg_sha1_ctx *ctx, const uint8 *data, size_t len)
void	pg_sha1_final (pg_sha1_ctx *ctx, uint8 *dest)

Function Documentation

pg_sha1_final()

void pg_sha1_final	(	pg_sha1_ctx *	ctx,
		uint8 *	dest
	)

Definition at line 365 of file sha1.c.

{
    sha1_pad(ctx);
    sha1_result(dest, ctx);
}

References generate_unaccent_rules::dest, sha1_pad(), and sha1_result().

Referenced by pg_cryptohash_final().

pg_sha1_init()

void pg_sha1_init

(

pg_sha1_ctx *

ctx

)

Definition at line 316 of file sha1.c.

{
    memset(ctx, 0, sizeof(pg_sha1_ctx));
    H(0) = 0x67452301;
    H(1) = 0xefcdab89;
    H(2) = 0x98badcfe;
    H(3) = 0x10325476;
    H(4) = 0xc3d2e1f0;
}

References H.

Referenced by pg_cryptohash_init().

pg_sha1_update()

void pg_sha1_update	(	pg_sha1_ctx *	ctx,
		const uint8 *	data,
		size_t	len
	)

Definition at line 332 of file sha1.c.

{
    const uint8 *input;
    size_t      gaplen;
    size_t      gapstart;
    size_t      off;
    size_t      copysiz;
 
    input = (const uint8 *) data;
    off = 0;
 
    while (off < len)
    {
        gapstart = COUNT % 64;
        gaplen = 64 - gapstart;
 
        copysiz = (gaplen < len - off) ? gaplen : len - off;
        memmove(&ctx->m.b8[gapstart], &input[off], copysiz);
        COUNT += copysiz;
        COUNT %= 64;
        ctx->c.b64[0] += copysiz * 8;
        if (COUNT % 64 == 0)
            sha1_step(ctx);
        off += copysiz;
    }
}

References pg_sha1_ctx::b64, pg_sha1_ctx::b8, pg_sha1_ctx::c, COUNT, data, input, len, pg_sha1_ctx::m, and sha1_step().

Referenced by pg_cryptohash_update().